Air Quality in Northbrook, United States

Windy
22.9°C · 46.8% humidity
22.9°
Feels 22.9°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 4pm
0
0
55 7pm
50
38
29 10pm
23
11
8 1am
13
11
10 4am
2
2
1 7am
1
1
0 10am
0
0
0 1pm
0
0
Station readings 4h ago
AQI 8
PM2.5 1.9 µg/m³ · 4h ago
CAMS model adj -59
54
54
54
54
66
66
66
66
54
54
66
66
66
54
54
54
24
25
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

24h · 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.

46.8%
Humidity
53.1 km/h
Wind ENE
1019.2 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
13.75 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Northbrook?

Temperature & Precipitation

PM2.5 Trend

24h · 1 station
PM2.513.75 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
13.75
Median
8.71
Average
2.42
Low
15.0
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +2.6

What is the 7-day forecast for Northbrook?

08-03
26.8° 18.9°
5.38 mm
08-04
32.0° 15.6°
0.19 mm
08-05
28.1° 16.6°
4.06 mm
08-06
33.3° 22.6°
0.06 mm
08-07
29.7° 19.6°
0.38 mm
08-08
32.4° 19.5°
4.69 mm
08-09
32.0° 24.2°
0.25 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Northbrook?

49
Northbrk, Illinois, USA
2.8 km PM2.5: 11.8 µg/m³
61
Northbrk, Illinois, USA
2.8 km PM2.5: 16.9 µg/m³
46
Desplns, Illinois, USA
8.0 km PM2.5: 11.0 µg/m³
49
Desplns, Illinois, USA
8.0 km PM2.5: 11.8 µg/m³
31
Edison Park 1
12.9 km PM2.5: 7.4 µg/m³
44
Edison Park 2
13.9 km PM2.5: 10.6 µg/m³
40
Forest Glen 1
14.3 km PM2.5: 9.6 µg/m³
41
Norwood Park 1
15.3 km PM2.5: 9.9 µg/m³
44
Norwood Park 2
15.5 km PM2.5: 10.5 µg/m³
42
Norwood Park 3
15.8 km PM2.5: 10.1 µg/m³

What cities are near Northbrook?

57 Deerfield 57 Highland Park 53 Glenview 57 Wheeling 57 Prospect Heights 50 Morton Grove 41 Wilmette 55 Buffalo Grove 56 Mount Prospect 56 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 2026-08-08T00:50 UTC.