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)
52
Moderate
Northbrook, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.99 μg/m³
0
55
155
255
425
605+
49.93 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
23.11 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Northbrook, Ohio
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AQI 66
Moderate
16.61μg/m³
PM2.5
64.44μg/m³
PM10
51.20ppb
O3
1.69ppb
SO2
25.45ppb
NO2
0.37ppm
CO
AQI 60
Moderate
13.55μg/m³
PM2.5
57.28μg/m³
PM10
52.00ppb
O3
1.71ppb
SO2
27.56ppb
NO2
0.38ppm
CO
AQI 46
Good
7.82μg/m³
PM2.5
33.13μg/m³
PM10
49.81ppb
O3
1.85ppb
SO2
20.24ppb
NO2
0.33ppm
CO
AQI 69
Moderate
18.65μg/m³
PM2.5
77.23μg/m³
PM10
51.68ppb
O3
1.69ppb
SO2
26.80ppb
NO2
0.38ppm
CO
AQI 67
Moderate
18.38μg/m³
PM2.5
59.02μg/m³
PM10
49.62ppb
O3
1.65ppb
SO2
22.19ppb
NO2
0.35ppm
CO
AQI 52
Moderate
10.45μg/m³
PM2.5
28.34μg/m³
PM10
52.82ppb
O3
1.80ppb
SO2
21.99ppb
NO2
0.34ppm
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 03:00:00, 2026-10-22.
The best air quality in Northbrook, Ohio was observed at 01:00:00 on 2026-10-22.
The air quality in Northbrook, Ohio right now is Moderate, with an AQI of 52.
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 9.768 μg/m3.
Northbrook, Ohio currently has a PM10 concentration of 34.991 μg/m3.
The current carbon monoxide (CO) level in Northbrook, Ohio is 0.357 ppm.
The current sulfur dioxide (SO2) concentration in Northbrook, Ohio is 0.889 ppb.
Northbrook, Ohio currently has an ozone (O3) concentration of 49.928 ppm.
The current level of nitrogen dioxide (NO2) in Northbrook, Ohio is 23.107 ppb.
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