Stay updated with real-time air quality in Norridge, Illinois 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)
44
Good
Norridge, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.12 μg/m³
0
55
155
255
425
605+
22.27 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
2.84 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Norridge, Illinois
Norridge, Illinois
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AQI 49
Good
8.67μg/m³
PM2.5
37.85μg/m³
PM10
15.38ppb
O3
0.41ppb
SO2
3.24ppb
NO2
0.17ppm
CO
AQI 44
Good
8.24μg/m³
PM2.5
35.59μg/m³
PM10
19.05ppb
O3
0.42ppb
SO2
3.23ppb
NO2
0.18ppm
CO
AQI 44
Good
8.09μg/m³
PM2.5
34.85μg/m³
PM10
20.44ppb
O3
0.42ppb
SO2
3.23ppb
NO2
0.19ppm
CO
AQI 49
Good
8.75μg/m³
PM2.5
38.16μg/m³
PM10
16.88ppb
O3
0.42ppb
SO2
3.24ppb
NO2
0.17ppm
CO
AQI 44
Good
8.26μg/m³
PM2.5
34.78μg/m³
PM10
21.93ppb
O3
0.41ppb
SO2
3.25ppb
NO2
0.18ppm
CO
AQI 44
Good
8.06μg/m³
PM2.5
33.09μg/m³
PM10
23.23ppb
O3
0.41ppb
SO2
3.25ppb
NO2
0.18ppm
CO
Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Norridge, Illinois is updated every hour.
The worst air quality in Norridge, Illinois in the last 24 hours was observed at 08:00:00 on 2026-04-27.
In the last 24 hrs, the best air quality in Norridge, Illinois was observed at 03:00:00 on 2026-04-27.
The current air quality in Norridge, Illinois is 44, categorized as Good based on real-time data.
The most common pollutant in Norridge, Illinois is PM2.5.
If the air quality in Norridge, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Norridge, Illinois is 7.54 μg/m3.
The current PM10 concentration at Norridge, Illinois is 32.115 μg/m3.
The current carbon monoxide (CO) concentration at Norridge, Illinois is 0.185 ppm.
The current sulfur dioxide (SO2) concentration at Norridge, Illinois is 0.389 ppb.
The current ozone (O3) concentration at Norridge, Illinois is 22.27 ppm.
The current nitrogen dioxide (NO2) concentration at Norridge, Illinois is 2.844 ppb.
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