| Added | AQSID | Geocode Name | Site Name | AQI Value | State | Country | Reporting? | Located? |
|---|---|---|---|---|---|---|---|---|
| March 6, 2021, 7:31 a.m. | 060595001 | La Habra (Des Moines) | La Habra | 34.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 040170119 | Holbrook (Old Hunt Rd) | Petrified Forest NP | 32.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 040137022 | Mesa (N Stapley Dr) | LEHI | 32.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 220050004 | Geismar (H Armond Rd) | Dutchtown | 28.0 | LA | US | True | True |
| March 6, 2021, 7:31 a.m. | 260990009 | New Haven (Pembrooke Ave) | NEW HAVEN | 38.0 | MI | US | True | True |
| March 6, 2021, 7:31 a.m. | 482031079 | Marshall (Red Oak Rd) | Hallsville Red Oak Road | None | TX | US | False | True |
| March 6, 2021, 7:31 a.m. | 000055501 | Frelighsburg (Chemin De … | Frelighsburg | 36.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 080770017 | Grand Jct (S 7th St) | Grand Junction - Powell … | 20.0 | CO | US | True | True |
| March 6, 2021, 7:31 a.m. | 000081001 | Swift Current (S Service… | SPEEDY CREEK | 26.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 040078000 | Miami (Cypress Way) | Miami Golf Course | None | AZ | US | False | True |
| March 6, 2021, 7:31 a.m. | 220330013 | Zachary (Port Hudson-Pri… | Pride | 34.0 | LA | US | True | True |
| March 6, 2021, 7:31 a.m. | 320310020 | Reno (E Reno) | South Reno | 48.0 | NV | US | True | True |
| March 6, 2021, 7:31 a.m. | 210150003 | Burlington (Beaver Rd) | EASTBND | 22.0 | KY | US | True | True |
| March 6, 2021, 7:31 a.m. | 510130020 | Arlington (Aurora Highla… | AURORA HILLS | 34.0 | VA | US | True | True |
| March 6, 2021, 7:31 a.m. | 482450022 | Hamshire (Hall Rd) | Hamshire C64 | 37.0 | TX | US | True | True |
| March 6, 2021, 7:31 a.m. | 060431001 | Yosemite National Park (… | Yosemite Village - Visit… | 60.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 490494001 | Lindon (Battle Creek) | Lindon | 17.0 | UT | US | True | True |
| March 6, 2021, 7:31 a.m. | 840060374010 | N Hollywood (N Hollywood) | North Holywood | 54.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 210130002 | Middlesboro (Paramount) | MIDAIR | 57.0 | KY | US | True | True |
| March 6, 2021, 7:31 a.m. | 190130009 | Waterloo (Highland) | Waterloo, Water Tower | 53.0 | IA | US | True | True |
| March 6, 2021, 7:31 a.m. | 840TT1820003 | Kamiah (Apple Lane) | Kamiah | 34.0 | N/A | US | True | True |
| March 6, 2021, 7:31 a.m. | 170310001 | Alsip (Howes Landing Boa… | ALSIP | 45.0 | IL | US | True | True |
| March 6, 2021, 7:31 a.m. | 180970087 | Indianapolis (Near Eside) | Indpls - I-70 E | 23.0 | IN | US | True | True |
| March 6, 2021, 7:31 a.m. | 120118002 | Dania (N Ocean Dr) | DANIA_BEACH | 47.0 | FL | US | True | True |
| March 6, 2021, 7:31 a.m. | 060270025 | Death Valley (California… | Shell Cut | 11.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 150032004 | Pearl City (Manana Ahupu… | Pearl City | 5.0 | HI | US | True | True |
| March 6, 2021, 7:31 a.m. | 170890005 | Elgin (Dundee Ave) | ELGIN | 0.0 | IL | US | True | True |
| March 6, 2021, 7:31 a.m. | 061010004 | Sutter (Pass Rd) | Sutter Buttes (seasonal) | None | CA | US | False | True |
| March 6, 2021, 7:31 a.m. | 020201004 | Eagle Riv (Eagle Riv) | Parkgate (Eagle River) | 6.0 | AK | US | True | True |
| March 6, 2021, 7:31 a.m. | 131390003 | Gainesville (New Holland) | Gainesville | 23.0 | GA | US | True | True |
| March 6, 2021, 7:31 a.m. | 840410390101 | Eugene (Santa Clara) | Eugene - Wilkes Dr. | 10.0 | OR | US | True | True |
| March 6, 2021, 7:31 a.m. | 000040203 | Saint John (Forest Hills) | FOREST HILLS | 33.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 270031001 | E Bethel (Fawn Lake Dr N… | East Bethel | 23.0 | MN | US | True | True |
