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AQI Forecast by County
Thursday, October 28
Thu Fri
El Dorado
46
53
Placer
46
61
Sacramento
53
66
Yolo-Solano
42
59

Air Quality Map
The map below is a 1-hour snapshot. Click to view all hours recorded since midnight.
Current map


AQI Calculator: Concentration to AQI | AQI to Concentration

AQI logo Select a criteria pollutant and enter the Air Quality Index (AQI). The associated pollutant concentration and health information are indicated below.

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Enter the Air Quality Index:

 

Concentration

Units

AQI Category

Sensitive Groups

Health Effects Statements

Cautionary Statements