Tree pollen count houston

Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.

Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.No Flu Data Available. May 3, 2024. Pollen and Air Quality forecast for Houston, TX with air quality index, pollutants, pollen count and pollution map from Weather Underground.Get 5 Day Allergy Forecast for Houston, TX (77002). See important allergy and weather information to help you plan ahead.Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.comCedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.

Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.comMar 22, 2024 · Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. Jamestown, NY. Detroit, MI. Toledo, OH. Get 5 Day Allergy Forecast for Houston, TX (77069). See important allergy and weather information to help you plan ahead.Falling within the humid subtropical climate zone, Houston experiences distinct pollen seasons influenced by its geographical location.The pollen count in Houston follows a yearly pattern. Spring (March to May) brings tree pollens such as oak, cedar, pine, ash, and pecan, which trigger allergies. Summer (June to August) sees grass pollens ...Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.1-4 pollen per cubic meter of air or less = Low. 5 to 19 = Medium. 20 to 199 = Heavy. Greater than 200 = Extremely Heavy. Tree pollen is measured during the tree pollen season of mid-January through mid-April. Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory.Check out the pollen forecast in Houston for the next few days. When pollen counts are low in Space City, bicycling, canoeing or kayaking in Buffalo Bayou Park can feel out of this world. If pollen counts are high, pack Kleenex® On-the-Go tissues, so you can stay prepared for allergies, wherever you are. If you see yellow dust on your patio ...All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. 13000 to 49999 = Heavy.

The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day. It is located on the roof of the laboratory. The following ranges are based on the data reported by all counting stations for weeds, grasses, trees and mold according to the National Allergy Bureau . Weed pollen is measured per cubic meter of air.2 of 2 | . FILE - Tree pollen pods lay in a pile at a park in the Dallas suburb of Richardson, Texas, Thursday, March 21, 2024. The Asthma and Allergy Foundation of …What Is a Tree Pollen Allergy? Tree pollen is the cause of most spring pollen allergy symptoms. Tree pollen allergy causes seasonal allergic rhinitis. (Some people call this “hay fever.”) Pollen from weeds and grasses also trigger allergic rhinitis. Tree pollen season also often overlaps with grass pollen in the late spring and summer.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. 13000 to 49999 = Heavy.Louisville, KY. Columbus, OH. Cincinnati, OH. Lexington, KY. Get Current Allergy Report for Houston, TX (77056). See important allergy and weather information to help you plan ahead.

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Published: 6:46 AM CST January 5, 2023. Updated: 7:12 AM CST January 5, 2023. HOUSTON — It's called "cedar fever" and it has made its way to Houston to begin 2023. The cedar pollen count was ...Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.The following ranges are based on the data reported by all counting stations for weeds, grasses, trees and mold according to the National Allergy Bureau . Weed pollen is measured per cubic meter of air. 1-9 pollen per cubic meter of air or less = Low. 10 to 49 = Medium. 50 to 499 = Heavy.Louisville, KY. Columbus, OH. Cincinnati, OH. Lexington, KY. Get Current Allergy Report for Houston, TX (77056). See important allergy and weather information to help you plan ahead.

Falling within the humid subtropical climate zone, Houston experiences distinct pollen seasons influenced by its geographical location.The pollen count in Houston follows a yearly pattern. Spring (March to May) brings tree pollens such as oak, cedar, pine, ash, and pecan, which trigger allergies. Summer (June to August) sees grass pollens ...Chita said the oak levels in the tree pollen count category are more than 1,800 when they are typically in the 100s. RELATED: Houston forecast: Tree pollen count reaches extreme levels.Houston air quality forecast: A look at tree pollen counts, mold spores and more. By Sonia Garcia Updated March 3, 2023 10:20 a.m. Clumps of catkins from the oak trees that line the trail fill the ...3 days ago · Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.com Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.See it before you breathe it. Allergy season is rough, but our forecast, featuring each category of pollen producer, is here to show you when pollen levels are high! Quickly visualize today's local pollen, mold, and air quality levels near you to help manage your symptoms and avoid hay fever.No Flu Data Available. May 3, 2024. Pollen and Air Quality forecast for Houston, TX with air quality index, pollutants, pollen count and pollution map from Weather Underground.Nov 29, 2023 · Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.