| March 6, 2021, 7:31 a.m. | 040151003 | Bullhead City (Davis Dam) | Bullhead City | 19.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 550270001 | Horicon (N Palmatory St) | Horicon Wildlife Area | 54.0 | WI | US | True | True |
| March 6, 2021, 7:31 a.m. | 040030011 | Douglas (W Paul Spur Rd) | Paul Spur Chemical Lime … | 16.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 060798005 | Shandon (Gillis Cyn Rd) | Redhills/Shandon | 36.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 482010069 | Houston (Park Place) | Houston Milby Park C169 | None | TX | US | False | True |
| March 6, 2021, 7:31 a.m. | 160010014 | Boise (Downtown) | Boise Eastman | 4.0 | ID | US | True | True |
| March 6, 2021, 7:31 a.m. | 340410007 | Knowlton (Delaware Rd) | Columbia | 35.0 | NJ | US | True | True |
| March 6, 2021, 7:31 a.m. | 840484531619 | Austin (Holly) | East Austin C1619 | 30.0 | TX | US | True | True |
| March 6, 2021, 7:31 a.m. | 060010015 | Pleasanton (Dougherty) | Pleasanton - Owens Ct. | 3.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 040190020 | Rillito (W Robinson St) | Rillito | 333.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 511970002 | Rural Retreat (Four Seas… | RURAL RETREAT | 38.0 | VA | US | True | True |
| March 6, 2021, 7:31 a.m. | 483550026 | Corpus Christi (Nwest) | Corpus Christi Tuloso C21 | 41.0 | TX | US | True | True |
| March 6, 2021, 7:31 a.m. | 401430235 | Tulsa (Eugene Field) | Tulsa 0235 | 0.0 | OK | US | True | True |
| March 6, 2021, 7:31 a.m. | 000103904 | British Columbia (Kitima… | KITIMAT WHITESAIL | 9.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 421010075 | Philadelphia (Torresdale) | TOR | 18.0 | PA | US | True | True |
| March 6, 2021, 7:31 a.m. | 040230004 | Nogales (E Hudgins St No… | Nogales Post Office | 23.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 550870009 | Appleton (E Crossing Mea… | APPLETON AAL | 37.0 | WI | US | True | True |
| March 6, 2021, 7:31 a.m. | 080050006 | Watkins (E Quincy Ave) | Aurora East | 39.0 | CO | US | True | True |
| March 6, 2021, 7:31 a.m. | 280590006 | Pascagoula (E Side) | PASCAGOULA | 40.0 | MS | US | True | True |
| March 6, 2021, 7:31 a.m. | 480610006 | Brownsville (Historic Di… | Brownsville C80 | None | TX | US | False | True |
| March 6, 2021, 7:31 a.m. | 320031502 | Las Vegas (Cultural Corr… | Casino Center | 38.0 | NV | US | True | True |
| March 6, 2021, 7:31 a.m. | 110010051 | Washington (Riv Terrace) | DCNearRoad | 6.0 | DC | US | True | True |
| March 6, 2021, 7:31 a.m. | 510410004 | Chesterfield (Spring Run… | BEACH ROAD | 25.0 | VA | US | True | True |
| March 6, 2021, 7:31 a.m. | 000064101 | Ontario (Algoma) | Algoma | 38.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 840410510003 | Portland (St.Johns) | Roosevelt High School | 15.0 | OR | US | True | True |
| March 6, 2021, 7:31 a.m. | 000102303 | Powell Riv (Joncas Place) | Powell River James T | 0.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 840530739992 | Maple Falls (Azure Way) | Maple Falls-Azure Way | 55.0 | WA | US | True | True |
| March 6, 2021, 7:31 a.m. | 840061079998 | Springville (California … | Springville | 60.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 060050002 | Jackson (Jackson DMV Off… | Jackson - Clinton | 21.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 310550019 | Omaha (Field Club) | NCORE | 33.0 | NE | US | True | True |
| March 6, 2021, 7:31 a.m. | 330150016 | Rye (Fairhill Manor) | Odiorne State Park | 36.0 | NH | US | True | True |
| March 6, 2021, 7:31 a.m. | 482010062 | Houston (Greater Hobby A… | Houston Monroe C406 | 26.0 | TX | US | True | True |
| March 6, 2021, 7:31 a.m. | 220470009 | Plaquemine (Belleview Dr) | Bayou Plaquemine | 35.0 | LA | US | True | True |
