Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Walden
Air quality index (AQI) and PM2.5 air pollution in Walden
13 people follow this city
Walden Air Quality Map
Real-time Walden air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Walden today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Walden?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 78% |
| Wind | 9.2 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Maricopa, Arizona | 90 |
| 2 | Chandler, Arizona | 85 |
| 3 | Phoenix, Arizona | 83 |
| 4 | Georgetown, Texas | 82 |
| 5 | Yosemite Np Turtleback Dome, California | 81 |
| 6 | San Antonio, Texas | 78 |
| 7 | Corpus Christi, Texas | 76 |
| 8 | Austin, Texas | 74 |
| 9 | Leander, Texas | 74 |
| 10 | Round Rock, Texas | 74 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
54*
live AQI index
Moderate
Overview
What is the current air quality in Walden?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.6*µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in Walden is currently 2.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Walden?
 | 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 |
Forecast
Walden air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 54 AQI US |  | 69.8° 55.4° |  13.4 mp/h |
| Sunday, Apr 28 | Good 46 AQI US  | | 77° 55.4° | 11.2 mp/h |
| Monday, Apr 29 | Good 46 AQI US | | 77° 51.8° | 8.9 mp/h |
| Tuesday, Apr 30 | Moderate 56 AQI US |  100% | 78.8° 57.2° | 4.5 mp/h |
| Wednesday, May 1 | Moderate 68 AQI US | 60% | 80.6° 55.4° | 2.2 mp/h |
| Thursday, May 2 | Moderate 78 AQI US | 80% | 77° 59° | 6.7 mp/h |
| Friday, May 3 | Moderate 71 AQI US | 100% | 77° 59° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Walden?
No locations are available.
AQI US, Metric