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AQI Forecast by County
Sunday, September 19
Sun Mon
El Dorado
44
61
Placer
44
64
Sacramento
45
67
Yolo-Solano
37
53

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 pollutant concentration in the specified units. The Air Quality Index and associated information are calculated below.

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Units Required:

Enter the Concentration:

 

AQI

AQI Category

Sensitive Groups

Health Effects Statements

Cautionary Statements