Air Quality Informaton

AIRNow Alerts



    Spare the Air Status for Tuesday, December 12, 2017
    Alert In Effect



    Location: Fremont, CA
    Current Air Quality: 12/12/17 12:00 PM PST

    AQI: Moderate (51 - 100)
    Moderate - 74 AQI - Particle Pollution (2.5 microns)

    Good - 25 AQI - Ozone

    Agency: San Francisco Bay Area AQMD
    Last Update: Tue, 12 Dec 2017 01:15:08 PST


    Location: Fremont, CA
    Forecast:
    Today, 12/12/2017:
    AQI: Moderate (51 - 100)
    Moderate - 80 AQI - Particle Pollution (2.5 microns)

    Tomorrow, 12/13/2017:
    AQI: Moderate (51 - 100)
    Moderate - 80 AQI - Particle Pollution (2.5 microns)

    Agency: San Francisco Bay Area AQMD
    Last Update: Tue, 12 Dec 2017 01:15:18 PST

Current Air Quality Index Map

Current AQI
0-50 Good
51-100 Moderate
101-150 Unhealthy for Sensitive Groups
151-200 Unhealthy
201-300 Very Unhealthy
301-500 Hazardous
AQI Maps courtesy of AIRNow.gov


Air Quality Index Map Animation

AQI Animation
0-50 Good
51-100 Moderate
101-150 Unhealthy for Sensitive Groups
151-200 Unhealthy
201-300 Very Unhealthy
301-500 Hazardous
AQI Maps courtesy of AIRNow.gov



  • AQI and Pollutant Forecast for Tuesday by district.
    North Counties - AQI: 102, Pollutant: PM2.5.
    Coast and Central Bay - AQI: 102, Pollutant: PM2.5.
    Eastern District - AQI: 95, Pollutant: PM2.5
    South and Central Bay - AQI: 80, Pollutant: PM2.5
    Santa Clara Valley - AQI: 84, Pollutant: PM2.5
  • AQI and Pollutant Forecast for Wednesday by district.
    North Counties - AQI: 102, Pollutant: PM2.5.
    Coast and Central Bay - AQI: 93, Pollutant: PM2.5.
    Eastern District - AQI: 87, Pollutant: PM2.5
    South and Central Bay - AQI: 80, Pollutant: PM2.5
    Santa Clara Valley - AQI: 84, Pollutant: PM2.5
  • AQI and Pollutant Forecast for Thursday by district.
    North Counties - AQI: Unhealthy for Sensitive Groups, Pollutant: PM2.5.
    Coast and Central Bay - AQI: Unhealthy for Sensitive Groups, Pollutant: PM2.5.
    Eastern District - AQI: Moderate, Pollutant: PM2.5
    South and Central Bay - AQI: Moderate, Pollutant: PM2.5
    Santa Clara Valley - AQI: Moderate, Pollutant: PM2.5
  • AQI and Pollutant Forecast for Friday by district.
    North Counties - AQI: Moderate, Pollutant: PM2.5.
    Coast and Central Bay - AQI: Moderate, Pollutant: PM2.5.
    Eastern District - AQI: Moderate, Pollutant: PM2.5
    South and Central Bay - AQI: Moderate, Pollutant: PM2.5
    Santa Clara Valley - AQI: Moderate, Pollutant: PM2.5
  • AQI and Pollutant Forecast for Saturday by district.
    North Counties - AQI: Moderate, Pollutant: PM2.5.
    Coast and Central Bay - AQI: Moderate, Pollutant: PM2.5.
    Eastern District - AQI: Good, Pollutant: PM2.5
    South and Central Bay - AQI: Good, Pollutant: PM2.5
    Santa Clara Valley - AQI: Good, Pollutant: PM2.5