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  • Spare the Air Status for Wednesday, November 20, 2024

    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
      Forecast: Today, 11/21/2024:
      Good - 34 AQI - Ozone
      Tomorrow, 11/22/2024:
      Good - 32 AQI - Ozone
      Friday, 11/22/2024:
      Good - Ozone
      Saturday, 11/23/2024:
      Good - Ozone
      Sunday, 11/24/2024:
      Good - Ozone
      Monday, 11/25/2024:
      Good - Ozone
      Agency: San Francisco Bay Area AQMD
      Last Update: Wed, 20 Nov 2024 11:15:02 PST


    • AQI and Pollutant Forecast for Wednesday by district.
      North Counties - AQI: 33, Pollutant: PM2.5.
      Coast and Central Bay - AQI: 28, Pollutant: PM2.5.
      Eastern District - AQI: 35, Pollutant: OZONE
      South and Central Bay - AQI: 34, Pollutant: OZONE
      Santa Clara Valley - AQI: 33, Pollutant: OZONE
    • AQI and Pollutant Forecast for Thursday by district.
      North Counties - AQI: 31, Pollutant: OZONE.
      Coast and Central Bay - AQI: 28, Pollutant: PM2.5.
      Eastern District - AQI: 34, Pollutant: OZONE
      South and Central Bay - AQI: 32, Pollutant: OZONE
      Santa Clara Valley - AQI: 33, Pollutant: OZONE
    • AQI and Pollutant Forecast for Friday by district.
      North Counties - AQI: Good, Pollutant: PM2.5.
      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: PM2.5
    • AQI and Pollutant Forecast for Saturday by district.
      North Counties - AQI: Good, Pollutant: PM2.5.
      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: PM2.5
    • AQI and Pollutant Forecast for Sunday by district.
      North Counties - AQI: Good, Pollutant: PM2.5.
      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: PM2.5