Network Statistics
List of station monitors and how long they have been collecting pollution samples.
For quality assured data or to get data prior to 2000 please visit www.epa.gov/outdoor-air-quality-data.
Current Stations
| County | Station | Monitor | Duration |
|---|---|---|---|
| Box Elder | Brigham City - BR | O3 (Seasonal until 2015) | Oct. 2000 - June 2019 |
| PM 2.5 | Oct. 2000 - June 2019 | ||
| PM 2.5 Filter (24-Hour) | Jan. 2005 - June 2019 | ||
| Wind Speed & Dir. | Dec. 1999 - June 2019 | ||
| Temperature | Oct. 2000 - June 2019 | ||
| Brigham City 3 - BG | NO, NO2 & NOX | Oct. 2023 - Present | |
| O3 | July 2023 - Present | ||
| PM 2.5 | July 2023 - Present | ||
| PM 2.5 Filter (24-Hour) | July 2023 - Present | ||
| Relative Humidity | Oct. 2023 - Present | ||
| Solar Radiation | Oct. 2023 - Present | ||
| Wind Speed & Dir. | Oct. 2023 - Present | ||
| Temperature | Oct. 2023 - Present | ||
| Cache | Logan - L4 | CO | Dec. 8, 1999 - April 2004 |
| NO, NO2 & NOX | Oct. 2007 - Dec. 2015 | ||
| O3 (Seasonal until 2005) | April 2000 - Dec. 2015 | ||
| PM 2.5 | Feb. 2004 - Dec. 2015 | ||
| PM 2.5 Filter (24-Hour) | Feb. 2000 - Dec. 2015 | ||
| PM 10 Filter (24-Hour) | Jan. 2000 - Dec. 2015 | ||
| Relative Humidity | Oct. 2002 - Dec. 2015 | ||
| SO2 | Oct. 2002 - June 2006 | ||
| Solar Radiation | Aug. 2004 - Dec. 2015 | ||
| Wind Speed & Dir. | Dec. 1999 - Dec. 2015 | ||
| Temperature | Dec. 1999 - Dec. 2015 | ||
| Smithfield - SM | NO, NO2 & NOX | 2015 - Present | |
| O3 | 2015 - Present | ||
| PM 2.5 | 2015 - Present | ||
| PM 2.5 Filter (24-Hour) | Jan. 2015 - Present | ||
| PM 10 | Nov. 2015 - 2019 | ||
| PM 10 Filter (24-Hour) | Jan. 2015 - Oct. 2021 | ||
| Wind Speed & Dir. | Nov. 2015 - Present | ||
| Temperature | Nov. 2015 - Present | ||
| Ceilometer | May. 2023 - Present | ||
| Carbon | Price - P2 | O3 | Nov. 2010 - Present |
| NO, NO2 & NOX | Nov. 2010 - Present | ||
| PM 2.5 | June 2021 - Present | ||
| Wind Speed & Dir. | Nov. 2010 - Present | ||
| Temperature | Nov. 2010 - Present | ||
| Davis | Bountiful - BV | BP | July 2004 - Present |
| CO | June 2010 - Nov. 2011 | ||
| NO, NO2 & NOX | Aug. 2008 - Present | ||
| O3 (Seasonal until 2015) | July 2003 - Present | ||
| Relative Humidity | Dec. 2004 - Present | ||
| PM 2.5 | Jan. 2015 - Present | ||
| PM 2.5 Filter (24-Hour) | July 2003 - Present | ||
| PM 10 Filter (24-Hour) | Aug. 2003 - Present | ||
| SO2 | July 2003 - Dec. 2013 | ||
| Wind Speed & Dir. | July 2003 - Present | ||
| Temperature | July 2003 - Present | ||
| Duchesne | Fruitland - FL | BP | April 2004 - 2016 |
