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Air quality in Colfax
Air quality index (AQI) and PM2.5 air pollution in Colfax
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Colfax Air Quality Map
Real-time Colfax air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Colfax today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Colfax?
| Weather | Clear sky |
| Temperature | 66.2°F |
| Humidity | 45% |
| Wind | 4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  La Habra, California | 91 |
| 2 | San Bernardino, California | 90 |
| 3 | Claremont, California | 88 |
| 4 | Downey, California | 86 |
| 5 | Fontana, California | 84 |
| 6 | Maricopa, Arizona | 81 |
| 7 | Pomona, California | 80 |
| 8 | San Gabriel, California | 79 |
| 9 | Monterey Park, California | 77 |
| 10 | Redlands, California | 77 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
24*
live AQI index
Good
Overview
What is the current air quality in Colfax?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 24* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.3*µg/m³ | |
✓
PM2.5 concentration in Colfax air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Colfax?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Colfax air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 24 AQI US |  80% | 68° 50° |  15.7 mp/h |
| Sunday, May 12 | Good 24 AQI US |  | 75.2° 53.6° | 13.4 mp/h |
| Monday, May 13 | Good 42 AQI US | 100% | 62.6° 59° | 13.4 mp/h |
| Tuesday, May 14 | Moderate 57 AQI US  | 90% | 59° 51.8° | 13.4 mp/h |
| Wednesday, May 15 | Good 13 AQI US | | 69.8° 48.2° | 11.2 mp/h |
| Thursday, May 16 | Good 16 AQI US | 30% | 71.6° 53.6° | 11.2 mp/h |
| Friday, May 17 | Moderate 64 AQI US | 100% | 75.2° 59° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Colfax?
No locations are available.
AQI US, Metric