Air Quality in Arizona
10-year air quality trends for 13 monitored areas in Arizona.
See full Arizona air quality rankings →All Monitored Areas in Arizona
Apache, Arizona
Apache County · AQI 13 (5yr avg) · Stable · PM10
Mohave, Arizona
Mohave County · AQI 17 (5yr avg) · Stable · PM10
Cochise, Arizona
Cochise County · AQI 45 (5yr avg) · Stable · Ozone
Yavapai, Arizona
Yavapai County · AQI 43 (5yr avg) · Stable · Ozone
Navajo, Arizona
Navajo County · AQI 44 (5yr avg) · Stable · Ozone
Coconino, Arizona
Coconino County · AQI 45 (5yr avg) · Stable · Ozone
La Paz, Arizona
La Paz County · AQI 45 (5yr avg) · Stable · Ozone
Santa Cruz, Arizona
Santa Cruz County · AQI 43 (5yr avg) · Worsening · PM2.5
Yuma, Arizona
Yuma County · AQI 48 (5yr avg) · Stable · Ozone
Gila, Arizona
Gila County · AQI 46 (5yr avg) · Stable · Ozone
Pima, Arizona
Pima County · AQI 53 (5yr avg) · Worsening · Ozone
Pinal, Arizona
Pinal County · AQI 66 (5yr avg) · Improving · PM10
Maricopa, Arizona
Maricopa County · AQI 90 (5yr avg) · Worsening · Ozone
Frequently Asked Questions
Arizona has 13 monitored areas with an average 5-year AQI of 46 and an average Air Quality Grade of C. 3 cities are improving, 7 are worsening, and 3 are stable.
Apache, Arizona has the best Air Quality Grade (A) in Arizona with a 5-year average AQI of 13.
Of 13 monitored areas in Arizona, 3 are showing improving trends, 7 are worsening, and 3 remain stable over the past decade.