AddAir quality in Walden
Air quality index (AQI⁺) and PM2.5 air pollution in Walden • 1.1K Followers • 21:00, Sep 21 Local time
11*
US AQI⁺Good
Main pollutant:
PM2.5
1.9 µg/m³
10°
8 km/h
52 %
Hourly forecast
Walden air quality index (AQI⁺) forecast
Daily forecast
Walden air quality index (AQI⁺) forecast
| Today | 9 |  | 21° 5° |  18 km/h | 42% |
| Tue | 8 |  | 19° 8° | 19 km/h | 56% |
| Wed | 9 | | 20° 6° | 11 km/h | 38% |
Air pollutants
What is the current air quality in Walden?
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 Walden
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.
Filtration for air conditioners
A cut-to-fit filtration for air conditioning systems, LifeShield Lite helps reduce dust in the air conditioner while capturing indoor air pollutants.
Sustainable, smart air purifiers
Elegantly designed using sustainably sourced beech wood, the Atem Earth delivers medical-grade filtration by capturing ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in Walden today?
Index
Moderate
 Tree None | 0% |
 Grass None | 0% |
 Weed Moderate | 50% |
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 Walden today?
Index
Moderate
Tree None | 0% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in Walden
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.
Filtration for air conditioners
A cut-to-fit filtration for air conditioning systems, LifeShield Lite helps reduce dust in the air conditioner while capturing indoor air pollutants.
Sustainable, smart air purifiers
Elegantly designed using sustainably sourced beech wood, the Atem Earth delivers medical-grade filtration by capturing ultrafine particles with HyperHEPA technology.
Most polluted locations near Walden
Worldwide AQI⁺ ranking
Historic air quality near Walden
History
Historic air quality graph for Walden
Historic air quality near Walden
History
Historic air quality graph for Walden
Most polluted locations near Walden
Worldwide AQI⁺ ranking
