This page provides access to real-time provisional air quality observations collected within the previous 60 minutes from resources across Utah. Included are fixed-site monitors deployed by the Utah Division of Air Quality, the University of Utah, Meteorological Solutions Inc., and the PurpleAir citizen-science network. Additionally, monitors deployed on UTA TRAX light rail cars, vehicles, and KSL-TV Chopper 5 may also be available at various times.
The menu on the top-left corner of the map can be used to show or hide measurements these various resources.
Change Map View:
On the interactive map, observations on board Utah Transportation Authority TRAX light rail cars and other mobile sources are shown. The larger markers represent the most recent collected observation, with trailing transparent markers representing older observations as the platform moves. Diamond markers represent data from frieght trucks. Circle markers represent data from TRAX and other mobile sources. Additional markers are fixed-site observations collected by MesoWest (available via the Synoptic Data API Services ) from equipment operated by the Utah Division of Air Quality , Meteorological Solutions Inc. , the University of Utah Department of Atmospheric Sciences (squares), AirU (triangles), and the PurpleAir networks (triangles). Marker color is based on the observation value according to the legend on the map.
Weather observations from of the Synoptic Data API Services can be plotted by clicking the "Load Weather Obs" button above the map. Observations will be plotted in wind barb format similar to MesoWest . Red numbers indicate temperature in degrees Celsius. Green numbers indicate relative humidity. Wind barbs show wind speed in meters per second (one full barb is 5 meters per second). Wind gust values larger than 5 meters per second are also shown in yellow if available.
The table below provides the most recent ozone concentration observation collected from each platform available on the map, with links to time series graphs available as well to show data over the previous 24 hours. Rows can be sorted by clicking on the table headers.
Type Station Last Record Available Ozone Concentration Additional Links
In-Situ Calexico-Ethel Street (CQ004) 2021-01-16 09:00 PT 13.00 ppbv 24hr Graph
In-Situ Colusa-Sunrise Blvd (CQ005) 2021-01-16 09:00 PT 17.00 ppbv 24hr Graph
In-Situ Davis-UCD Campus (CQ007) 2021-01-16 09:00 PT 6.00 ppbv 24hr Graph
In-Situ Edison (CQ008) 2021-01-16 09:00 PT 22.00 ppbv 24hr Graph
In-Situ Jackson-Clinton Road (CQ011) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Modesto-14th Street (CQ012) 2021-01-16 09:00 PT 4.00 ppbv 24hr Graph
In-Situ Oildale (CQ014) 2021-01-16 09:00 PT 6.00 ppbv 24hr Graph
In-Situ Placerville-Gold Nugget Way (CQ015) 2021-01-16 09:00 PT 33.00 ppbv 24hr Graph
In-Situ Roseville-N Sunrise Blvd (CQ017) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Sacramento - 1309 T Street (CQ018) 2021-01-16 09:00 PT 0.00 ppbv 24hr Graph
