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 Westby
Air quality index (AQI) and PM2.5 air pollution in Westby
30 people follow this city
Westby Air Quality Map
Real-time Westby air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Westby today?
 | Index | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Westby?
| Weather | Scattered clouds |
| Temperature | 42.8°F |
| Humidity | 42% |
| Wind | 20.7 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | San Bernardino, California | 90 |
| 2 | Casa Grande, Arizona | 80 |
| 3 | Fontana, California | 79 |
| 4 | San Fernando, California | 79 |
| 5 | Riverside, California | 76 |
| 6 | The Woodlands, Texas | 76 |
| 7 | Visalia, California | 76 |
| 8 | Corpus Christi, Texas | 74 |
| 9 | Van Nuys, California | 73 |
| 10 | El Centro, California | 72 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
10*
live AQI index
Good
Overview
What is the current air quality in Westby?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 10* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.4*µg/m³ | |
✓
PM2.5 concentration in Westby air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Westby?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Westby air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 10 AQI US | | 42.8° 30.2° |  20.1 mp/h |
| Saturday, Apr 20 | Good 4 AQI US | | 42.8° 30.2° | 13.4 mp/h |
| Sunday, Apr 21 | Good 16 AQI US |  | 53.6° 30.2° | 11.2 mp/h |
| Monday, Apr 22 | Good 18 AQI US |  100% | 55.4° 35.6° | 15.7 mp/h |
| Tuesday, Apr 23 | Good 13 AQI US | 80% | 51.8° 35.6° | 15.7 mp/h |
| Wednesday, Apr 24 | Good 4 AQI US | | 48.2° 26.6° | 6.7 mp/h |
| Thursday, Apr 25 | Good 4 AQI US | | 50° 26.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Westby?
No locations are available.
AQI US, Metric