Chita said the oak levels in the tree pollen count category are more than 1,800 when they are typically in the 100s. RELATED: Houston forecast: Tree pollen count reaches extreme levels Pollen is ...

I've had my first taste of elite status, and I can see why people go to such great lengths to reach those top tiers. And now, it seems, I can count myself among them. I am writing ...Houston Small Business Expo will help you connect and network with 1,000 business owners to help you grow and improve your small business. Connecting or networking with other entre...Answer: The Houston Health Department is currently reporting extremely heavy counts of tree pollen. According to an allergy guide by Zyrtec, tree pollen tends to be high from March-May, before ...Dec 11, 2023 · Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. Apr 28, 2024 · Louisville, KY. Columbus, OH. Cincinnati, OH. Lexington, KY. Get Current Allergy Report for Houston, TX (77056). See important allergy and weather information to help you plan ahead. Don't miss Houston Small Business Expo 2023 for a chance to network, meet, and learn from small business owners and exhibitors. Don’t miss Houston Small Business Expo 2023 for a ch...Tuesday’s pollen count: Tree pollen is high. Our highest count comes from birch, cedar, ash and oak trees. We are also seeing some pollen from hackberry, mulberry, pine, cottonwood, willow and ...

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4 days ago · Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.com Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day. It is located on the roof of the laboratory. The following ranges are based on the data reported by all counting stations for weeds, grasses, trees and mold according to the National Allergy Bureau . Weed pollen is measured per cubic meter of air.Houston, TX, United States Weather. 30. Today. Hourly. 10 Day. Radar. Today's Pollen Count. The pollen count is a measure of the pollen density in the air. ... Tree Pollen. Today: Moderate;4 days ago · Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.com Web app displaying pollen and mold count forecast data, anywhere in North America and Europe. Houston Pollen Count Forecast Get local allergy forecasts for grass pollen, ragweed pollen, tree pollen, mold count and air quality index for Houston, TX.Local pollen and mold counts help people manage their allergies by providing information about adverse conditions that might cause an allergic reaction, according to the Asthma and...The Houston Health Department laboratory uses an instrument called the Burkard Spore Trap to measure air samples in order to provide a daily report and recorded message for the pollen and mold spore count within the area. The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day.Daily counts. Click or tap a link below for that day's count. Houston Pollen and Mold Count - Wednesday, May 1, 2024. Houston Pollen and Mold Count - Tuesday, April 30, 2024. Houston Pollen and Mold Count - Monday, April 29, 2024. Houston Pollen and Mold Count – Friday, April 26, 2024. See moreCedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. ….