In-Situ San Andreas-Gold Strike Road (CQ019) 2021-01-16 09:00 PT 7.00 ppbv 24hr Graph
In-Situ Stockton-Hazelton (CQ020) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Shafter (CQ021) 2021-01-16 09:00 PT 1.00 ppbv 24hr Graph
In-Situ Santa Maria - South Broadway (CQ025) 2021-01-16 09:00 PT 43.00 ppbv 24hr Graph
In-Situ Sonora - Barretta Street (CQ026) 2021-01-16 09:00 PT 13.00 ppbv 24hr Graph
In-Situ Visalia (CQ027) 2021-01-16 09:00 PT 8.00 ppbv 24hr Graph
In-Situ Yuba City (CQ029) 2021-01-16 09:00 PT 6.00 ppbv 24hr Graph
In-Situ Paradise - Airport (CQ030) 2021-01-16 09:00 PT 31.00 ppbv 24hr Graph
In-Situ Concord (CQ031) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Bethel Island Road (CQ032) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Parlier (CQ034) 2021-01-16 09:00 PT 4.00 ppbv 24hr Graph
In-Situ Clovis-N Villa Avenue (CQ036) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Merced - Coffee Road (CQ041) 2021-01-16 09:00 PT 6.00 ppbv 24hr Graph
In-Situ Mission Viejo (CQ042) 2021-01-16 10:00 PT 32.00 ppbv 24hr Graph
In-Situ Riverside-Rubidoux (CQ045) 2021-01-16 10:00 PT 24.00 ppbv 24hr Graph
In-Situ Perris (CQ046) 2021-01-16 10:00 PT 10.00 ppbv 24hr Graph
In-Situ Indio-Jackson Street (CQ047) 2021-01-16 10:00 PT 18.00 ppbv 24hr Graph
In-Situ Lake Elsinore-W Flint Street (CQ048) 2021-01-16 10:00 PT 19.00 ppbv 24hr Graph
In-Situ Banning-Airport (CQ050) 2021-01-16 10:00 PT 35.00 ppbv 24hr Graph
In-Situ Sacramento-Del Paso Manor (CQ052) 2021-01-16 10:00 PT 5.00 ppbv 24hr Graph
In-Situ Elk Grove - Bruceville Road (CQ053) 2021-01-16 10:00 PT 7.00 ppbv 24hr Graph
In-Situ Upland (CQ055) 2021-01-16 10:00 PT 20.00 ppbv 24hr Graph
In-Situ Lake Gregory (CQ056) 2021-01-16 10:00 PT 40.00 ppbv 24hr Graph
In-Situ Fontana-Arrow Highway (CQ057) 2021-01-16 10:00 PT 38.00 ppbv 24hr Graph
In-Situ San Bernardino (CQ058) 2021-01-16 10:00 PT 26.00 ppbv 24hr Graph
In-Situ Gilroy-9th Street (CQ060) 2021-01-16 09:00 PT 6.00 ppbv 24hr Graph
In-Situ San Martin (CQ061) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Vallejo (CQ062) 2021-01-16 09:00 PT 1.00 ppbv 24hr Graph
In-Situ Azusa (CQ066) 2021-01-16 10:00 PT 32.00 ppbv 24hr Graph
In-Situ Los Angeles-North Main Street (CQ070) 2021-01-16 10:00 PT 6.00 ppbv 24hr Graph
In-Situ Santa Clarita-Placerita (CQ071) 2021-01-16 10:00 PT 34.00 ppbv 24hr Graph
In-Situ Glendora-Laurel (CQ073) 2021-01-16 10:00 PT 33.00 ppbv 24hr Graph
In-Situ Fresno-Drummond St (CQ075) 2021-01-16 09:00 PT 0.00 ppbv 24hr Graph
In-Situ Carmel Valley-Ford Rd (CQ076) 2021-01-16 10:00 PT 22.00 ppbv 24hr Graph
In-Situ Redlands-Dearborn (CQ078) 2021-01-16 10:00 PT 32.00 ppbv 24hr Graph
In-Situ Pasadena-S Wilson Ave (CQ080) 2021-01-16 10:00 PT 22.00 ppbv 24hr Graph
In-Situ La Habra (CQ081) 2021-01-16 10:00 PT 12.00 ppbv 24hr Graph
In-Situ Morro Bay (CQ083) 2021-01-16 10:00 PT 35.00 ppbv 24hr Graph
