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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in California?
| Weather | Clear sky |
| Temperature | 69.8°F |
| Humidity | 55% |
| Wind | 4 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Georgetown, Texas | 114 |
| 2 | New Braunfels, Texas | 105 |
| 3 | Round Rock, Texas | 105 |
| 4 | Leander, Texas | 104 |
| 5 | Cedar Park, Texas | 103 |
| 6 | Boerne, Texas | 100 |
| 7 | La Habra, California | 97 |
| 8 | Austin, Texas | 96 |
| 9 | San Antonio, Texas | 95 |
| 10 | Claremont, California | 87 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
26*
live AQI index
Good
Overview
What is the current air quality in California?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 26* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.7*µg/m³ | |
✓
PM2.5 concentration in California air currently meets 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 26 AQI US | | 73.4° 55.4° |  11.2 mp/h |
| Wednesday, May 29 | Good 28 AQI US |  | 68° 51.8° | 6.7 mp/h |
| Thursday, May 30 | Good 26 AQI US | | 71.6° 48.2° | 11.2 mp/h |
| Friday, May 31 | Good 39 AQI US | | 71.6° 53.6° | 11.2 mp/h |
| Saturday, Jun 1 | Moderate 63 AQI US  |  100% | 69.8° 60.8° | 13.4 mp/h |
| Sunday, Jun 2 | Moderate 64 AQI US | 100% | 75.2° 57.2° | 8.9 mp/h |
| Monday, Jun 3 | Moderate 61 AQI US | 100% | 75.2° 60.8° | 13.4 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 California?
No locations are available.
AQI US, Metric