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)
52
Moderate
Melrose Park, Illinois
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.71 μg/m³
0
55
155
255
425
605+
15.11 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
6.19 ppb
0
54
101
361
1250
2050+
0.18 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 52
Moderate
10.12μg/m³
PM2.5
45.43μg/m³
PM10
16.61ppb
O3
0.49ppb
SO2
6.36ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.14μg/m³
PM2.5
45.66μg/m³
PM10
16.05ppb
O3
0.48ppb
SO2
6.33ppb
NO2
0.18ppm
CO
AQI 44
Good
8.25μg/m³
PM2.5
36.63μg/m³
PM10
15.72ppb
O3
0.46ppb
SO2
6.20ppb
NO2
0.18ppm
CO
AQI 49
Good
8.64μg/m³
PM2.5
38.78μg/m³
PM10
15.39ppb
O3
0.45ppb
SO2
6.13ppb
NO2
0.18ppm
CO
AQI 49
Good
9.41μg/m³
PM2.5
42.69μg/m³
PM10
14.41ppb
O3
0.45ppb
SO2
6.11ppb
NO2
0.17ppm
CO
AQI 49
Good
9.17μg/m³
PM2.5
41.66μg/m³
PM10
13.27ppb
O3
0.45ppb
SO2
6.09ppb
NO2
0.17ppm
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 02:00:00 on 2026-04-27.
In the last 24 hours, the best air quality in Melrose Park, Illinois was observed at 03:00:00 on 2026-04-27.
As of now, the AQI in Melrose Park, Illinois is 52, 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 9.7 μg/m3.
The PM10 concentration in Melrose Park, Illinois is 43.708 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Melrose Park, Illinois is 0.177 ppm.
Currently, Melrose Park, Illinois has a sulfur dioxide (SO2) concentration of 0.465 ppb.
The current ozone (O3) level in Melrose Park, Illinois at the moment is 15.108 ppm.
Nitrogen dioxide (NO2) level in Melrose Park, Illinois at the moment is 6.192 ppb.
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