Maricopa County air quality 3

https://desertstormhomespark.silverstonebrief.com/posts/desert-storm-home-maintenance-lessons-from-phoenix-s-rare-haboobs

Maricopa County's air quality often struggles with high ozone levels during the hot summer months, making it hard to breathe for some residents. Dust storms and particulate matter from vehicles also contribute to the haze. The Arizona Department of Environmental Quality issues alerts to help people plan outdoor activities.