Air Quality in Downers Grove, United States

Windy
29.8°C · 35.5% humidity
29.8°
Feels 29.8°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
55 stations

Nearby Monitoring Stations

AQI Forecast
25 12pm
25
25
58 3pm
49
42
36 6pm
33
33
31 9pm
30
29
27 12am
26
35
67 3am
83
84
84 6am
83
54
83 9am
84
146
AD 728×90

Air Quality Index Trend

48h · 8 stn

Downers Grove's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Downers Grove is 1.0× the WHO 24-hour guideline of 15 µg/m³.

35.5%
Humidity
53.2 km/h
Wind ENE
1014.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
58
15.15 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Downers Grove?

Temperature & Precipitation

PM2.5 Trend

48h · 8 stations
PM2.515.15 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (55 stations within 25 km)
15.15
Median
15.24
Average
11.91
Low
29.47
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -5.4

What is the 7-day forecast for Downers Grove?

07-21
29.8° 22.9°
1.0 mm
07-22
26.3° 20.8°
07-23
24.0° 17.9°
3.44 mm
07-24
29.5° 18.8°
07-25
24.8° 18.8°
0.19 mm
07-26
27.7° 22.3°
2.87 mm
07-27
27.8° 20.7°
0.69 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Downers Grove?

56
Garfield Ridge 4
17.6 km PM2.5: 14.6 µg/m³
58
Clearing 1
17.8 km PM2.5: 15.6 µg/m³
55
Garfield Ridge 3
19.0 km PM2.5: 13.8 µg/m³
56
Garfield Ridge 2
19.9 km PM2.5: 14.4 µg/m³
58
Clearing 2
20.2 km PM2.5: 15.5 µg/m³
52
Schiller Park Collocation 2
20.7 km PM2.5: 12.8 µg/m³
59
Schiller Park Collocation 1
20.7 km PM2.5: 16.0 µg/m³
55
Schiller Park Collocation 3
20.7 km PM2.5: 13.9 µg/m³
55
Austin 6
21.0 km PM2.5: 13.9 µg/m³
52
O'Hare 3
21.3 km PM2.5: 12.7 µg/m³

What cities are near Downers Grove?

58 Westmont 55 Lisle 58 Hinsdale 56 Woodridge 56 Lombard 55 Glen Ellyn 56 Villa Park 54 Wheaton 55 Naperville 56 Elmhurst
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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 2026-07-21T20:52 UTC.