Mar 7, 2024 · Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. The top tree pollen offender was oak, with a pollen count of more than 400 grains per cubic meter of air. All of the tree pollen counts combined total more than 1,000 grains per cubic meter of air ...The Houston Health Department laboratory uses an instrument called the Burkard Spore Trap to measure air samples in order to provide a daily report and recorded message for the pollen and mold spore count within the area. The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day.20 to 199 = Heavy. Greater than 200 = Extremely Heavy. Tree pollen is measured during the tree pollen season of mid-January through mid-April. Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium.Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. Tree pollen count houston, Recorded message: 713-247-5846 Air quality info: 832-393-5612 Phone: 832-393-3920 Email. Pollen and mold spore counts are made available Monday through Friday, except for City of Houston holidays ., Mar 4, 2024 · Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. , 20 to 199 = Heavy. Greater than 200 = Extremely Heavy. Tree pollen is measured during the tree pollen season of mid-January through mid-April. Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium., All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. 13000 to 49999 = Heavy., In Houston, you’ll want to keep an eye on pollen counts in December, January, May, and September. These months are when seasonal allergies are typically at their peak. During these months, try limiting your time outdoors or going out in the evening when pollen counts tend to be lower in Houston. If you have seasonal allergies and are ..., Daily counts. Click or tap a link below for that day's count. Houston Pollen and Mold Count - Wednesday, May 1, 2024. Houston Pollen and Mold Count - Tuesday, April 30, 2024. Houston Pollen and Mold Count - Monday, April 29, 2024. Houston Pollen and Mold Count – Friday, April 26, 2024. See more, Southwest Airlines is on a tear adding new airports to its route map with Chicago O'Hare and Houston Bush Intercontinental due to join next year. Southwest Airlines is on a tear ad..., Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium., Web app displaying pollen and mold count forecast data, anywhere in North America and Europe. Houston Pollen Count Forecast Get local allergy forecasts for grass pollen, ragweed pollen, tree pollen, mold count and air quality index for Houston, TX. , Hertz aims to add EVs to Houston fleet and support bp's installation of a publicly accessible EV fast-charging hub at the Hertz location at Housto... Hertz aims to add EVs to Houst..., Mar 8, 2024 · The pollen count has been high in Houston for the last few weeks. The most prevalent pollen right now is tree pollen, which was marked as heavy with a count of 1,401 per cubic meter of air on the ... , Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium., Atlantic City, NJ. Concordia, KS. Dover, DE. Grand Island, NE. Get Current Allergy Report for Houston, TX (77001). See important allergy and weather information to help you plan ahead., Nov 29, 2023 · Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium. , The Houston Health Department laboratory uses an instrument called the Burkard Spore Trap to measure air samples in order to provide a daily report and recorded message for the pollen and mold spore count within the area. The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day., The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day. It is located on the roof of the laboratory. The following ranges are based on the data reported by all counting stations for weeds, grasses, trees and mold according to the National Allergy Bureau . Weed pollen is measured per cubic meter of air., Southwest Airlines is on a tear adding new airports to its route map with Chicago O'Hare and Houston Bush Intercontinental due to join next year. Southwest Airlines is on a tear ad..., The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day. It is located on the roof of the laboratory. The following ranges are based on the data reported by all counting stations for weeds, grasses, trees and mold according to the National Allergy Bureau . Weed pollen is measured per cubic meter of air., Web app displaying pollen and mold count forecast data, anywhere in North America and Europe. Houston Pollen Count Forecast Get local allergy forecasts for grass pollen, ragweed pollen, tree pollen, mold count and air quality index for Houston, TX. , Answer: The Houston Health Department is currently reporting extremely heavy counts of tree pollen. According to an allergy guide by Zyrtec, tree pollen tends to be high from March-May, before ..., Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium., Houston Matters Houston seasonal allergies are at an all-time high, but so are indoor allergies. Expert gives tips on treating them. Overall the tree pollen count is over 2,500 per cubic meters of ..., RealFeel® High 72°. Safety Tips. During peak season for tree pollen, keep your windows and doors closed, especially on windy days. Avoid outdoor activities in the early morning, and be sure to... , • 11h. If you're dealing with allergy symptoms due to pollen right now, you're not alone. The pollen count has been high in Houston for the last few weeks. The most prevalent …, Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.com, The Houston Health Department laboratory uses an instrument called the Burkard Spore Trap to measure air samples in order to provide a daily report and recorded message for the pollen and mold spore count within the area. The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day., RealFeel® High 72°. Safety Tips. During peak season for tree pollen, keep your windows and doors closed, especially on windy days. Avoid outdoor activities in the early morning, and be sure to... , Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium., Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium., The Houston Health Department laboratory uses an instrument called the Burkard Spore Trap to measure air samples in order to provide a daily report and recorded message for the pollen and mold spore count within the area. The Burkard Spore Trap collects pollen and mold spores 10 liters/ min, 24 hours a day., Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = Medium. 90 to 1499 = Heavy. Greater than 1500 = Extremely Heavy. Mold spores are measured per cubic meter of air. 1 to 6499 = Low. 6500 to 12999 = Medium., 3 days ago · Allergy Tracker gives pollen forecast, mold count, information and forecasts using weather conditions historical data and research from weather.com , 5 to 19 = Medium. 20 to 199 = Heavy. Greater than 200 = Extremely Heavy. Tree pollen is measured during the tree pollen season of mid-January through mid-April. Cedar Elm tree pollen is measured in September and October. All tree pollen types are reported by HDHHS laboratory. 1 to 14 pollen per cubic meter of air = Low. 15 to 89 = …