Home > USA > California > Los Angeles County
The area with the highest AQ Index (as of 23:00 PDT) in is in the Antelope Vly area. Particle Pollution (PM2.5) is measuring at 73 (Moderate). This means air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Over the next few days, the highest primary air pollutant will be Ozone (OZONE) in the Pomona Walnut Vly area. It is forecasted to be 159 (Unhealthy), meaning some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects.
Below is a clickable map of Los Angeles County, California. The markers on the map identify large, populated cities. If you hover over a marker, it will display the city name and the current AQ index. The color of the city markers also references the current AQ risk level.
| 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 16 minutes ago
Below is a list of cities in Los Angeles County where we track and forecast the AQ index. Click on a city name to get the current AQ index as well as any available forcasts.