Stay updated with real-time air quality in Melrose 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)
56
Moderate
Melrose Park, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.16 μg/m³
0
55
155
255
425
605+
2.65 ppb
0
55
71
86
201
201+
2.10 ppb
0
36
76
186
605
1005+
23.90 ppb
0
54
101
361
1250
2050+
0.46 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Melrose Park, Illinois
Melrose Park, Illinois
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AQI 54
Moderate
11.25μg/m³
PM2.5
50.42μg/m³
PM10
6.65ppb
O3
1.09ppb
SO2
21.24ppb
NO2
0.42ppm
CO
AQI 54
Moderate
11.16μg/m³
PM2.5
49.75μg/m³
PM10
7.17ppb
O3
1.08ppb
SO2
21.17ppb
NO2
0.41ppm
CO
AQI 54
Moderate
11.35μg/m³
PM2.5
50.09μg/m³
PM10
4.26ppb
O3
1.08ppb
SO2
21.81ppb
NO2
0.42ppm
CO
AQI 56
Moderate
11.51μg/m³
PM2.5
49.92μg/m³
PM10
5.74ppb
O3
1.07ppb
SO2
21.72ppb
NO2
0.41ppm
CO
AQI 54
Moderate
11.05μg/m³
PM2.5
48.15μg/m³
PM10
7.72ppb
O3
1.05ppb
SO2
21.38ppb
NO2
0.39ppm
CO
AQI 54
Moderate
11.22μg/m³
PM2.5
48.96μg/m³
PM10
7.75ppb
O3
1.05ppb
SO2
21.25ppb
NO2
0.39ppm
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 Melrose Park, Illinois is updated every hour for accuracy.
In the past 24 hours, the air quality in Melrose Park, Illinois was at its worst at 08:00:00 on 2026-10-09.
In the last 24 hours, the best air quality in Melrose Park, Illinois was observed at 07:00:00 on 2026-10-08.
As of now, the AQI in Melrose Park, Illinois is 54, indicating Moderate conditions.
Melrose Park, Illinois air has the highest levels of PM2.5.
Poor air quality in Melrose Park, Illinois means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Melrose Park, Illinois are currently 11.319 μg/m3.
The PM10 concentration in Melrose Park, Illinois is 49.567 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Melrose Park, Illinois is 0.409 ppm.
Currently, Melrose Park, Illinois has a sulfur dioxide (SO2) concentration of 1.074 ppb.
The current ozone (O3) level in Melrose Park, Illinois at the moment is 5.891 ppm.
Nitrogen dioxide (NO2) level in Melrose Park, Illinois at the moment is 21.622 ppb.
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