Canada Smoke: Arlington Heights, Chicago Area Air Quality Index Exceeds 200 for Suspended Particles

Smoke Forecast: 250+ PM2.5 Here Smoke and haze conditions worsened Tuesday, June 27, 2023 with the EPA reporting a Suspended particulate matter (SPM) or fine particles, designated PM2.5, with a diameter of 2.5 μm or [...] SEE CARDINAL NEWS >