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San Jose, CA Air Quality Index



Realtime Air Quality Data
Realtime Location: San Jose, CA
Issue Date: 01/17/26 5:00 PM PST

Current Air Quality Index

Moderate 71



Realtime AQI - Pollutant Details
Type: Particle Pollution (2.5 microns)
Index: Moderate
AQI Value: 71		 Moderate

Type: Ozone
Index: Good
AQI Value: 24
Good

Last Update:Sat, 17 Jan 2026 05:45:02 PST
Realtime Air Quality Data
Realtime Location:Saratoga-Weather.org - PurpleAir sensor More...
Issue Date: Sat, 17-Jan-2026 5:48pm PST

Current Air Quality Index

Moderate 51

0-50 Good
51-100 Moderate
101-150 Unhealthy for Sensitive Groups
151-200 Unhealthy
201-300 Very Unhealthy
301-500 Hazardous


Air Quality Forecast
Forecast Location: San Jose, CA
Forecast Agency: Bay Area Air District
Two Day Forecast
Day One Forecast Day Two Forecast
Date: 01/17/2026
Type: Particle Pollution (2.5 microns)
Index: Moderate
AQI Value: 82

Moderate
Date: 01/18/2026
Type: Particle Pollution (2.5 microns)
Index: Moderate
AQI Value: 81

Moderate
Last Update:Sat, 17 Jan 2026 05:45:03 PST
Script courtesy of  Michael Holden of Relay Weather. Data courtesy of Airnow.gov





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