Air Quality in Northbrook, United States

Cloudy
18.9°C · 85.6% humidity
18.9°
Feels 18.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
68 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
33 5am
13
13
28 8am
33
24
27 11am
29
30
31 2pm
31
32
12 5pm
12
6
33 8pm
33
33
33 11pm
45
45
45 2am
45
45
Station readings
93
CAMS model adj -21
54
34
34
66
66
54
54
54
54
54
54
54
34
34
27
54
54
54
54
66
66
66
66
66
AD 728×90

Air Quality Index Trend

11h · 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.

85.6%
Humidity
6.0 km/h
Wind NE
1015.9 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.77 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Northbrook?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station
PM2.56.77 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (68 stations within 25 km)
6.77
Median
6.62
Average
1.89
Low
32.23
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +6.1

What is the 7-day forecast for Northbrook?

09-05
20.9° 18.9°
09-06
26.2° 14.9°
0.06 mm
09-07
23.5° 19.5°
3.62 mm
09-08
22.0° 14.0°
10.87 mm
09-09
26.4° 18.3°
1.13 mm
09-10
25.1° 17.4°
0.44 mm
09-11
23.5° 16.6°
0.88 mm
Both models agree Avg diff: 5.6°C

Where are air quality stations near Northbrook?

26
Northbrk, Illinois, USA
2.8 km PM2.5: 6.2 µg/m³
23
Desplns, Illinois, USA
8.0 km PM2.5: 5.5 µg/m³
20
Desplns, Illinois, USA
8.0 km PM2.5: 4.8 µg/m³
21
Edison Park 1
12.9 km PM2.5: 5.1 µg/m³
30
Edison Park 2
13.9 km PM2.5: 7.3 µg/m³
26
Forest Glen 1
14.3 km PM2.5: 6.3 µg/m³
28
Norwood Park 1
15.3 km PM2.5: 6.8 µg/m³
29
Norwood Park 2
15.5 km PM2.5: 7.0 µg/m³
26
Norwood Park 3
15.8 km PM2.5: 6.2 µg/m³
8
West Ridge 1
15.8 km PM2.5: 1.9 µg/m³

What cities are near Northbrook?

27 Deerfield 28 Highland Park 26 Glenview 25 Wheeling 25 Prospect Heights 26 Morton Grove 26 Wilmette 25 Buffalo Grove 25 Mount Prospect 25 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 2026-09-05T13:59 UTC.