In-Situ Reseda (CQ088) 2021-01-16 10:00 PT 40.00 ppbv 24hr Graph
In-Situ West Los Angeles-VA Hospital (CQ090) 2021-01-16 10:00 PT 18.00 ppbv 24hr Graph
In-Situ El Centro-9th Street (CQ091) 2021-01-16 10:00 PT 22.00 ppbv 24hr Graph
In-Situ Chula Vista (CQ093) 2021-01-16 10:00 PT 20.00 ppbv 24hr Graph
In-Situ Hesperia-Olive Street (CQ096) 2021-01-16 10:00 PT 26.00 ppbv 24hr Graph
In-Situ Redding-Health Dept Roof (CQ098) 2021-01-16 10:00 PT 26.00 ppbv 24hr Graph
In-Situ Phelan-Beekley Rd & Phelan Rd (CQ099) 2021-01-16 10:00 PT 42.00 ppbv 24hr Graph
In-Situ Pomona (CQ101) 2021-01-16 10:00 PT 17.00 ppbv 24hr Graph
In-Situ Barstow (CQ103) 2021-01-16 10:00 PT 7.00 ppbv 24hr Graph
In-Situ Turlock-S Minaret St (CQ113) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Westmorland-W 1st Street (CQ121) 2021-01-16 10:00 PT 13.00 ppbv 24hr Graph
In-Situ Niland-English Rd (CQ125) 2021-01-16 10:00 PT 7.00 ppbv 24hr Graph
In-Situ Camp Pendleton (CQ126) 2021-01-16 10:00 PT 25.00 ppbv 24hr Graph
In-Situ Sloughhouse (CQ129) 2021-01-16 10:00 PT 6.00 ppbv 24hr Graph
In-Situ Trona-Athol & Telegraph (CQ130) 2021-01-16 10:00 PT 16.00 ppbv 24hr Graph
In-Situ Woodland-Gibson Rd (CQ132) 2021-01-16 09:00 PT 7.00 ppbv 24hr Graph
In-Situ Nipomo-Regional Park (CQ133) 2021-01-16 10:00 PT 36.00 ppbv 24hr Graph
In-Situ Fairfield-Chadbourne Rd (CQ138) 2021-01-16 09:00 PT 4.00 ppbv 24hr Graph
In-Situ Salinas HS (CQ145) 2021-01-16 10:00 PT 18.00 ppbv 24hr Graph
In-Situ Victorville-14306 Park Ave (CQ146) 2021-01-16 10:00 PT 17.00 ppbv 24hr Graph
In-Situ Lancaster-43301 Division St (CQ148) 2021-01-16 10:00 PT 17.00 ppbv 24hr Graph
In-Situ San Pablo-Rumrill Blvd (CQ150) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Anaheim-Pampas Ln (CQ153) 2021-01-16 10:00 PT 6.00 ppbv 24hr Graph
In-Situ Los Angeles-Westchester Parkway (CQ157) 2021-01-16 10:00 PT 13.00 ppbv 24hr Graph
In-Situ Yosemite NP-Turtleback Dome (CQ160) 2021-01-16 09:00 PT 35.00 ppbv 24hr Graph
In-Situ Death Valley Natl Park (CQ162) 2021-01-16 09:00 PT 30.00 ppbv 24hr Graph
In-Situ Joshua Tree-National Monument (CQ163) 2021-01-16 09:00 PT 40.00 ppbv 24hr Graph
In-Situ Sequoia & Kings Canyon Np (CQ164) 2021-01-16 09:00 PT 26.00 ppbv 24hr Graph
In-Situ Hanford-S Irwin Street (CQ169) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Mira Loma Van Buren (CQ171) 2021-01-16 10:00 PT 38.00 ppbv 24hr Graph
In-Situ Carrizo Plains School-9640 Carrizo (CQ172) 2021-01-16 10:00 PT 29.00 ppbv 24hr Graph
In-Situ Kernville-NPS (CQ173) 2021-01-16 09:00 PT 24.00 ppbv 24hr Graph
In-Situ Pinehurst-NPS (CQ174) 2021-01-16 09:00 PT 27.00 ppbv 24hr Graph
In-Situ Tracy-Airport (CQ178) 2021-01-16 09:00 PT 19.00 ppbv 24hr Graph
In-Situ Red Hills (CQ187) 2021-01-16 10:00 PT 37.00 ppbv 24hr Graph
In-Situ Pico Rivera-4144 San Gabriel (CQ192) 2021-01-16 10:00 PT 4.00 ppbv 24hr Graph
In-Situ Willows-720 N Colusa Street (CQ193) 2021-01-16 09:00 PT 23.00 ppbv 24hr Graph
