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The area with the highest AQ Index (as of ) in is in the area. () is measuring at (). This means
| 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 50 minutes ago
Below is a list of cities in Alameda 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.
| Oakland | Fremont | Hayward | Berkeley | San Leandro |
| Livermore | Pleasanton | Alameda | Union City | Castro Valley |
| Dublin | Newark | San Lorenzo | Ashland | Albany |
| Cherryland | Emeryville | Piedmont | Fairview | Sunol |