AddAir quality in Waltham
Air quality index (AQI⁺) and PM2.5 air pollution in Waltham • 1 Follower • 04:00, Jul 25 Local time
12
US AQI⁺Good
Main pollutant:
PM2.5
2.2 µg/m³
27°
23 km/h
82 %
Hourly forecast
Waltham air quality index (AQI⁺) forecast
Daily forecast
|
Waltham air quality index (AQI⁺) forecast
| Today | 30 |  | 28° 27° |  28 km/h | 81% |
| Sun | 55 | | 28° 27° | 26 km/h | 80% |
| Mon | 49 | | 28° 27° | 26 km/h | 82% |
Air pollutants
What is the current air quality in Waltham?
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 |
Protect yourself from air pollution in Waltham
Protect yourself from air pollution in Waltham
Air Purifiers
Face Masks
Air Quality Monitors
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Waltham
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
12 AQI⁺ US
Good
03:00–04:00 Jul 25 Local time
AQI⁺ US
Historic air quality near Waltham
History
Historic air quality graph for Waltham
12 AQI⁺ US
Good
03:00–04:00 Jul 25 Local time
AQI⁺ US
Most polluted locations near Waltham
Worldwide AQI⁺ ranking
Measure your own air quality
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