Phoenix Air Quality Index reaches Unhealthy for Sensitive Groups today

Alert: PM10 and PM2.5 High Pollution Advisories in effect for Phoenix on Thursday, December 19, 2024

Forecast Discussion

Unfortunately, PM10 and PM2.5 reached the Unhealthy for Sensitive Groups (USG) AQI category again yesterday. Today, we expect similar weather conditions. As a result, there is potential for both pollutants to reach the USG category again today. Therefore, we are issuing a PM10 and PM2.5 High Pollution Advisory for today.