AddAir quality in Williamson County
Air quality index (AQI⁺) and PM2.5 air pollution in Williamson County • 09:00, Jul 21 Local time
38
US AQI⁺Good
Main pollutant:
PM2.5
6.8 µg/m³
28°
8 km/h
75 %
Hourly forecast
Williamson County air quality index (AQI⁺) forecast
Daily forecast
Williamson County air quality index (AQI⁺) forecast
| Today | 47 | | 38° 23° |  10 km/h | 53% |
| Wed | 66 | | 40° 25° | 19 km/h | 43% |
| Thu | 63 |  | 40° 26° | 21 km/h | 46% |
Air pollutants
What is the current air quality in Williamson County?
PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Williamson County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Williamson County today?
Index
Moderate
 Tree None | 0% |
 Grass Moderate | 50% |
 Weed None | 0% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Williamson County today?
Index
Moderate
Tree None | 0% |
Grass Moderate | 50% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Williamson County
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near Williamson County
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Williamson County
Historic air quality near Williamson County
History
Historic air quality graph for Williamson County
Historic air quality near Williamson County
History
Historic air quality graph for Williamson County
Most polluted locations near Williamson County
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Williamson County
Measure your own air quality
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