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)
73
Moderate
Northbrook, Ohio
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
21.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
82.36 μg/m³
0
55
155
255
425
605+
19.71 ppb
0
55
71
86
201
201+
1.30 ppb
0
36
76
186
605
1005+
9.99 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Northbrook, Ohio
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AQI 75
Moderate
22.01μg/m³
PM2.5
85.09μg/m³
PM10
19.33ppb
O3
1.33ppb
SO2
10.60ppb
NO2
0.32ppm
CO
AQI 77
Moderate
23.05μg/m³
PM2.5
81.44μg/m³
PM10
18.49ppb
O3
1.44ppb
SO2
11.30ppb
NO2
0.32ppm
CO
AQI 73
Moderate
21.31μg/m³
PM2.5
73.39μg/m³
PM10
21.84ppb
O3
1.27ppb
SO2
10.85ppb
NO2
0.27ppm
CO
AQI 77
Moderate
22.83μg/m³
PM2.5
89.19μg/m³
PM10
19.31ppb
O3
1.39ppb
SO2
11.24ppb
NO2
0.33ppm
CO
AQI 71
Moderate
19.54μg/m³
PM2.5
82.21μg/m³
PM10
20.54ppb
O3
1.16ppb
SO2
8.83ppb
NO2
0.30ppm
CO
AQI 75
Moderate
22.04μg/m³
PM2.5
54.51μg/m³
PM10
21.32ppb
O3
1.34ppb
SO2
9.54ppb
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 02:00:00, 2025-12-08.
The best air quality in Northbrook, Ohio was observed at 10:00:00 on 2025-12-07.
The air quality in Northbrook, Ohio right now is Moderate, with an AQI of 73.
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 21.266 μg/m3.
Northbrook, Ohio currently has a PM10 concentration of 82.36 μg/m3.
The current carbon monoxide (CO) level in Northbrook, Ohio is 0.307 ppm.
The current sulfur dioxide (SO2) concentration in Northbrook, Ohio is 1.305 ppb.
Northbrook, Ohio currently has an ozone (O3) concentration of 19.713 ppm.
The current level of nitrogen dioxide (NO2) in Northbrook, Ohio is 9.995 ppb.
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