Union City, CA Weather - Air Quality Informaton

Air Quality Informaton


  • Spare the Air Status for Thursday, June 16, 2022

    No Spare the Air Alert in Effect
AIRNow Alerts - San Francisco Bay Area AQMD


    Union City, CA Current AQI (PurpleAir Sensor)



    Union City Current AQI

    Realtime PurpleAir Sensor Map

    PurpleAir Sensor Map courtesy of PurpleAir.com




    • Location: Fremont, CA
      Current Air Quality: 06/16/22 8:00 AM PDT
      Good - 24 AQI - Particle Pollution (2.5 microns)
      Good - 23 AQI - Ozone
      Agency: San Francisco Bay Area AQMD
      Last Update: Thu, 16 Jun 2022 07:45:01 PST

    • Location: Fremont, CA
      Forecast: Today, 06/16/2022:
      Good - 36 AQI - Ozone
      Tomorrow, 06/17/2022:
      Good - Ozone
      Saturday, 06/18/2022:
      Good - Ozone
      Sunday, 06/19/2022:
      Good - Ozone
      Monday, 06/20/2022:
      Good - Ozone
      Agency: San Francisco Bay Area AQMD
      Last Update: Thu, 16 Jun 2022 07:45:04 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 Wednesday by district.
      North Counties - AQI: 48, Pollutant: OZONE.
      Coast and Central Bay - AQI: 42, Pollutant: PM2.5.
      Eastern District - AQI: 49, Pollutant: OZONE
      South and Central Bay - AQI: 39, Pollutant: OZONE
      Santa Clara Valley - AQI: 48, Pollutant: OZONE
    • AQI and Pollutant Forecast for Thursday by district.
      North Counties - AQI: 38, Pollutant: OZONE.
      Coast and Central Bay - AQI: 46, Pollutant: PM2.5.
      Eastern District - AQI: 40, Pollutant: OZONE
      South and Central Bay - AQI: 36, Pollutant: OZONE
      Santa Clara Valley - AQI: 41, Pollutant: OZONE
    • AQI and Pollutant Forecast for Friday by district.
      North Counties - AQI: Good, Pollutant: OZONE.
      Coast and Central Bay - AQI: Good, Pollutant: PM2.5.
      Eastern District - AQI: Good, Pollutant: OZONE
      South and Central Bay - AQI: Good, Pollutant: OZONE
      Santa Clara Valley - AQI: Good, Pollutant: OZONE
    • AQI and Pollutant Forecast for Saturday by district.
      North Counties - AQI: Good, Pollutant: OZONE.
      Coast and Central Bay - AQI: Good, Pollutant: PM2.5.
      Eastern District - AQI: Good, Pollutant: OZONE
      South and Central Bay - AQI: Good, Pollutant: OZONE
      Santa Clara Valley - AQI: Good, Pollutant: OZONE
    • AQI and Pollutant Forecast for Sunday by district.
      North Counties - AQI: Good, Pollutant: OZONE.
      Coast and Central Bay - AQI: Good, Pollutant: PM2.5.
      Eastern District - AQI: Good, Pollutant: OZONE
      South and Central Bay - AQI: Good, Pollutant: OZONE
      Santa Clara Valley - AQI: Good, Pollutant: OZONE