Chicago PM2.5 AQI < 100 Jul 17-20, 2026

Name: Will Chicago's PM2.5 Air Quality Index be below 100 between July 17, 2026 and July 20, 2026 (inclusive), according to airnow.gov?
Start: 2026-07-19T11:01:27.330Z
End: 2026-07-20T23:59:00.000Z

Will Chicago's PM2.5 Air Quality Index be below 100 between July 17, 2026 and July 20, 2026 (inclusive), according to airnow.gov?

External market source

ACTIVE

YES68%

NO32%

Closes Jul 20, 2026, 7:59 PM ET