Stay updated with real-time air quality in Deerfield, 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)
49
Good
Deerfield, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.95 μg/m³
0
55
155
255
425
605+
26.66 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
3.80 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Deerfield, Illinois
Deerfield, Illinois
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AQI 22
Good
3.56μg/m³
PM2.5
10.63μg/m³
PM10
22.37ppb
O3
0.55ppb
SO2
7.56ppb
NO2
0.15ppm
CO
AQI 22
Good
3.78μg/m³
PM2.5
11.97μg/m³
PM10
21.99ppb
O3
0.55ppb
SO2
7.54ppb
NO2
0.15ppm
CO
AQI 33
Good
5.52μg/m³
PM2.5
22.86μg/m³
PM10
18.62ppb
O3
0.55ppb
SO2
7.73ppb
NO2
0.15ppm
CO
AQI 22
Good
4.35μg/m³
PM2.5
16.39μg/m³
PM10
21.41ppb
O3
0.54ppb
SO2
7.51ppb
NO2
0.15ppm
CO
AQI 23
Good
4.12μg/m³
PM2.5
17.93μg/m³
PM10
25.02ppb
O3
0.53ppb
SO2
7.37ppb
NO2
0.15ppm
CO
AQI 33
Good
5.59μg/m³
PM2.5
23.42μg/m³
PM10
19.49ppb
O3
0.55ppb
SO2
7.70ppb
NO2
0.15ppm
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 Deerfield, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Deerfield, Illinois was at its worst at 08:00:00 on 2025-07-24.
In the last 24 hours, the best air quality in Deerfield, Illinois was observed at 08:00:00 on 2025-07-25.
As of now, the AQI in Deerfield, Illinois is 22, indicating Good conditions.
Deerfield, Illinois air has the highest levels of PM2.5.
Poor air quality in Deerfield, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Deerfield, Illinois are currently 4.355 μg/m3.
The PM10 concentration in Deerfield, Illinois is 15.596 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Deerfield, Illinois is 0.151 ppm.
Currently, Deerfield, Illinois has a sulfur dioxide (SO2) concentration of 0.549 ppb.
The current ozone (O3) level in Deerfield, Illinois at the moment is 21.096 ppm.
Nitrogen dioxide (NO2) level in Deerfield, Illinois at the moment is 7.629 ppb.
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