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Air quality in California
Air quality index (AQI) and PM2.5 air pollution in California
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California Air Quality Map
Real-time California air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in California today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in California?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 92% |
| Wind | 4.1 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Omaha, Nebraska | 120 |
| 2 | Emmetsburg, Iowa | 116 |
| 3 | Carter Lake, Iowa | 99 |
| 4 | Decorah, Iowa | 90 |
| 5 | Edmond, Oklahoma | 87 |
| 6 | Rochester, Minnesota | 87 |
| 7 | Sparta, Wisconsin | 86 |
| 8 | Fort Thompson, South Dakota | 85 |
| 9 | Oklahoma City, Oklahoma | 84 |
| 10 | Wichita, Kansas | 83 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
43*
live AQI index
Good
Overview
What is the current air quality in California?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 43* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.8*µg/m³ | |
!
PM2.5
x1.6
PM2.5 concentration in California is currently 1.6 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in California?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
California air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 43 AQI US |  100% | 68° 53.6° |  8.9 mp/h |
| Wednesday, May 15 | Good 49 AQI US |  | 75.2° 51.8° | 4.5 mp/h |
| Thursday, May 16 | Moderate 59 AQI US  | 100% | 71.6° 57.2° | 6.7 mp/h |
| Friday, May 17 | Moderate 53 AQI US | 100% | 71.6° 60.8° | 4.5 mp/h |
| Saturday, May 18 | Moderate 65 AQI US | 100% | 62.6° 57.2° | 4.5 mp/h |
| Sunday, May 19 | Moderate 70 AQI US | 60% | 64.4° 57.2° | 6.7 mp/h |
| Monday, May 20 | Moderate 79 AQI US | 30% | 71.6° 55.4° | 4.5 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in California?
No locations are available.
AQI US, Metric