| Added | AQSID | Geocode Name | Site Name | AQI Value | State | Country | Reporting? | Located? |
|---|---|---|---|---|---|---|---|---|
| April 16, 2021, 1:42 p.m. | 350451005 | Waterflow (Rd 6893) | Substation | 37.0 | NM | US | True | True |
| April 16, 2021, 1:42 p.m. | 481130075 | Dallas (N Dallas) | Dallas North C63 | 22.0 | TX | US | True | True |
| April 16, 2021, 1:42 p.m. | 490495010 | Spanish Fork (W 2050 N S… | Spanish Fork | 29.0 | UT | US | True | True |
| April 16, 2021, 1:42 p.m. | 240170010 | Charlotte Hall (Enchante… | Southern Maryland | 21.0 | MD | US | True | True |
| April 16, 2021, 1:42 p.m. | 516500008 | Hampton (Langley Air For… | HAMPTON | 18.0 | VA | US | True | True |
| April 16, 2021, 1:42 p.m. | 170971007 | Zion (17th St) | ZION | 29.0 | IL | US | True | True |
| April 16, 2021, 1:42 p.m. | 191531579 | Polk City (Nwest 158th A… | SHELDAHL | 7.0 | IA | US | True | True |
| April 16, 2021, 1:42 p.m. | 410190002 | Roseburg (Edenbower) | Roseburg - Garden Valley… | 27.0 | OR | US | True | True |
| April 16, 2021, 1:42 p.m. | 330131006 | Suncook (Pleasant St) | Pembroke Exchange St | 2.0 | NH | US | True | True |
| April 16, 2021, 1:42 p.m. | 290970004 | Alba (Millwood Rd) | ALBA | 22.0 | MO | US | True | True |
| April 16, 2021, 1:42 p.m. | 550850996 | Rhinelander (Eagle St) | RHINELANDER | 0.0 | WI | US | True | True |
| April 16, 2021, 1:42 p.m. | 300310017 | W Yellowstone (W Entranc… | West Yellowstone Park En… | 3.0 | MT | US | True | True |
| April 16, 2021, 1:42 p.m. | 180890022 | Gary (Marquette Park/Mil… | Gary-IITRI | 26.0 | IN | US | True | True |
| April 16, 2021, 1:42 p.m. | 418LAO010001 | Hadxaifong (Embassy of t… | Vientiane | 83.0 | N/A | LA | True | True |
| April 16, 2021, 1:42 p.m. | 480290055 | San Antonio (Seast Side) | CPS Pecan Valley C678 | None | TX | US | False | True |
| April 16, 2021, 1:42 p.m. | 000060104 | Ottawa (Rideau-Vanier) | Ottawa | 34.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 484391002 | Fort Worth (Ross Ave) | Ft. Worth Northwest C13 | 13.0 | TX | US | True | True |
| April 16, 2021, 1:42 p.m. | 080310026 | Denver (Nwestern Denver) | La Casa NCORE - 4545 Nav… | 25.0 | CO | US | True | True |
| April 16, 2021, 1:42 p.m. | 120570083 | Rivview (Rivview Dr) | GARDINIER | 35.0 | FL | US | True | True |
| April 16, 2021, 1:42 p.m. | 530630047 | Spokane (N Hill) | Spokane-Monroe St. | 27.0 | WA | US | True | True |
| April 16, 2021, 1:42 p.m. | 280490021 | Jackson (Coleman Ave) | Hinds CC | 36.0 | MS | US | True | True |
| April 16, 2021, 1:42 p.m. | 000030701 | Melvern Square (Ben Phin… | AYLESFORD MOUNTAIN | 34.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 530150015 | Longview (Olympic E) | Longview-30th Ave | 20.0 | WA | US | True | True |
| April 16, 2021, 1:42 p.m. | 180910010 | La Porte (E Lincolnway) | LaPorte-E. Lincolnway | 25.0 | IN | US | True | True |