| NO, NO2 & NOX | Feb. 2011 - 2016 | ||
| O3 | Feb. 15, 2011 - 2016 | ||
| Relative Humidity | Feb. 2011 - 2016 | ||
| Wind Speed & Dir. | Feb. 2011 - 2016 | ||
| Temperature | Mar. 2011 - 2016 | ||
| Roosevelt - RS | BP | Feb. 2012 - Present | |
| CO | Jan. 2012 - Dec. 2012 | ||
| NO, NO2 & NOX | Feb. 2012 - Present | ||
| O3 | Feb. 2012 - Present | ||
| PM 2.5 | Feb. 2012 - Present | ||
| PM 2.5 Filter (24-Hour) | Jan. 2012 - Aug. 2012, Oct. 2021 - Present | ||
| PM 10 (1-Hour) | Jan. 2022 - Present | ||
| PM 10 Filter (24-Hour) | Jan. 2012 - Aug. 2012, Oct. 2021 - Present | ||
| Relative Humidity | Feb. 2012 - Present | ||
| SO2 | Jan. 2012 - Nov. 2012 | ||
| Wind Speed & Dir. | Feb. 2012 - Present | ||
| Temperature | Feb. 2012 - Present | ||
| Ceilometer | Sep. 2022 - Present | ||
| Grand | Moab #7 - M7 | O3 | Apr. 2023 - Present |
| NO, NO2 & NOX | Apr. 2023 - Present | ||
| PM 2.5 | Apr. 2023 - Present | ||
| PM 2.5 (T640) | Jul. 10, 2024 - Present | ||
| PM 10 (T640) | Jul. 10, 2024 - Present | ||
| Relative Humidity | July 2023 - Present | ||
| Solar Radiation | July 2023 - Present | ||
| Wind Speed & Dir. | July 2023 - Present | ||
| Temperature | July 2023 - Present | ||
| Iron | Enoch - EN | O3 | Jan. 2018 - Present |
| NO, NO2 & NOX | Jan. 2018 - Present | ||
| PM 2.5 | Jan. 2018 - Present | ||
| Relative Humidity | Feb. 2018 - Present | ||
| Solar Radiation | Dec. 2020 - Present | ||
| Wind Speed & Dir. | Feb. 2018 - Present | ||
| Temperature | Feb. 2018 - Present | ||
| Salt Lake | Beach - B4 | O3 | Dec. 1999 - Oct. 2014 (Seasonal), Jan. 2026 - Present |
| PM 2.5 | Jan. 2026 - Present | ||
| Relative Humidity | Jan. 2026 - Present | ||
| SO2 | Dec. 1999 - Dec. 2013 | ||
| Solar Radiation | Jan. 2026 - Present | ||
| Wind Speed & Dir. | Dec. 1999 - Oct. 2014, Jan. 2026 - Present | ||
| Temperature | Dec. 1999 - Oct. 2014, Jan. 2026 - Present | ||
| Copperview - CV | CO | Apr. 2018 - Present | |
| O3 | Apr. 2018 - Present | ||
| NO, NO2 & NOX | Apr. 2018 - Present | ||
| PM 2.5 | Apr. 2018 - Present | ||
| Relative Humidity | Apr. 2018 - Present | ||
| SO2 | Apr. 2018 - Present | ||
| Solar Radiation | Apr. 2018 - Present | ||
| Temperature | Apr. 2018 - Present | ||
| Wind Speed & Dir. | Apr. 2018 - Present | ||
| Hawthorne - HW | CO | Dec. 3, 1999 - April 2006 (Seasonal), 2007 - Present | |
| NO, NO2 & NOX | Dec. 1999 - Present | ||
| NOY | Dec. 2010 - Present | ||
| O3 (Seasonal until 2005) | April 2000 - Present | ||
| PM 2.5 (1-Hour) | Dec. 2003 - Present | ||
| PM 2.5 Filter (24-Hour) | Jan. 2000 - Present | ||
