Stay updated with real-time air quality in Bartlett, 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)
54
Moderate
Bartlett, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
49.54 μg/m³
0
55
155
255
425
605+
42.50 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
4.00 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Bartlett, Illinois
Bartlett, Illinois
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AQI 54
Moderate
11.18μg/m³
PM2.5
47.03μg/m³
PM10
44.31ppb
O3
0.53ppb
SO2
5.89ppb
NO2
0.16ppm
CO
AQI 54
Moderate
11.18μg/m³
PM2.5
47.03μg/m³
PM10
44.31ppb
O3
0.53ppb
SO2
5.89ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.10μg/m³
PM2.5
44.97μg/m³
PM10
45.87ppb
O3
0.52ppb
SO2
5.29ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.11μg/m³
PM2.5
47.36μg/m³
PM10
43.70ppb
O3
0.53ppb
SO2
6.00ppb
NO2
0.16ppm
CO
AQI 54
Moderate
10.96μg/m³
PM2.5
47.45μg/m³
PM10
43.94ppb
O3
0.52ppb
SO2
5.92ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.09μg/m³
PM2.5
44.95μg/m³
PM10
45.87ppb
O3
0.52ppb
SO2
5.30ppb
NO2
0.16ppm
CO
Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Bartlett, Illinois is updated on an hourly basis.
The worst air quality in Bartlett, Illinois was recorded at 01:00:00 on 2026-04-23.
The best air quality in Bartlett, Illinois was recorded at 06:00:00 on 2026-04-23.
The real-time air quality index in Bartlett, Illinois is 52, currently categorized as Moderate.
The most common pollutant in Bartlett, Illinois is PM2.5.
If the air quality in Bartlett, Illinois is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Bartlett, Illinois at present are 10.109 μg/m3.
The current PM10 levels in Bartlett, Illinois are 44.838 μg/m3.
The current carbon monoxide (CO) level in Bartlett, Illinois is 0.158 ppm.
The current sulfur dioxide (SO2) levels in Bartlett, Illinois are 0.524 ppb.
The current ozone (O3) levels at Bartlett, Illinois is 45.093 ppm.
The current nitrogen dioxide (NO2) levels at Bartlett, Illinois is 5.236 ppb.
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