| April 16, 2021, 1:42 p.m. | 000129501 | Nwest Territories (Regio… | Snare Rapids | 28.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 060012001 | Hayward (Hayward Highlan… | Hayward | 35.0 | CA | US | True | True |
| April 16, 2021, 1:42 p.m. | 371830021 | Morrisville (Dan K Moore… | Triple Oak - Near Road | 37.0 | NC | US | True | True |
| April 16, 2021, 1:42 p.m. | 420810100 | Montoursville (Lymehurst) | Montoursville | 18.0 | PA | US | True | True |
| April 16, 2021, 1:42 p.m. | 370330001 | Reidsville (Friendly) | CHERRYGR | 25.0 | NC | US | True | True |
| April 16, 2021, 1:42 p.m. | 490353010 | Salt Lake City (Rose Par… | Rose Park | 28.0 | UT | US | True | True |
| April 16, 2021, 1:42 p.m. | 390350038 | Cleveland (Tremont) | St Theodosius | 0.0 | OH | US | True | True |
| April 16, 2021, 1:42 p.m. | 420850100 | Farrell (Sharon New Cast… | Farrell | 20.0 | PA | US | True | True |
| April 16, 2021, 1:42 p.m. | 190130009 | Waterloo (Highland) | Waterloo, Water Tower | 30.0 | IA | US | True | True |
| April 16, 2021, 1:42 p.m. | 060595001 | La Habra (Des Moines) | La Habra | 36.0 | CA | US | True | True |
| April 16, 2021, 1:42 p.m. | 040070008 | Payson (Fort Mcdonald) | Payson Well Site | 24.0 | AZ | US | True | True |
| April 16, 2021, 1:42 p.m. | 261630098 | Detroit (Mckinstry St) | DET POLICE 4TH | 17.0 | MI | US | True | True |
| April 16, 2021, 1:42 p.m. | 211110075 | Louisville (Camp Taylor) | Near Road | 50.0 | KY | US | True | True |
| April 16, 2021, 1:42 p.m. | 120210004 | Naples (Columbia Court) | Laurel Oaks Elementary | 21.0 | FL | US | True | True |
| April 16, 2021, 1:42 p.m. | 150012023 | Mtain View (Olaa Ahupua`… | Mountain View | 5.0 | HI | US | True | True |
| April 16, 2021, 1:42 p.m. | 121012001 | Holiday (Darlington Rd) | Holiday | 22.0 | FL | US | True | True |
| April 16, 2021, 1:42 p.m. | 420130801 | Altoona (Dutch Hill) | Altoona | 15.0 | PA | US | True | True |
| April 16, 2021, 1:42 p.m. | 060793001 | Morro Bay (Morro Bay Blv… | Morro Bay | None | CA | US | False | True |
| April 16, 2021, 1:42 p.m. | 120713002 | Fort Myers Beach (Big Jo… | Bay Oaks Park | 43.0 | FL | US | True | True |
| April 16, 2021, 1:42 p.m. | 271453052 | Saint Cloud (Seast) | St. Cloud | 25.0 | MN | US | True | True |
| April 16, 2021, 1:42 p.m. | 290470003 | Lawson (Ra Hwy) | Watkins Mill State Park | 19.0 | MO | US | True | True |
| April 16, 2021, 1:42 p.m. | 560390008 | Kelly (Ditch Creek Rd) | Grand Teton NP - Science… | 31.0 | WY | US | True | True |
| April 16, 2021, 1:42 p.m. | 840160550015 | Coeur D Alene (Nursery R… | Nursery Rd. | 30.0 | ID | US | True | True |
| April 16, 2021, 1:42 p.m. | 000065901 | Canada (Ontario) | Pickle Lake | 35.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 113490352005 | Midvale (Celeste) | Copper View | 24.0 | UT | US | True | True |
