AddAir quality in Williamstown
Air quality index (AQI⁺) and PM2.5 air pollution in Williamstown • 18 Followers • 02:00, May 22
44*
US AQI⁺Good
Main pollutant:
PM2.5
8 µg/m³
15°
11 km/h
82 %
Hourly forecast
Williamstown air quality index (AQI⁺) forecast
Daily forecast
Williamstown air quality index (AQI⁺) forecast
| Today | 50 |  90% | 19° 14° |  15 km/h | 95% |
| Sat | 57 |  | 23° 19° | 17 km/h | 94% |
| Sun | 57 | 90% | 23° 18° | 10 km/h | 93% |
Air pollutants
What is the current air quality in Williamstown?
PM2.5 concentration is currently 1.6 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 Williamstown
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 Williamstown today?
Index
High
 Tree Low | 25% |
 Grass High | 75% |
 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
High
Tree Low | 25% |
Grass High | 75% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in Williamstown
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 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