| PM 10 (1-Hour) | Jan. 2000 - Jan. 2018, Dec. 2021 - Present | ||
| PM 10 Filter (24-Hour) | Jan. 2000 - Present | ||
| Rainfall | Ju. 2019 - Present | ||
| Relative Humidity | Dec. 1999 - Present | ||
| SO2 | Dec. 2010 - Present | ||
| Solar Radiation | Dec. 1999 - Present | ||
| Wind Speed & Dir. | Dec. 1999 - Present | ||
| Temperature | Dec. 1999 - Present | ||
| Ceilometer | Jan. 2019 - Present | ||
| Gas Chromatograph | May 2021 - Present | ||
| Herriman #3 - H3 | |||
| O3 | Oct. 2014 - Present | ||
| NO, NO2 & NOX | Oct. 2014 - Present | ||
| PM 2.5 | Oct. 2015 - Present | ||
| PM 10 | Oct. 2015 - Dec. 2017, 2022 - Jan. 2024 | ||
| PM 10 Filter (24-Hour) | 2015 - Present | ||
| Wind Speed & Dir. | Oct. 2014 - Present | ||
| Temperature | Oct. 2014 - Present | ||
| ZZ | PM 2.5 | Jan. 2021 - Present | |
| O3 | Jan. 2021 - Present | ||
| NO, NO2 & NOX | Jan. 2021 - Present | ||
| Wind Speed & Dir. | Sept. 2021 - Present | ||
| Temperature | Sept. 2021 - Present | ||
| Ceilometer | Jan. 2023 - Present | ||
| Lake Park - LP | PM 2.5 | Sept. 2020 - Present | |
| O3 | Sept. 2020 - Present | ||
| NO, NO2 & NOX | Sept. 2020 - Present | ||
| Wind Speed & Dir. | Sept. 2020 - Present | ||
| Temperature | Sept. 2020 - Present | ||
| Magna - MG | PM 2.5 Filter (24-Hour) | July 2003 - Dec. 2017 | |
| PM 10 Filter (24-Hour) | Jan. 2000 - Dec. 2017 | ||
| SO2 | Dec. 1999 - Dec. 2013 | ||
| Wind Speed & Dir. | Dec. 1999 - Dec. 2017 | ||
| Temperature | Dec. 1999 - Dec. 2017 | ||
| Magna #2 - MA | PM 2.5 Filter (24-Hour) | Jan. 2019 - Dec. 2019 | |
| PM 10 Filter (24-Hour) | Jan. 2019 - Dec. 2019 | ||
| PM 2.5 | Jan. 2026 - Present | ||
| SO2 | Jan. 2019 - Dec. 2019, Jan. 2026 - Present | ||
| NO, NO2, & NOX | Jan. 2019 - Dec. 2019, Jan. 2026 - Present | ||
| O3 | Jan. 2019 - Dec. 2019, Jan. 2026 - Present | ||
| Relative Humidity | Jan. 2026 - Present | ||
| Wind Speed & Dir. | Jan. 2026 - Present | ||
| Temperature | Jan. 2026 - Present | ||
| Solar Radiation | Jan. 2026 - Present | ||
| Near Road - NR | CO | Jan. 2019 - Present | |
| O3 | Jan. 2019 - Present | ||
| NO, NO2, & NOX | Jan. 2019 - Present | ||
| Relative Humidity | Sept. 2022 - Present | ||
| Wind Speed & Dir. | Sept. 2022 - Present | ||
| Temperature | Sept. 2022 - Present | ||
| Solar Radiation | Sept. 2022 - Present | ||
| Red Butte - RB | O3 | July 2023 - Sept. 2025 | |
| NO, NO2 & NOX (N500) | Dec. 2023 - Present | ||
| NOY, NO & Diff. | Dec. 2023 - Present | ||
| PM 2.5 | July 2023 - Present | ||
| Wind Speed & Dir. | June 2023 - Present | ||
| Temperature | June 2023 - Present | ||
