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)
64
Moderate
Deerfield, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.94 μg/m³
0
55
155
255
425
605+
45.38 ppb
0
55
71
86
201
201+
1.34 ppb
0
36
76
186
605
1005+
8.69 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Deerfield, Illinois
Deerfield, Illinois
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AQI 64
Moderate
16.14μg/m³
PM2.5
38.24μg/m³
PM10
46.15ppb
O3
1.71ppb
SO2
6.50ppb
NO2
0.26ppm
CO
AQI 64
Moderate
15.66μg/m³
PM2.5
38.62μg/m³
PM10
46.05ppb
O3
1.71ppb
SO2
6.51ppb
NO2
0.26ppm
CO
AQI 58
Moderate
13.01μg/m³
PM2.5
47.88μg/m³
PM10
44.54ppb
O3
1.78ppb
SO2
6.51ppb
NO2
0.26ppm
CO
AQI 62
Moderate
15.34μg/m³
PM2.5
47.21μg/m³
PM10
46.37ppb
O3
1.69ppb
SO2
6.71ppb
NO2
0.26ppm
CO
AQI 56
Moderate
11.60μg/m³
PM2.5
50.86μg/m³
PM10
45.36ppb
O3
1.58ppb
SO2
7.03ppb
NO2
0.27ppm
CO
AQI 58
Moderate
12.60μg/m³
PM2.5
47.19μg/m³
PM10
46.20ppb
O3
1.77ppb
SO2
6.52ppb
NO2
0.26ppm
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 02:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Deerfield, Illinois was observed at 03:00:00 on 2026-10-22.
As of now, the AQI in Deerfield, Illinois is 64, indicating Moderate 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 15.88 μg/m3.
The PM10 concentration in Deerfield, Illinois is 42.935 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Deerfield, Illinois is 0.26 ppm.
Currently, Deerfield, Illinois has a sulfur dioxide (SO2) concentration of 1.345 ppb.
The current ozone (O3) level in Deerfield, Illinois at the moment is 45.385 ppm.
Nitrogen dioxide (NO2) level in Deerfield, Illinois at the moment is 8.687 ppb.
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