Site | State | PM AQI* (ug/m3) |
East St. Louis | IL | 29 |
Copper View | UT | 23 |
Hidden Valley | AZ | 21 |
Susanville-478-250 Alta Dr | CA | 20 |
East High School | OH | 18 |
Broadus | MT | 18 |
Klamath-551 Terwer Riffle Rd | CA | 16 |
San Pablo - Rumrill | CA | 15 |
Kingery Near-road #1 | IL | 15 |
Glendora - Laurel | CA | 15 |