tips

AQI Forecast by County
Wednesday, June 29
Wed Thu
El Dorado
61
49
Placer
61
49
Sacramento
49
44
Yolo-Solano
44
40

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.

Select a Pollutant:

Units Required:

Enter the Concentration:

 

AQI

AQI Category

Sensitive Groups

Health Effects Statements

Cautionary Statements