Stay updated with real-time air quality in Niles, 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)
58
Moderate
Niles, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
56.89 μg/m³
0
55
155
255
425
605+
18.08 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
6.43 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Niles, Illinois
Niles, Illinois
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AQI 62
Moderate
14.57μg/m³
PM2.5
58.12μg/m³
PM10
15.49ppb
O3
0.48ppb
SO2
8.14ppb
NO2
0.19ppm
CO
AQI 62
Moderate
15.06μg/m³
PM2.5
65.27μg/m³
PM10
15.76ppb
O3
0.48ppb
SO2
8.00ppb
NO2
0.19ppm
CO
AQI 62
Moderate
14.60μg/m³
PM2.5
59.74μg/m³
PM10
15.65ppb
O3
0.47ppb
SO2
8.23ppb
NO2
0.19ppm
CO
AQI 62
Moderate
15.06μg/m³
PM2.5
67.62μg/m³
PM10
15.98ppb
O3
0.45ppb
SO2
8.28ppb
NO2
0.18ppm
CO
AQI 62
Moderate
15.02μg/m³
PM2.5
67.55μg/m³
PM10
16.15ppb
O3
0.46ppb
SO2
8.00ppb
NO2
0.18ppm
CO
AQI 62
Moderate
14.51μg/m³
PM2.5
56.17μg/m³
PM10
15.27ppb
O3
0.50ppb
SO2
8.09ppb
NO2
0.19ppm
CO
Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Niles, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Niles, Illinois was at its worst at 04:00:00 on 2025-12-10.
In the last 24 hours, the best air quality in Niles, Illinois was observed at 08:00:00 on 2025-12-09.
As of now, the AQI in Niles, Illinois is 58, indicating Moderate conditions.
Niles, Illinois air has the highest levels of PM2.5.
Poor air quality in Niles, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Niles, Illinois are currently 13.41 μg/m3.
The PM10 concentration in Niles, Illinois is 56.888 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Niles, Illinois is 0.151 ppm.
Currently, Niles, Illinois has a sulfur dioxide (SO2) concentration of 0.533 ppb.
The current ozone (O3) level in Niles, Illinois at the moment is 18.076 ppm.
Nitrogen dioxide (NO2) level in Niles, Illinois at the moment is 6.427 ppb.
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