Stay updated with real-time air quality in Chatham, 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)
21
Good
Chatham, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.89 μg/m³
0
55
155
255
425
605+
22.80 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
3.76 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chatham, Illinois
Chatham, Illinois
Scroll To Air Quality MapLoading...
AQI 22
Good
2.69μg/m³
PM2.5
20.31μg/m³
PM10
23.97ppb
O3
0.63ppb
SO2
1.62ppb
NO2
0.15ppm
CO
AQI 21
Good
3.00μg/m³
PM2.5
8.88μg/m³
PM10
22.73ppb
O3
0.69ppb
SO2
2.15ppb
NO2
0.16ppm
CO
AQI 22
Good
2.03μg/m³
PM2.5
10.63μg/m³
PM10
23.85ppb
O3
0.58ppb
SO2
1.55ppb
NO2
0.12ppm
CO
AQI 21
Good
2.96μg/m³
PM2.5
10.50μg/m³
PM10
22.62ppb
O3
0.59ppb
SO2
1.68ppb
NO2
0.11ppm
CO
AQI 21
Good
3.49μg/m³
PM2.5
15.97μg/m³
PM10
23.00ppb
O3
0.63ppb
SO2
2.32ppb
NO2
0.14ppm
CO
AQI 21
Good
3.13μg/m³
PM2.5
14.38μg/m³
PM10
23.21ppb
O3
0.57ppb
SO2
2.00ppb
NO2
0.16ppm
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 Chatham, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Chatham, Illinois was at its worst at 11:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in Chatham, Illinois was observed at 09:00:00 on 2025-10-22.
As of now, the AQI in Chatham, Illinois is 21, indicating Good conditions.
Chatham, Illinois air has the highest levels of O3.
Poor air quality in Chatham, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Chatham, Illinois are currently 2.66 μg/m3.
The PM10 concentration in Chatham, Illinois is 12.889 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chatham, Illinois is 0.138 ppm.
Currently, Chatham, Illinois has a sulfur dioxide (SO2) concentration of 0.326 ppb.
The current ozone (O3) level in Chatham, Illinois at the moment is 22.804 ppm.
Nitrogen dioxide (NO2) level in Chatham, Illinois at the moment is 3.756 ppb.
All Rights Reserved © Ambee Inc. 2025