| Ceilometer | June 2023 - Present | ||
| Rose Park - RP | CO | Jan. 2018 - Present | O3 | Jan. 2018 - Present |
| NO, NO2 & NOX | Jan. 2018 - Present | ||
| PM 2.5 Filter (24-Hour) | April 2007 - Present | ||
| PM 2.5 | Nov. 2016 - Present | ||
| PM 10 | Nov. 2016 - Jan. 2024f | ||
| SO2 | Jan. 2018 - Present | ||
| Wind Speed & Dir. | Jan. 2018 - Present | ||
| Temperature | Jan. 2018 - Present | ||
| Ceilometer | Feb. 2023 - Present | ||
| Technical Center - UT | CO | Jan. 2019 - May 2020, Jan. 2021 - Present | O3 | Jan. 2019 - May 2020, Jan. 2021 - Present |
| NO, NO2 & NOX | Jan. 2019 - May 2020, Jan. 2021 - Present | ||
| PM 2.5 Filter (24-Hour) | Jan. 2019 - Present | ||
| PM 2.5 | Jan. 2019 - May 2020, Jan. 2021 - Present | ||
| PM 10 (1-Hour) | Mar. 2021 - Present | ||
| PM 10 Filter (24-Hour) | Jan. 2019 - Present | ||
| Relative Humidity | Oct. 2020 - Present | ||
| SO2 | Jan. 2019 - May 2020, Jan. 2021 - Present | ||
| Wind Speed & Dir. | Oct. 2020 - Present | ||
| Temperature | Oct. 2020 - Present | ||
| Solar Radiation | Oct. 2020 - Present | ||
| Ceilometer | May 2021 - Present | ||
| Tooele | Tooele - T3 | O3 (Seasonal) | July 2005 - 2014 |
| PM 2.5 | July 2007 - 2015 | ||
| PM 2.5 Filter (24-Hour) | July 2005 - 2015 | ||
| Relative Humidity | Nov. 2005 - 2015 | ||
| Wind Speed & Dir. | July 2005 - 2015 | ||
| Temperature | July 2005 - 2015 | ||
| Erda - ED | O3 | 2016 - Present | |
| NO, NO2 & NOX | May 2016 - Present | ||
| PM 2.5 | 2016 - Present | ||
| PM 2.5 Filter (24-Hour) | 2016 - Present | ||
| Relative Humidity | 2016 - Present | ||
| Wind Speed & Dir. | 2016 - Present | ||
| Temperature | 2016 - Present | ||
| Uintah | Vernal - VL | NO, NO2 & NOX | May 2007 - Dec. 2007, Jan. 2012 - Dec. 2014 |
| O3 | Feb. 2007 - Dec. 2007, Sept. 2011 - Dec. 2014 |
||
| PM 2.5 | Mar. 2007 - Mar. 2009 (Seasonal), Sept. 2011 - Dec. 2014 |
||
| PM 2.5 Filter (24-Hour) | Jan. 2012 - Aug. 2012 | ||
| Wind Speed & Dir. | Feb. 2007 - Mar. 2009 (Seasonal), Sept. 2011 - Dec. 2014 |
||
| Temperature | Feb. 2007 - Mar. 2009 (Seasonal), Sept. 2011 - Dec. 2014 |
||
| Vernal #4 - V4 | NO, NO2 & NOX | 2016 - Present | |
| O3 | 2015 - Present | ||
| PM 2.5 | 2015 - Present | ||
| PM 2.5 Filter (24-Hour) | Oct. 2021 - Present | ||
| Relative Humidity | 2015 - Present | ||
| Wind Speed & Dir. | 2015 - Present | ||
| Temperature | 2015 - Present | ||
| Utah | Lindon - LN | CO | Jan. 2018 - Present |
| O3 | June 2009 - Sept. 2009, Jan. 2018 - Present | ||
| NO, NO2 & NOX | Jan. 2018 - Present | ||
| PM 2.5 | Mar. 2000 - Present | ||
| PM 10 | 2016 - Dec. 2017, Jan. 2022 - Jan. 2024 | ||
