{"location":"Houston area (regional count, applies to Crosby, TX)","source":"Houston Health Department pollen and mold count (houstonhealth.org)","measured":true,"stationNote":"Measured by the Houston Health Department laboratory, a National Allergy Bureau counting station. Counts publish weekday mornings; units are grains (spores) per cubic meter of air.","updated":"2026-09-18T14:30:32.141Z","countDate":"2026-09-18","officialUrl":"https://www.houstonhealth.org/services/pollen-mold/houston-pollen-mold-count-friday-september-18-2026","groups":{"tree":{"category":"None","count":0},"weed":{"category":"Heavy","count":64},"grass":{"category":"Medium","count":8},"mold":{"category":"Medium","count":6870}},"species":{"tree":[],"weed":[{"name":"Ambrosia (Ragweed)","count":44},{"name":"Urticaceae (Nettle)","count":16},{"name":"Other weed pollen","count":4}],"mold":[{"name":"Ascospores","count":3566},{"name":"Cladosporium","count":2430},{"name":"Penicillium/Aspergillus","count":279},{"name":"Basidiospores","count":206},{"name":"Cercospora","count":123},{"name":"Smuts/Myxomycetes","count":74},{"name":"Curvularia","count":64},{"name":"Nigrospora","count":54}]}}