| April 16, 2021, 1:42 p.m. | 401210415 | Mcalester (Shuman Rd) | McAlester | 38.0 | OK | US | True | True |
| April 16, 2021, 1:42 p.m. | 160270002 | Nampa (1st St S) | Nampa Fire Station | 20.0 | ID | US | True | True |
| April 16, 2021, 1:42 p.m. | 080310028 | Denver (Nwestern Denver) | Globeville | 47.0 | CO | US | True | True |
| April 16, 2021, 1:42 p.m. | 000065201 | Parry Sound (Bay St) | Parry Sound | 21.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 060659001 | Lake Elsinore (N Elsinor… | Lake Elsinore - W. Flint… | 28.0 | CA | US | True | True |
| April 16, 2021, 1:42 p.m. | 080691004 | Fort Collins (Old Town W) | Fort Collins - CSU - 708… | 16.0 | CO | US | True | True |
| April 16, 2021, 1:42 p.m. | 840410270001 | Hood Riv (Tucker Rd) | Hood River West Side FD | 12.0 | OR | US | True | True |
| April 16, 2021, 1:42 p.m. | 181270026 | Valparaiso (Calumet Ave) | Valparaiso | 25.0 | IN | US | True | True |
| April 16, 2021, 1:42 p.m. | 480391016 | Lake Jackson (Lake Jacks… | Lake Jackson C1016 | 29.0 | TX | US | True | True |
| April 16, 2021, 1:42 p.m. | 371470006 | Greenville (New Hope Dr) | PITTAGCT | 22.0 | NC | US | True | True |
| April 16, 2021, 1:42 p.m. | 131150003 | Rome (Harold Dr Swest) | Rome | 10.0 | GA | US | True | True |
| April 16, 2021, 1:42 p.m. | 390170020 | Middletown (Yankee Rd) | Yankee Road | 0.0 | OH | US | True | True |
| April 16, 2021, 1:42 p.m. | 000064001 | Canada (Ontario) | Experimental Lakes | 31.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 450370001 | Trenton (Pine House Rd) | Trenton | 28.0 | SC | US | True | True |
| April 16, 2021, 1:42 p.m. | 390550004 | Chardon (Notre Dame - Ca… | Notre Dame | 23.0 | OH | US | True | True |
| April 16, 2021, 1:42 p.m. | 270052013 | Detroit Lakes (N Tower R… | Detroit Lakes | 38.0 | MN | US | True | True |
| April 16, 2021, 1:42 p.m. | 000020401 | Sampton (Cardigan Rd) | SOUTHAMPTON | 30.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 191770006 | Keosauqua (Jasmine Rd) | Lake Sugema | 53.0 | IA | US | True | True |
| April 16, 2021, 1:42 p.m. | 060250007 | Brawley (Main St) | Brawley - 220 Main Street | 38.0 | CA | US | True | True |
| April 16, 2021, 1:42 p.m. | 370750001 | Robbinsville (28771) | JOANBOLD | 36.0 | NC | US | True | True |
| April 16, 2021, 1:42 p.m. | 160850002 | Mccall (Mission St) | McCall | 0.0 | ID | US | True | True |
| April 16, 2021, 1:42 p.m. | 000061302 | Saint Catharines (Downto… | St. Catharines | 16.0 | CC | CA | True | True |
| April 16, 2021, 1:42 p.m. | 550210015 | Columbus (Wendt Rd) | COLUMBUS | 22.0 | WI | US | True | True |
| April 16, 2021, 1:42 p.m. | 450830011 | Spartanburg (Downtown) | TK Gregg | 34.0 | SC | US | True | True |
| April 16, 2021, 1:42 p.m. | 060170020 | Cool (American Riv Trl) | Cool (Seasonal) | None | CA | US | False | True |
| April 16, 2021, 1:42 p.m. | 060170011 | S Lake Tahoe (Tahoe Keys) | South Lake Tahoe - Sandy… | 8.0 | CA | US | True | True |
