Monitoring Sites Map Air Quality Index (AQI) 5 AM (MST)

Good

Moderate

Unhealthy for Sensitive Groups

Unhealthy

Very Unhealthy

Hazardous

AQI Unavailable

Note: APCD real-time monitoring network is set to run on Mountain Standard Time (MST) year-round
Not shown are non real-time sites which use filter samples (which require laboratory analysis)
Air Quality Index (AQI) values not validated. Please visit the EPA for validated data
AQI health statements
Site information and abbreviations