| PM 2.5 Filter (24-Hour) | Jan. 2012 - Present | ||
| PM 10 Filter (24-Hour) | Jan. 2000 - Present | ||
| Relative Humidity | Dec. 1999 - Present | ||
| Wind Speed & Dir. | Dec. 1999 - Present | ||
| Temperature | Dec. 1999 - Present | ||
| North Provo - NP | CO | Dec. 12, 1999 - Dec. 2017 | |
| NO, NO2 & NOX | Feb. 2008 - Dec. 2017 | ||
| O3 (Seasonal until 2007) | April 2000 - Dec. 2017 | ||
| PM 2.5 | Jan. 2008 - Dec. 2017 | ||
| PM 10 | 2016 - Dec. 2017 | ||
| PM 2.5 Filter (24-Hour) | Jan. 2000 - Dec. 2017 | ||
| PM 10 Filter (24-Hour) | Jan. 2000 - Dec. 2017 | ||
| Wind Speed & Dir. | Dec. 1999 - Dec. 2017 | ||
| Temperature | Dec. 1999 - Dec. 2017 | ||
| Spanish Fork - SF | PM 2.5 Filter (24-Hour) | Jan. 2000 - Present | |
| O3 (Seasonal until 2015) | Mar. 2000 - Present | ||
| NO, NO2 & NOX | Jan. 2018 - Present | ||
| Wind Speed & Dir. | Dec. 1999 - Present | ||
| Temperature | Dec. 1999 - Present | ||
| Wasatch | Heber - HB | PM 2.5 | Aug. 2024 - Present |
| PM 2.5 Filter (24-Hour) | Aug. 2024 - Present | ||
| NO, NO2 & NOX | Aug. 2024 - Present | ||
| O3 | Aug. 2024 - Present | ||
| Relative Humidity | Aug. 2024 - Present | ||
| Wind Speed & Dir. | Aug. 2024 - Present | ||
| Temperature | Aug. 2024 - Present | ||
| Washington | Hurricane - HC | PM 2.5 | Oct. 2012 - Present |
| PM 2.5 Filter (24-Hour) | Jan. 2014 - 2016 | ||
| PM 10 Filter (24-Hour) | Jan. 2014 - 2016 | ||
| NO, NO2 & NOX | Aug. 2012 - Present | ||
| O3 (Seasonal until 2015) | Aug. 2012 - Present | ||
| Relative Humidity | Aug. 2012 - Present | ||
| Wind Speed & Dir. | Aug. 2012 - Present | ||
| Temperature | Aug. 2012 - Present | ||
| Weber | Harrisville - HV | CO | Aug. 2019 - Present |
| NO, NO2 & NOX | Aug. 2019 - Present | ||
| O3 (Seasonal until 2015) | Mar. 2001 - Present | ||
| PM 2.5 | Aug. 2019 - Present | ||
| PM 2.5 Filter (24-Hour) | Nov. 2000 - Dec. 2013, Aug. 2019 - Present | ||
| PM 10 (1-Hour) | Jan. 2022 - Jan. 2024 | ||
| PM 10 Filter (24-Hour) | Sept. 2019 - Jan. 2024 | ||
| Wind Speed & Dir. | Nov. 2000 - Present | ||
| Temperature | Feb. 2001 - Present | ||
| Ogden #2 - O2 | CO | Dec. 2007 - June 2019 | |
| NO, NO2 & NOX | June 2008 - June 2019 | ||
| O3 | June 2008 - June 2019 | ||
| PM 2.5 | July 2005 - June 2019 | ||
| PM 2.5 Filter (24-Hour) | July 2001 - June 2019 | ||
| PM 10 Filter (24-Hour) | July 2001 - June 2019 | ||
| Relative Humidity | Feb. 2002 - June 2019 | ||
| Wind Speed & Dir. | June 2008 - June 2019 | ||
| Temperature | Feb. 2002 - June 2019 | ||
| Washington Blvd. - W2 | CO | Dec. 12, 1999 - Dec. 2013 |