Air Quality in Arlington Heights, United States

Windy
28.0°C · 46.0% humidity
28.0°
Feels 29.7°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
38 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
4 9am
4
4
53 12pm
39
29
22 3pm
17
13
10 6pm
8
9
8 9pm
8
7
5 12am
5
13
45 3am
62
63
63 6am
62
33
Station readings
3
1
8
CAMS model adj -21
25
25
25
25
25
25
25
25
25
24
24
27
27
27
27
25
25
34
66
83
84
84
83
54
AD 728×90

Air Quality Index Trend

44h · 1 stn

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

46.0%
Humidity
47.4 km/h
Wind ENE
1014.8 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
53
12.97 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Arlington Heights?

Temperature & Precipitation

PM2.5 Trend

44h · 1 station
PM2.512.97 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (38 stations within 25 km)
12.97
Median
13.11
Average
0.93
Low
16.78
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -5.9

What is the 7-day forecast for Arlington Heights?

07-21
28.0° 22.0°
1.13 mm
07-22
25.4° 18.7°
07-23
24.0° 17.4°
2.31 mm
07-24
28.4° 17.1°
07-25
23.3° 17.8°
0.44 mm
07-26
26.9° 21.0°
3.0 mm
07-27
26.9° 20.1°
3.81 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Arlington Heights?

42
Edison Park 1
16.0 km PM2.5: 10.1 µg/m³
23
Northbrk, Illinois, USA
16.0 km PM2.5: 5.5 µg/m³
53
Northbrk, Illinois, USA
16.0 km PM2.5: 13.1 µg/m³
31
Schiller Park Collocation 2
16.2 km PM2.5: 7.5 µg/m³
54
Schiller Park Collocation 1
16.2 km PM2.5: 13.6 µg/m³
45
Schiller Park Collocation 3
16.2 km PM2.5: 10.7 µg/m³
56
Edison Park 2
16.4 km PM2.5: 14.6 µg/m³
52
O'Hare 1
16.6 km PM2.5: 12.8 µg/m³
57
Norwood Park 6
17.2 km PM2.5: 15.0 µg/m³
48
O'Hare 2
17.2 km PM2.5: 11.4 µg/m³

What cities are near Arlington Heights?

52 Rolling Meadows 53 Prospect Heights 53 Mount Prospect 50 Palatine 52 Wheeling 46 Buffalo Grove 54 Elk Grove Village 53 Hoffman Estates 53 Des Plaines 53 Schaumburg
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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 2026-07-21T17:15 UTC.