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)
60
Moderate
Mount Prospect, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.48 μg/m³
0
55
155
255
425
605+
18.01 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
6.39 ppb
0
54
101
361
1250
2050+
0.15 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 62
Moderate
14.65μg/m³
PM2.5
58.86μg/m³
PM10
15.47ppb
O3
0.49ppb
SO2
8.05ppb
NO2
0.19ppm
CO
AQI 60
Moderate
14.19μg/m³
PM2.5
61.62μg/m³
PM10
17.06ppb
O3
0.53ppb
SO2
8.33ppb
NO2
0.19ppm
CO
AQI 62
Moderate
15.14μg/m³
PM2.5
65.92μg/m³
PM10
15.68ppb
O3
0.49ppb
SO2
7.99ppb
NO2
0.19ppm
CO
AQI 60
Moderate
14.34μg/m³
PM2.5
58.83μg/m³
PM10
17.01ppb
O3
0.53ppb
SO2
8.37ppb
NO2
0.19ppm
CO
AQI 62
Moderate
15.04μg/m³
PM2.5
64.01μg/m³
PM10
15.82ppb
O3
0.48ppb
SO2
7.83ppb
NO2
0.19ppm
CO
AQI 60
Moderate
14.38μg/m³
PM2.5
54.72μg/m³
PM10
15.32ppb
O3
0.49ppb
SO2
8.07ppb
NO2
0.19ppm
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 04:00:00 on 2025-12-10.
In the last 24 hours, the best air quality in Mount Prospect, Illinois was observed at 08:00:00 on 2025-12-09.
As of now, the AQI in Mount Prospect, Illinois is 60, 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 13.515 μg/m3.
The PM10 concentration in Mount Prospect, Illinois is 57.477 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mount Prospect, Illinois is 0.151 ppm.
Currently, Mount Prospect, Illinois has a sulfur dioxide (SO2) concentration of 0.542 ppb.
The current ozone (O3) level in Mount Prospect, Illinois at the moment is 18.01 ppm.
Nitrogen dioxide (NO2) level in Mount Prospect, Illinois at the moment is 6.391 ppb.
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