Stay updated with real-time air quality in Midlothian, 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)
66
Moderate
Midlothian, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
74.23 μg/m³
0
55
155
255
425
605+
31.76 ppb
0
55
71
86
201
201+
2.59 ppb
0
36
76
186
605
1005+
3.30 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Midlothian, Illinois
Midlothian, Illinois
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AQI 67
Moderate
17.64μg/m³
PM2.5
78.34μg/m³
PM10
33.24ppb
O3
2.89ppb
SO2
2.60ppb
NO2
0.20ppm
CO
AQI 71
Moderate
19.58μg/m³
PM2.5
86.53μg/m³
PM10
32.65ppb
O3
3.23ppb
SO2
2.56ppb
NO2
0.20ppm
CO
AQI 67
Moderate
17.95μg/m³
PM2.5
79.24μg/m³
PM10
33.86ppb
O3
3.08ppb
SO2
2.58ppb
NO2
0.20ppm
CO
AQI 67
Moderate
17.52μg/m³
PM2.5
77.80μg/m³
PM10
34.42ppb
O3
2.84ppb
SO2
2.60ppb
NO2
0.20ppm
CO
AQI 67
Moderate
17.79μg/m³
PM2.5
78.97μg/m³
PM10
34.98ppb
O3
2.85ppb
SO2
2.59ppb
NO2
0.20ppm
CO
AQI 73
Moderate
20.66μg/m³
PM2.5
91.12μg/m³
PM10
31.77ppb
O3
3.41ppb
SO2
2.54ppb
NO2
0.20ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Midlothian, Illinois are available every hour.
Midlothian, Illinois experienced its worst air quality at 07:00:00, 2026-08-23.
The best air quality in Midlothian, Illinois was observed at 03:00:00 on 2026-08-23.
The air quality in Midlothian, Illinois right now is Moderate, with an AQI of 66.
In Midlothian, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Midlothian, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Midlothian, Illinois currently has a PM2.5 concentration of 16.81 μg/m3.
Midlothian, Illinois currently has a PM10 concentration of 74.23 μg/m3.
The current carbon monoxide (CO) level in Midlothian, Illinois is 0.204 ppm.
The current sulfur dioxide (SO2) concentration in Midlothian, Illinois is 2.588 ppb.
Midlothian, Illinois currently has an ozone (O3) concentration of 31.763 ppm.
The current level of nitrogen dioxide (NO2) in Midlothian, Illinois is 3.299 ppb.
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