Air Quality in Cook, United States
Right now
No air quality recorded here in the last 24 hours.
The most recent data we hold from AIRNOW arrived 59 minutes ago. We record detections, not passes: an absence is not proof that nothing is there.
1 — recorded here, since 29 May 2026
No events recorded in the last 30 days. Most recent: 29 May 2026 (101 days ago).
By month
- March 20265
- April 20268
- May 202610
- July 20268
- August 20262
May 2026 is the most active month of the 5 in our series here, with 10 events.
Hazards recorded here
Recent events
- Unhealthy for Sensitive Groups Air Quality — Chicago29 May 202600:00 UTClowCS 14