Air Quality in Northbrook, United States

Partly Cloudy
23.1°C · 64.8% humidity
23.1°
Feels 23.1°
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
68 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
11 2pm
11
11
44 5pm
34
27
25 8pm
22
19
17 11pm
14
13
22 2am
53
70
71 5am
70
69
40 8am
69
70
132 11am
132
132
Station readings
18
8
CAMS model adj -14
25
25
25
25
24
24
27
27
27
27
25
25
34
66
83
84
84
83
54
83
84
146
146
146
AD 728×90

Air Quality Index Trend

45h · 1 stn

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

64.8%
Humidity
36.4 km/h
Wind NNE
1014.5 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
44
10.55 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Northbrook?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.510.55 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (68 stations within 25 km)
10.55
Median
11.51
Average
3.22
Low
20.76
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -3.5

What is the 7-day forecast for Northbrook?

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
Both models agree Avg diff: 3.8°C

Where are air quality stations near Northbrook?

69
Northbrk, Illinois, USA
2.8 km PM2.5: 20.7 µg/m³
38
Northbrk, Illinois, USA
2.8 km PM2.5: 9.1 µg/m³
35
Edison Park 1
12.9 km PM2.5: 8.3 µg/m³
52
Edison Park 2
13.9 km PM2.5: 12.4 µg/m³
45
Forest Glen 1
14.3 km PM2.5: 10.9 µg/m³
45
Forest Glen 2
14.9 km PM2.5: 10.8 µg/m³
48
Norwood Park 1
15.3 km PM2.5: 11.4 µg/m³
52
Norwood Park 2
15.5 km PM2.5: 12.8 µg/m³
51
Norwood Park 3
15.8 km PM2.5: 12.3 µg/m³
46
West Ridge 1
15.8 km PM2.5: 11.1 µg/m³

What cities are near Northbrook?

44 Deerfield 44 Highland Park 48 Glenview 45 Wheeling 46 Prospect Heights 48 Morton Grove 49 Wilmette 44 Buffalo Grove 47 Mount Prospect 46 Des Plaines
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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 2026-07-21T22:03 UTC.