Monitoring Sites Map Air Quality Index (AQI) 1 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