Air quality in California

Air quality index (AQI) and PM2.5 air pollution in California

Last update at (local time)

LIVE AQI CITY RANKING

Real-time California
Most polluted city ranking

#cityUS AQI
1The national flag of International Lemoore Station

225

2The national flag of International Salton City

186

3The national flag of International La Jolla

162

4The national flag of International Rancho Santa Margarita

127

5The national flag of International Bodfish

123

6The national flag of International Thermal

93

7The national flag of International La Mesa

92

8The national flag of International Glen Avon

86

9The national flag of International Elverta

82

10The national flag of International Rio Vista

80

(local time)

SEE WORLD AQI RANKING

AIR QUALITY DATA CONTRIBUTORS

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LIVE AQI CITY RANKING

Real-time California
Cleanest city ranking

#cityUS AQI
1The national flag of International Avila Beach

0

2The national flag of International Port Hueneme

1

3The national flag of International Guadalupe

6

4The national flag of International Myrtletown

6

5The national flag of International Santa Ynez

6

6The national flag of International Tamalpais Valley

6

7The national flag of International Bayside

7

8The national flag of International Bodega Bay

7

9The national flag of International Scotia

7

10The national flag of International Arcata

8

(local time)

SEE WORLD AQI RANKING

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California air quality data attribution

5200Contributors

Which is the most polluted city in California?