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AQI Forecast by County
Wednesday, October 23
Wed Thu
El Dorado
50
46
Placer
50
46
Sacramento
50
45
Yolo-Solano
44
42

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.

Select a Pollutant:

 

Enter the Air Quality Index:

 

Concentration

Units

AQI Category

Sensitive Groups

Health Effects Statements

Cautionary Statements