The U.S. Environmental Protection Agency (EPA) collects data from hundreds of air quality monitors provided by state, local and Tribal air quality agencies, along with crowd-sourced data from air quality sensors. This data underpins the AirNow Fire and Smoke Map, which EPA developed in partnership with the U.S. Forest Service. (Source: EPA) Additional information New England Continues to Experience Poor Air Quality due to Smoke from Canadian Wildfires on Thursday June 8, 2023. (Source: EPA)