| March 6, 2021, 7:31 a.m. | 000040207 | Saint John (Saint John W) | SAINT JOHN WEST | 29.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 270531909 | Minneapolis (Marshall Te… | Minneapolis - Bottineau/… | 35.0 | MN | US | True | True |
| March 6, 2021, 7:31 a.m. | 271390505 | Shakopee (Shakopee Ave E) | Shakopee | 64.0 | MN | US | True | True |
| March 6, 2021, 7:31 a.m. | 482331073 | Borger (Fm 1559) | Borger FM 1559 | None | TX | US | False | True |
| March 6, 2021, 7:31 a.m. | 000100110 | Burnaby (Capitol Hill) | Kensington Park | 24.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 060650016 | Temecula (Borel Rd) | Temecula (Lake Skinner) | 44.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 483551024 | Corpus Christi (Central … | Corpus Christi Williams … | None | TX | US | False | True |
| March 6, 2021, 7:31 a.m. | 171971002 | Joliet (Idylside) | Joliet | 46.0 | IL | US | True | True |
| March 6, 2021, 7:31 a.m. | 530470013 | Omak (Okanogan-Omak E Rd) | Omak-Colville Tribe | 25.0 | WA | US | True | True |
| March 6, 2021, 7:31 a.m. | 300290047 | Kalispell (7th Ave E N) | Kalispell Flathead Elect… | 25.0 | MT | US | True | True |
| March 6, 2021, 7:31 a.m. | 511530009 | Gainesville (James S. Lo… | JAMES S. LONG PARK | 37.0 | VA | US | True | True |
| March 6, 2021, 7:31 a.m. | 840410390100 | Florence (Kingwood St) | Florence-Department of F… | 6.0 | OR | US | True | True |
| March 6, 2021, 7:31 a.m. | 050350005 | Marion (L H Polk Dr) | MARION | 29.0 | AR | US | True | True |
| March 6, 2021, 7:31 a.m. | 200910010 | Olathe (Morse) | Heritage Park | 54.0 | KS | US | True | True |
| March 6, 2021, 7:31 a.m. | 040132005 | Scottsdale (N Scottsdale) | Pinnacle Peak Club House | 43.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 400170101 | Yukon (Nwest 10th St) | Yukon | 24.0 | OK | US | True | True |
| March 6, 2021, 7:31 a.m. | 230090103 | Bar Harbor (Eagle Lake R… | Acadia NP - McFarland | 34.0 | ME | US | True | True |
| March 6, 2021, 7:31 a.m. | 410399004 | Cottage Grove (N 14th St) | Cottage Grove City Shops | 22.0 | OR | US | True | True |
| March 6, 2021, 7:31 a.m. | 450450015 | Greenville (Payne-Logan) | Greenville-ESC | 11.0 | SC | US | True | True |
| March 6, 2021, 7:31 a.m. | 480391016 | Lake Jackson (Lake Jacks… | Lake Jackson C1016 | 24.0 | TX | US | True | True |
| March 6, 2021, 7:31 a.m. | 220710012 | New Orleans (City Park) | City Park | 25.0 | LA | US | True | True |
| March 6, 2021, 7:31 a.m. | 511611004 | Roanoke (Gates Lane) | EAST VINTON ELEMENTARY S… | 37.0 | VA | US | True | True |
| March 6, 2021, 7:31 a.m. | 000010602 | Corner Brook (Kilrannock… | MacPherson Avenue - Corn… | 17.0 | CC | CA | True | True |
| March 6, 2021, 7:31 a.m. | 010731005 | Mc Calla (Townley Way) | MCADORY | 26.0 | AL | US | True | True |
| March 6, 2021, 7:31 a.m. | 530770015 | Toppenish (Ward Rd) | Toppenish-Yakama Tribe | 9.0 | WA | US | True | True |
| March 6, 2021, 7:31 a.m. | 530110022 | Yacolt (W Humphrey St) | Yacolt-Yacolt Rd | 18.0 | WA | US | True | True |
| March 6, 2021, 7:31 a.m. | 840240396431 | Princess Anne (Stewart N… | UMES Farm | 27.0 | MD | US | True | True |
| March 6, 2021, 7:31 a.m. | 060850002 | Gilroy (Hidden Glen) | Gilory - 9th Street | 33.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 160050004 | Pocatello (N Rio Vista R… | Pocatello STP | 3.0 | ID | US | True | True |
| March 6, 2021, 7:31 a.m. | 390950027 | Waterville (Carrington W… | Waterville | 31.0 | OH | US | True | True |
| March 6, 2021, 7:31 a.m. | GZ1010001 | Guangzhou Shi (广州大剧院) | Guangzhou | 50.0 | N/A | CH | True | True |
| March 6, 2021, 7:31 a.m. | 060970004 | Sebastopol (Gravenstein) | Sebastopol | 44.0 | CA | US | True | True |
| March 6, 2021, 7:31 a.m. | 040217001 | Sacaton (Pkwy Dr) | Sacaton | 12.0 | AZ | US | True | True |
| March 6, 2021, 7:31 a.m. | 000065401 | Belleville (Old E Hill) | Belleville | 36.0 | CC | CA | True | True |