In-Situ Compton-700 North Bullis Road (CQ194) 2021-01-16 10:00 PT 2.00 ppbv 24hr Graph
In-Situ Arvin-Di Giorgio (CQ195) 2021-01-16 09:00 PT 15.00 ppbv 24hr Graph
In-Situ Porterville-1839 Newcomb Street (CQ198) 2021-01-16 09:00 PT 10.00 ppbv 24hr Graph
In-Situ San Diego-Kearny Villa Road (CQ199) 2021-01-16 10:00 PT 30.00 ppbv 24hr Graph
In-Situ Madera-28261 Avenue 14 (CQ201) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Springville-Forest Service (CQ205) 2021-01-16 09:00 PT 25.00 ppbv 24hr Graph
In-Situ King City-415 Pearl Street (CQ210) 2021-01-16 10:00 PT 14.00 ppbv 24hr Graph
In-Situ Ukiah-E Gobbi Street (CQ214) 2021-01-16 10:00 PT 2.00 ppbv 24hr Graph
In-Situ Joshua Tree National Park (CQ222) 2021-01-16 09:00 PT 35.00 ppbv 24hr Graph
In-Situ Fresno-Garland (CQ227) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Bakersfield-Municipal Airport (CQ229) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Chico-East Avenue (CQ231) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Winchester - 33700 Borel Road (CQ232) 2021-01-16 10:00 PT 30.00 ppbv 24hr Graph
In-Situ San Ramon - Alcosta Blvd (CQ235) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Otay Mesa - Donovan Correctional Facility (CQ242) 2021-01-16 10:00 PT 16.00 ppbv 24hr Graph
In-Situ Atascadero - Lift Station 5 (CQ243) 2021-01-16 10:00 PT 19.00 ppbv 24hr Graph
In-Situ El Cajon - Lexington Elementary School (CQ261) 2021-01-16 10:00 PT 20.00 ppbv 24hr Graph
In-Situ Pinnacles NM (A1044) 2021-01-16 09:00 PT 21.00 ppbv 24hr Graph
In-Situ Lassen Volcanic NP (A1046) 2021-01-16 09:00 PT 28.00 ppbv 24hr Graph
In-Situ Livermore - Rincon (A1121) 2021-01-16 09:00 PT 1.00 ppbv 24hr Graph
In-Situ NCore - White Mountain Research Station - OVL (A1281) 2021-01-16 10:00 PT 31.00 ppbv 24hr Graph
In-Situ Toll (A1303) 2021-01-16 10:00 PT 15.00 ppbv 24hr Graph
In-Situ South Reno (A1304) 2021-01-16 10:00 PT 10.00 ppbv 24hr Graph
In-Situ Sparks (A1308) 2021-01-16 10:00 PT 6.00 ppbv 24hr Graph
In-Situ Vacaville (A1375) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ GreenValley (A1884) 2021-01-16 10:00 PT 21.00 ppbv 24hr Graph
In-Situ Paul Meyer (A1902) 2021-01-16 10:00 PT 23.00 ppbv 24hr Graph
In-Situ Bakersfield - California Ave (A2697) 2021-01-16 09:00 PT 5.00 ppbv 24hr Graph
In-Situ Palm Springs - Fire Station (A2961) 2021-01-16 10:00 PT 22.00 ppbv 24hr Graph
In-Situ Spanish Springs (A3248) 2021-01-16 10:00 PT 10.00 ppbv 24hr Graph
In-Situ Joe Neal (A3371) 2021-01-16 10:00 PT 31.00 ppbv 24hr Graph
In-Situ Jerome Mack (A3386) 2021-01-16 10:00 PT 8.00 ppbv 24hr Graph
In-Situ Jean (A3404) 2021-01-16 10:00 PT 32.00 ppbv 24hr Graph
In-Situ Palo Verde (A3408) 2021-01-16 10:00 PT 30.00 ppbv 24hr Graph
In-Situ Walter Johnson (A3421) 2021-01-16 10:00 PT 28.00 ppbv 24hr Graph
In-Situ Sebastopol (A3610) 2021-01-16 09:00 PT 1.00 ppbv 24hr Graph
In-Situ Madera - Pump Yard (A3620) 2021-01-16 08:00 PT 0.00 ppbv 24hr Graph
In-Situ Tranquillity (A3689) 2021-01-16 09:00 PT 12.00 ppbv 24hr Graph
