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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 | 75.2°F |
| Humidity | 85% |
| Wind | 3.9 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Nipomo, California | 92 |
| 2 | Corpus Christi, Texas | 67 |
| 3 | The Woodlands, Texas | 63 |
| 4 | Galveston, Texas | 55 |
| 5 | Fairmount Heights, Maryland | 54 |
| 6 | Austin, Texas | 53 |
| 7 | Canton, New York | 53 |
| 8 | Johnson City, Tennessee | 53 |
| 9 | Kingston, New York | 53 |
| 10 | North Hollywood, California | 53 |
(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 California?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 54* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.4*µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in California is currently 2.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in California?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
California air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, Apr 27 | Moderate 54 AQI US |  100% | 77° 57.2° |  8.9 mp/h |
| Today | Moderate 54 AQI US |  | 78.8° 57.2° | 6.7 mp/h |
| Monday, Apr 29 | Good 44 AQI US  | 100% | 71.6° 57.2° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 47 AQI US | | 71.6° 50° | 6.7 mp/h |
| Wednesday, May 1 | Moderate 52 AQI US |  | 78.8° 53.6° | 4.5 mp/h |
| Thursday, May 2 | Moderate 75 AQI US | 80% | 82.4° 57.2° | 4.5 mp/h |
| Friday, May 3 | Moderate 71 AQI US | 100% | 69.8° 51.8° | 8.9 mp/h |
| Saturday, May 4 | Moderate 61 AQI US | | 69.8° 46.4° | 2.2 mp/h |
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Where is the cleanest air quality in California?
No locations are available.
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AQI US, Metric