Air Quality in Des Plaines, United States

Windy
24.2°C · 65.5% humidity
24.2°
Feels 24.2°
56
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
110 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 12pm
20
13
56 3pm
44
35
28 6pm
23
23
21 9pm
19
18
15 12am
15
23
55 3am
72
72
72 6am
71
42
71 9am
72
134
Station readings
19
20
18
CAMS model adj -12
25
25
25
25
25
25
24
24
27
27
27
27
25
25
34
66
83
84
84
83
54
83
84
146
AD 728×90

Air Quality Index Trend

46h · 1 stn

Des Plaines's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

65.5%
Humidity
48.9 km/h
Wind ENE
1015.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
56
14.26 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

46h · 1 station
PM2.514.26 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
14.26
Median
14.92
Average
5.31
Low
29.32
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -4.5
07-21
25.5° 22.5°
0.88 mm
07-22
23.5° 21.3°
07-23
23.9° 18.8°
4.25 mm
07-24
25.5° 20.3°
07-25
22.2° 19.1°
0.19 mm
07-26
25.6° 22.7°
2.31 mm
07-27
25.6° 21.2°
4.25 mm
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:44 UTC.