Stay updated with real-time air quality in Mount Prospect, 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)
39
Good
Mount Prospect, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.96 μg/m³
0
55
155
255
425
605+
42.37 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
5.11 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mount Prospect, Illinois
Mount Prospect, Illinois
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AQI 67
Moderate
18.25μg/m³
PM2.5
76.21μg/m³
PM10
44.70ppb
O3
0.50ppb
SO2
4.06ppb
NO2
0.18ppm
CO
AQI 66
Moderate
17.16μg/m³
PM2.5
68.57μg/m³
PM10
48.76ppb
O3
0.42ppb
SO2
4.11ppb
NO2
0.18ppm
CO
AQI 69
Moderate
19.46μg/m³
PM2.5
84.38μg/m³
PM10
43.09ppb
O3
0.49ppb
SO2
4.06ppb
NO2
0.18ppm
CO
AQI 66
Moderate
16.80μg/m³
PM2.5
68.68μg/m³
PM10
49.32ppb
O3
0.42ppb
SO2
4.12ppb
NO2
0.18ppm
CO
AQI 69
Moderate
18.94μg/m³
PM2.5
81.53μg/m³
PM10
42.50ppb
O3
0.46ppb
SO2
4.04ppb
NO2
0.18ppm
CO
AQI 67
Moderate
17.55μg/m³
PM2.5
71.32μg/m³
PM10
45.37ppb
O3
0.51ppb
SO2
4.07ppb
NO2
0.18ppm
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 Mount Prospect, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Mount Prospect, Illinois was at its worst at 01:00:00 on 2025-07-23.
In the last 24 hours, the best air quality in Mount Prospect, Illinois was observed at 11:00:00 on 2025-07-23.
As of now, the AQI in Mount Prospect, Illinois is 67, indicating Moderate conditions.
Mount Prospect, Illinois air has the highest levels of PM2.5.
Poor air quality in Mount Prospect, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Mount Prospect, Illinois are currently 18.185 μg/m3.
The PM10 concentration in Mount Prospect, Illinois is 78.137 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mount Prospect, Illinois is 0.212 ppm.
Currently, Mount Prospect, Illinois has a sulfur dioxide (SO2) concentration of 0.439 ppb.
The current ozone (O3) level in Mount Prospect, Illinois at the moment is 40.96 ppm.
Nitrogen dioxide (NO2) level in Mount Prospect, Illinois at the moment is 4.013 ppb.
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