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)
27
Good
Norridge, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.80 μg/m³
0
55
155
255
425
605+
18.12 ppb
0
55
71
86
201
201+
0.75 ppb
0
36
76
186
605
1005+
6.16 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Norridge, Illinois
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AQI 22
Good
4.42μg/m³
PM2.5
19.09μg/m³
PM10
16.11ppb
O3
0.75ppb
SO2
5.32ppb
NO2
0.15ppm
CO
AQI 27
Good
4.51μg/m³
PM2.5
19.72μg/m³
PM10
16.34ppb
O3
0.76ppb
SO2
5.69ppb
NO2
0.15ppm
CO
AQI 27
Good
4.55μg/m³
PM2.5
19.93μg/m³
PM10
16.34ppb
O3
0.76ppb
SO2
5.81ppb
NO2
0.15ppm
CO
AQI 22
Good
4.49μg/m³
PM2.5
19.44μg/m³
PM10
16.55ppb
O3
0.75ppb
SO2
5.43ppb
NO2
0.15ppm
CO
AQI 27
Good
4.61μg/m³
PM2.5
19.89μg/m³
PM10
18.84ppb
O3
0.74ppb
SO2
5.70ppb
NO2
0.15ppm
CO
AQI 27
Good
4.60μg/m³
PM2.5
19.81μg/m³
PM10
19.23ppb
O3
0.75ppb
SO2
5.87ppb
NO2
0.15ppm
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 05:00:00 on 2026-03-08.
In the last 24 hrs, the best air quality in Norridge, Illinois was observed at 02:00:00 on 2026-03-09.
The current air quality in Norridge, Illinois is 27, 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 4.692 μg/m3.
The current PM10 concentration at Norridge, Illinois is 20.796 μg/m3.
The current carbon monoxide (CO) concentration at Norridge, Illinois is 0.154 ppm.
The current sulfur dioxide (SO2) concentration at Norridge, Illinois is 0.753 ppb.
The current ozone (O3) concentration at Norridge, Illinois is 18.118 ppm.
The current nitrogen dioxide (NO2) concentration at Norridge, Illinois is 6.159 ppb.
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