Stay updated with real-time air quality in Machesney Park, 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)
117
Unhealthy for sensitive groups
Machesney Park, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
41.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
180.39 μg/m³
0
55
155
255
425
605+
21.34 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
6.00 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Machesney Park, Illinois
Machesney Park, Illinois
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AQI 115
Unhealthy for sensitive groups
40.82μg/m³
PM2.5
182.33μg/m³
PM10
37.03ppb
O3
0.70ppb
SO2
5.11ppb
NO2
0.31ppm
CO
AQI 105
Unhealthy for sensitive groups
37.28μg/m³
PM2.5
154.05μg/m³
PM10
34.58ppb
O3
0.70ppb
SO2
5.10ppb
NO2
0.31ppm
CO
AQI 115
Unhealthy for sensitive groups
41.29μg/m³
PM2.5
182.94μg/m³
PM10
42.76ppb
O3
0.71ppb
SO2
5.38ppb
NO2
0.31ppm
CO
AQI 90
Moderate
30.02μg/m³
PM2.5
100.35μg/m³
PM10
27.69ppb
O3
0.70ppb
SO2
5.01ppb
NO2
0.31ppm
CO
AQI 99
Moderate
34.72μg/m³
PM2.5
137.47μg/m³
PM10
43.01ppb
O3
0.74ppb
SO2
5.52ppb
NO2
0.31ppm
CO
AQI 132
Unhealthy for sensitive groups
47.20μg/m³
PM2.5
217.94μg/m³
PM10
44.46ppb
O3
0.68ppb
SO2
3.30ppb
NO2
0.30ppm
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 Machesney Park, Illinois are available every hour.
Machesney Park, Illinois experienced its worst air quality at 05:00:00, 2025-06-06.
The best air quality in Machesney Park, Illinois was observed at 12:00:00 on 2025-06-05.
The air quality in Machesney Park, Illinois right now is Unhealthy for Sensitive Groups, with an AQI of 117.
In Machesney Park, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Machesney Park, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Machesney Park, Illinois currently has a PM2.5 concentration of 41.536 μg/m3.
Machesney Park, Illinois currently has a PM10 concentration of 180.39 μg/m3.
The current carbon monoxide (CO) level in Machesney Park, Illinois is 0.318 ppm.
The current sulfur dioxide (SO2) concentration in Machesney Park, Illinois is 0.598 ppb.
Machesney Park, Illinois currently has an ozone (O3) concentration of 21.336 ppm.
The current level of nitrogen dioxide (NO2) in Machesney Park, Illinois is 6.003 ppb.
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