Stay updated with real-time air quality in Northbrook, Ohio featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
38
Good
Northbrook, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.94 μg/m³
0
55
155
255
425
605+
14.67 ppb
0
55
71
86
201
201+
2.15 ppb
0
36
76
186
605
1005+
6.42 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Northbrook, Ohio
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AQI 38
Good
7.33μg/m³
PM2.5
29.46μg/m³
PM10
17.17ppb
O3
2.13ppb
SO2
6.86ppb
NO2
0.35ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
27.03μg/m³
PM10
22.48ppb
O3
2.13ppb
SO2
7.00ppb
NO2
0.35ppm
CO
AQI 38
Good
7.18μg/m³
PM2.5
28.00μg/m³
PM10
20.02ppb
O3
2.32ppb
SO2
5.78ppb
NO2
0.29ppm
CO
AQI 38
Good
6.99μg/m³
PM2.5
28.22μg/m³
PM10
20.79ppb
O3
2.12ppb
SO2
7.26ppb
NO2
0.36ppm
CO
AQI 44
Good
7.87μg/m³
PM2.5
33.58μg/m³
PM10
6.45ppb
O3
2.14ppb
SO2
6.15ppb
NO2
0.32ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
24.80μg/m³
PM10
19.66ppb
O3
2.25ppb
SO2
5.40ppb
NO2
0.28ppm
CO
The air quality data for Ohio, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Northbrook, Ohio are available every hour.
Northbrook, Ohio experienced its worst air quality at 07:00:00, 2026-09-07.
The best air quality in Northbrook, Ohio was observed at 06:00:00 on 2026-09-06.
The air quality in Northbrook, Ohio right now is Good, with an AQI of 38.
In Northbrook, Ohio, PM2.5 is the most frequently found pollutant.
When air quality in Northbrook, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.
Northbrook, Ohio currently has a PM2.5 concentration of 7.433 μg/m3.
Northbrook, Ohio currently has a PM10 concentration of 29.941 μg/m3.
The current carbon monoxide (CO) level in Northbrook, Ohio is 0.326 ppm.
The current sulfur dioxide (SO2) concentration in Northbrook, Ohio is 2.153 ppb.
Northbrook, Ohio currently has an ozone (O3) concentration of 14.671 ppm.
The current level of nitrogen dioxide (NO2) in Northbrook, Ohio is 6.424 ppb.
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