In-Situ Grass Valley (A3703) 2021-01-16 08:00 PT 40.00 ppbv 24hr Graph
In-Situ Great Basin NP (A3776) 2021-01-16 09:00 PT 39.00 ppbv 24hr Graph
In-Situ Indio-29 Palms (A3794) 2021-01-16 10:00 PT 22.00 ppbv 24hr Graph
In-Situ Santa Rosa Rancheria (A3816) 2021-01-16 10:00 PT 6.00 ppbv 24hr Graph
In-Situ Colfax (A3887) 2021-01-16 09:00 PT 25.00 ppbv 24hr Graph
In-Situ Alpine (A3889) 2021-01-16 10:00 PT 38.00 ppbv 24hr Graph
In-Situ Anderson (A3890) 2021-01-16 10:00 PT 12.00 ppbv 24hr Graph
In-Situ Shasta Lake City (A3891) 2021-01-16 10:00 PT 28.00 ppbv 24hr Graph
In-Situ Yreka (A3892) 2021-01-16 10:00 PT 1.00 ppbv 24hr Graph
In-Situ Red Bluff - Walnut office (A3893) 2021-01-16 10:00 PT 18.00 ppbv 24hr Graph
In-Situ Fallon (A4056) 2021-01-16 09:00 PT 4.00 ppbv 24hr Graph
In-Situ Boulder City (A4057) 2021-01-16 10:00 PT 34.00 ppbv 24hr Graph
In-Situ Fernley (A4059) 2021-01-16 09:00 PT 8.00 ppbv 24hr Graph
In-Situ Incline (A4060) 2021-01-16 10:00 PT 27.00 ppbv 24hr Graph
In-Situ Lemmon Valley (A4061) 2021-01-16 10:00 PT 9.00 ppbv 24hr Graph
In-Situ CC_Armory (A4062) 2021-01-16 09:00 PT 6.00 ppbv 24hr Graph
In-Situ Antelope - North Highlands (A4533) 2021-01-16 10:00 PT 6.00 ppbv 24hr Graph
In-Situ Oakland (A4536) 2021-01-16 09:00 PT 3.00 ppbv 24hr Graph
In-Situ Oakland West (A4537) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ Berkeley Aquatic Park (A4539) 2021-01-16 09:00 PT 0.00 ppbv 24hr Graph
In-Situ Hayward (A4540) 2021-01-16 09:00 PT 27.00 ppbv 24hr Graph
In-Situ San Rafael (A4541) 2021-01-16 09:00 PT 1.00 ppbv 24hr Graph
In-Situ San Francisco (A4542) 2021-01-16 09:00 PT 6.00 ppbv 24hr Graph
In-Situ Redwood City (A4543) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ San Jose - Jackson St. (A4544) 2021-01-16 09:00 PT 1.00 ppbv 24hr Graph
In-Situ Los Gatos (A4546) 2021-01-16 09:00 PT 8.00 ppbv 24hr Graph
In-Situ San Diego - Sherman Elementary School (A4548) 2021-01-16 10:00 PT 21.00 ppbv 24hr Graph
In-Situ Napa - Napa Valley College (A4577) 2021-01-16 09:00 PT 2.00 ppbv 24hr Graph
In-Situ North Holywood (A4585) 2021-01-16 10:00 PT 19.00 ppbv 24hr Graph
In-Situ Reno4 (A4669) 2021-01-16 10:00 PT 8.00 ppbv 24hr Graph
In-Situ Mountains Edge (A4763) 2021-01-16 10:00 PT 28.00 ppbv 24hr Graph
In-Situ Mojave - CA 58 Business (A4766) 2021-01-16 09:00 PT 13.00 ppbv 24hr Graph
In-Situ Folsom (A4775) 2021-01-16 10:00 PT 5.00 ppbv 24hr Graph
In-Situ Virgin Valley (A4783) 2021-01-16 10:00 PT 29.00 ppbv 24hr Graph
In-Situ Bishop Paiute Tribe-CA (AN045) 2021-01-16 10:00 PT 9.00 ppbv 24hr Graph
In-Situ Paso Robles - Santa Fe Ave (AN071) 2021-01-16 09:00 PT 15.00 ppbv 24hr Graph
In-Situ El Rio - Rio Mesa School #2 (AN087) 2021-01-16 10:00 PT 29.00 ppbv 24hr Graph
In-Situ Auburn (AN833) 2021-01-16 09:00 PT 20.00 ppbv 24hr Graph
In-Situ Santa Cruz AMS (AN844) 2021-01-16 10:00 PT 13.00 ppbv 24hr Graph
In-Situ Hollister AMS (AN846) 2021-01-16 10:00 PT 19.00 ppbv 24hr Graph