California
417 monitoring stations · readings from 17 to 86
Average AQI
Air quality in California
Air quality in California is currently 46 on the AQI scale, which falls in the Good band. That number is the average across every monitoring station reporting in California right now.
We aggregate 417 stations across California. Individual stations range from 17 at the cleanest to 86 at the worst, so conditions vary across California — the local figure matters more than the average.
California breaks down into 233 cities you can open individually. Of those listed below, Yreka is reading highest at 79 and Beaumont lowest at 17.
Readings refresh hourly from the official monitoring networks we track. Conditions can still change quickly, so check back before planning time outdoors.
What to do at good levels
Outdoor activity
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside.
Sensitive groups
Children, older adults and people with asthma or heart conditions can go about their day as normal.
Indoor air
Open the windows. Outdoor air is currently cleaner than typical indoor air, so ventilating helps.
Cities in California
233 cities
79Yreka
Moderate
- Stations
- 4
- Range
- 75–86
66Chula Vista
Moderate
- Stations
- 2
- Range
- 60–71
Weaverville
Moderate
- Stations
- 1
- Range
- 65–65
63Brawley
Moderate
- Stations
- 2
- Range
- 63–63
63Calexico
Moderate
- Stations
- 2
- Range
- 63–63
El Centro
Moderate
- Stations
- 1
- Range
- 63–63
Westmorland
Moderate
- Stations
- 1
- Range
- 63–63
62Alpine
Moderate
- Stations
- 2
- Range
- 60–63
61Calipatria
Moderate
- Stations
- 3
- Range
- 60–63
Blythe
Moderate
- Stations
- 1
- Range
- 60–60
Mount Shasta
Moderate
- Stations
- 1
- Range
- 60–60
North Shore
Moderate
- Stations
- 1
- Range
- 60–60
60Salton City
Moderate
- Stations
- 3
- Range
- 60–60
58San Diego
Moderate
- Stations
- 5
- Range
- 50–69
Fortuna
Moderate
- Stations
- 1
- Range
- 56–56
Live Oak Springs
Moderate
- Stations
- 1
- Range
- 56–56
56Willits
Moderate
- Stations
- 2
- Range
- 56–56
55Coronado
Moderate
- Stations
- 2
- Range
- 54–56
54El Cajon
Moderate
- Stations
- 3
- Range
- 54–54
53Jurupa Valley
Moderate
- Stations
- 2
- Range
- 52–54
53Shasta Lake
Moderate
- Stations
- 2
- Range
- 50–56
52Banning
Moderate
- Stations
- 3
- Range
- 52–52
Capitan
Moderate
- Stations
- 1
- Range
- 52–52
Eastern Goleta Valley
Moderate
- Stations
- 1
- Range
- 52–52
52Goleta
Moderate
- Stations
- 2
- Range
- 52–52
52Lompoc
Moderate
- Stations
- 2
- Range
- 52–52
Orcutt
Moderate
- Stations
- 1
- Range
- 52–52
Palm Springs
Moderate
- Stations
- 1
- Range
- 52–52
52Redding
Moderate
- Stations
- 3
- Range
- 42–69
52Riverside
Moderate
- Stations
- 2
- Range
- 52–52
52Santa Barbara
Moderate
- Stations
- 2
- Range
- 52–52
Upland
Moderate
- Stations
- 1
- Range
- 52–52
Vandenberg Village
Moderate
- Stations
- 1
- Range
- 52–52
51Corning
Moderate
- Stations
- 2
- Range
- 50–52
51Ontario
Moderate
- Stations
- 3
- Range
- 50–52
Alameda
Good
- Stations
- 1
- Range
- 50–50
Antioch
Good
- Stations
- 1
- Range
- 50–50
Arden Arcade
Good
- Stations
- 1
- Range
- 50–50
Auburn
Good
- Stations
- 1
- Range
- 50–50
August
Good
- Stations
- 1
- Range
- 50–50
About California
Coordinates
36.483, -119.839
Centroid of monitored stations
Stations
417
Reporting in this area
Spread
17 – 86
Cleanest to worst station reading
Other regions nearby
California air quality, answered
California is currently reading an AQI of 46, which is Good. It is the average across 417 reporting stations.
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside. Children, older adults and people with asthma or heart conditions can go about their day as normal.
46 sits in the Good band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 417 stations in California, reading between 17 and 86.
Of the cities currently listed for California, Yreka is reading highest at 79 (Moderate).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See California on the map.
Every station around it, live — or find out what today's reading means for you personally.