AddAir quality in Waltham
Air quality index (AQI⁺) and PM2.5 air pollution in Waltham • 1 Follower • 20:00, Sep 24 Local time
59*
US AQI⁺Moderate
Main pollutant:
PM2.5
13.3 µg/m³
29°
26 km/h
81 %
Hourly forecast
Waltham air quality index (AQI⁺) forecast
Daily forecast
Waltham air quality index (AQI⁺) forecast
| Today | 55 |  | 29° 29° |  32 km/h | 79% |
| Fri | 15 |  | 30° 28° | 32 km/h | 75% |
| Sat | 29 | | 29° 28° | 28 km/h | 79% |
Air pollutants
What is the current air quality in Waltham?
PM2.5 concentration is currently 2.7 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Sensitive groups should reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Sensitive groups should run an air purifier Get an air purifier |
Protect yourself from air pollution in Waltham
Air Purifiers
Face Masks
Air Quality Monitors
Health recommendations
Sensitive groups should reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Sensitive groups should run an air purifier Get an air purifier |
Protect yourself from air pollution in Waltham
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near Waltham
Worldwide AQI⁺ ranking
Historic air quality near Waltham
History
Historic air quality graph for Waltham
Historic air quality near Waltham
History
Historic air quality graph for Waltham
Most polluted locations near Waltham
Worldwide AQI⁺ ranking
