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The area with the highest AQ Index (as of 4:00 PST) in is in the Lassen Volcanic National Park area. Particle Pollution (PM2.5) is measuring at 4 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.
Over the next few days, the highest primary air pollutant will be Ozone (OZONE) in the Lassen Volcanic National Park area. It is forecasted to be 41 (Good), meaning air quality is satisfactory, and air pollution poses little or no risk.
Below is a clickable map of Modoc 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 |
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Below is a list of cities in Modoc 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.
| Alturas | Cedarville | Newell | California Pines | Canby |
| Adin | Fort Bidwell | Daphnedale Park | Lake City | Lookout |
| New Pine Creek | Eagleville |