The highest AQ index in California (as of 6:00 PDT) is currently the Olancha area. Particle Pollution (PM10) is measuring at 161 (Unhealthy). This means some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.
Over the next few days, the highest Ozone (OZONE) will be in the C San Bernardino area. It is forecasted to be Very Unhealthy, meaning health alert: The risk of health effects is increased for everyone.
"Air Quality Advisory in Effect"
| Range | 0 - 50 | 51 - 100 | 101 - 150 | 151 - 200 | 201 - 300 | 301 - 500 |
| Color | ||||||
| Category | Good | Moderate | Unhealthy for Sensitive Groups | Unhealthy | Very Unhealthy | Hazardous |
Last Updated 10 minutes ago
Below is a list of counties in California. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.