AddAir quality in Williamstown
Air quality index (AQI⁺) and PM2.5 air pollution in Williamstown • 18 Followers • 08:00, Apr 18 Local time
22*
US AQI⁺Good
Main pollutant:
PM2.5
4.1 µg/m³
21°
18 km/h
75 %
Hourly forecast
Williamstown air quality index (AQI⁺) forecast
Daily forecast
Williamstown air quality index (AQI⁺) forecast
| Today | 34 | | 23° 8° |  29 km/h | 81% |
| Sun | 12 |  | 15° 3° | 25 km/h | 48% |
| Mon | 17 | | 14° 3° | 10 km/h | 49% |
Air pollutants
What is the current air quality in Williamstown?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in Williamstown today?
Index
Moderate
 Tree Low | 25% |
 Grass Moderate | 50% |
 Weed Low | 25% |
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 Williamstown today?
Index
Moderate
Tree Low | 25% |
Grass Moderate | 50% |
Weed Low | 25% |
Source:
wetter.comMost polluted locations near Williamstown
Worldwide AQI⁺ ranking
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near Williamstown
History
Historic air quality graph for Williamstown
Historic air quality near Williamstown
History
Historic air quality graph for Williamstown
Most polluted locations near Williamstown
Worldwide AQI⁺ rankingCity ranking
