Air Quality in Northbrook, United States

Windy
8.4°C · 72.7% humidity
8.4°
Feels 1.5°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 4pm
0
0
50 7pm
36
26
20 10pm
15
11
9 1am
7
5
4 4am
4
3
3 7am
3
2
0 10am
0
0
0 1pm
2
2
Station readings 16h ago
AQI 6
PM2.5 1.4 µg/m³ · 16h ago
CAMS model adj -25
25
25
25
25
25
25
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
27
27
AD 728×90

Air Quality Index Trend

27h · 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. Current PM2.5 concentration in Northbrook is 2.4× the WHO annual guideline of 5 µg/m³.

72.7%
Humidity
102.0 km/h
Wind NNE
1028.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
12.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Northbrook?

Temperature & Precipitation

PM2.5 Trend

27h · 1 station
PM2.512.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
12.0
Median
10.4
Average
6.5
Low
17.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -6.0

What is the 7-day forecast for Northbrook?

05-29
24.6° 7.8°
05-30
20.5° 10.9°
0.13 mm
05-31
19.2° 13.8°
0.13 mm
06-01
25.5° 13.2°
0.31 mm
06-02
19.7° 13.1°
6.0 mm
06-03
26.1° 18.0°
06-04
16.4° 12.2°
Both models agree Avg diff: 5.0°C

Where are air quality stations near Northbrook?

46
Northbrk, Illinois, USA
2.8 km PM2.5: 11.0 µg/m³
13
Northbrk, Illinois, USA
2.8 km PM2.5: 3.1 µg/m³
18
Edison Park 1
12.9 km PM2.5: 4.4 µg/m³
23
Edison Park 2
13.9 km PM2.5: 5.5 µg/m³
23
Forest Glen 1
14.3 km PM2.5: 5.4 µg/m³
20
Forest Glen 2
14.9 km PM2.5: 4.9 µg/m³
22
Norwood Park 1
15.3 km PM2.5: 5.3 µg/m³
23
Norwood Park 2
15.5 km PM2.5: 5.5 µg/m³
23
Norwood Park 3
15.8 km PM2.5: 5.6 µg/m³
21
West Ridge 1
15.8 km PM2.5: 5.1 µg/m³

What cities are near Northbrook?

50 Deerfield 51 Highland Park 39 Glenview 43 Wheeling 37 Prospect Heights 35 Morton Grove 42 Wilmette 42 Buffalo Grove 33 Mount Prospect 29 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 2026-05-29T00:11 UTC.