AddAir quality in Waltham
Air quality index (AQI⁺) and PM2.5 air pollution in Waltham • 9.2K Followers • 19:00, May 28
21
US AQI⁺Good
Main pollutant:
PM2.5
3.7 µg/m³
19°
19 km/h
52 %
Hourly forecast
Waltham air quality index (AQI⁺) forecast
Daily forecast
Waltham air quality index (AQI⁺) forecast
| Today | 26 |  | 22° 16° |  20 km/h | 60% |
| Thu | 22 | | 22° 12° | 18 km/h | 53% |
| Fri | 26 |  90% | 10° 7° | 33 km/h | 83% |
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
Air Purifiers
Face Masks
Air Quality Monitors
Pollen
What is the pollen count in Waltham today?
Index
Low
 Tree Low | 25% |
 Grass Low | 25% |
 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 Waltham today?
Index
Low
Tree Low | 25% |
Grass Low | 25% |
Weed None | 0% |
Source:
wetter.comProtect yourself from air pollution in Waltham
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near Waltham
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in Waltham
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⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in Waltham
Measure your own air quality
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