Mayfair Collocation 1 Air Quality
Monitoring Station
· Portage Park, United States
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
41
11pm
41
34
32
2am
32
32
32
5am
31
31
31
8am
31
31
31
11am
31
32
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
CAMS model
adj +7
34
34
27
25
25
25
25
24
24
24
24
24
24
24
25
Air Quality Forecast (24h)
PM2.58.9 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
26
Mayfair Collocation 2
32
Mayfair Collocation 3
25
Irving Park 1
27
Portage Park 2
23
North Park 3
27
Jefferson Park 2
62
Portage Park 3
26
Albany Park 3
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:54 UTC.