| April 16, 2021, 1:42 p.m. | 040170119 | Holbrook (Old Hunt Rd) | Petrified Forest NP | 35.0 | AZ | US | True | True |
| April 16, 2021, 1:42 p.m. | 840401439029 | Mounds (W 181st St S) | Muscogee (Creek) Nation | 25.0 | OK | US | True | True |
| April 16, 2021, 1:42 p.m. | 80011G016 | San Francisco Del Rincón… | Estaci¢n Pur¡sima del Ri… | 38.0 | MX | MX | True | True |
| April 16, 2021, 1:42 p.m. | 400430860 | Seiling (Co Rd) | Seiling | 55.0 | OK | US | True | True |
| April 16, 2021, 1:42 p.m. | 260810020 | Grand Rapids (Belknap Lo… | GRAND RAPIDS | 21.0 | MI | US | True | True |
| April 16, 2021, 1:42 p.m. | 061110007 | Thousand Oaks (Central T… | Thousand Oaks - Moorpark… | 46.0 | CA | US | True | True |
| April 16, 2021, 1:42 p.m. | 482450014 | Port Arthur (Grandview A… | Groves C119 | None | TX | US | False | True |
| April 16, 2021, 1:42 p.m. | 80011G011 | León De Los Aldama (Cora… | Estaci¢n T21 | 39.0 | MX | MX | True | True |
| April 16, 2021, 1:42 p.m. | 840530510008 | Newport (Pine St) | Newport-Calispel | 20.0 | WA | US | True | True |
| April 16, 2021, 1:42 p.m. | 482011015 | Baytown (Lynchburg Ferry… | Lynchburg Ferry C1015 | 17.0 | TX | US | True | True |
| April 16, 2021, 1:42 p.m. | 150010005 | Volcano (Keauhou Ahupua`… | Hawaii Volcanoes NP - Vi… | 0.0 | HI | US | True | True |
| April 16, 2021, 1:42 p.m. | 150090006 | Kihei (Hale Kai St) | Kihei, Maui | 9.0 | HI | US | True | True |
| April 16, 2021, 1:42 p.m. | 060710026 | Ontario (Fontana Gateway) | Ontario Near Road | 103.0 | CA | US | True | True |
| April 16, 2021, 1:42 p.m. | 350450009 | Bloomfield (N 1st St) | Bloomfield | 20.0 | NM | US | True | True |
| April 16, 2021, 1:42 p.m. | 170310076 | Chicago (Ashburn) | CHI_COM | 23.0 | IL | US | True | True |
| April 16, 2021, 1:42 p.m. | 261630033 | Dearborn (Salina) | DEARBORN | 15.0 | MI | US | True | True |
| April 16, 2021, 1:42 p.m. | 220330003 | Baton Rouge (LSU) | LSU | 25.0 | LA | US | True | True |
| April 16, 2021, 1:42 p.m. | 150030010 | Kapolei (Barbers Point) | Kapolei | 5.0 | HI | US | True | True |
| April 16, 2021, 1:42 p.m. | 481410037 | El Paso (Central) | El Paso UTEP C12 | 39.0 | TX | US | True | True |
| April 16, 2021, 1:42 p.m. | 470930021 | Mascot (E Knox Co Elemen… | EASTKNOX | 8.0 | TN | US | True | True |
| April 16, 2021, 1:42 p.m. | 061110008 | Simi Valley (Strathearn) | SIMIUA | None | CA | US | False | True |
| April 16, 2021, 1:42 p.m. | 290970003 | Carthage (W Juniper Rd) | CARTHAGE | 8.0 | MO | US | True | True |
| April 16, 2021, 1:42 p.m. | 211390003 | Smithland (Cumberland Rd) | SMITHLD | 11.0 | KY | US | True | True |
| April 16, 2021, 1:42 p.m. | 300870001 | Birney (Tongue Riv Rd) | Birney | 18.0 | MT | US | True | True |
| April 16, 2021, 1:42 p.m. | 840550250047 | Madison (Regent) | Madison University Ave | 20.0 | WI | US | True | True |