Stay updated with real-time air quality in Chillum, Maryland 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
Chillum, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
69.92 μg/m³
0
55
155
255
425
605+
35.26 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
9.39 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chillum, Maryland
Chillum, Maryland
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AQI 58
Moderate
13.11μg/m³
PM2.5
61.32μg/m³
PM10
37.41ppb
O3
0.43ppb
SO2
6.62ppb
NO2
0.17ppm
CO
AQI 56
Moderate
12.49μg/m³
PM2.5
57.69μg/m³
PM10
36.47ppb
O3
0.44ppb
SO2
7.74ppb
NO2
0.18ppm
CO
AQI 52
Moderate
9.77μg/m³
PM2.5
44.07μg/m³
PM10
33.48ppb
O3
0.45ppb
SO2
10.39ppb
NO2
0.19ppm
CO
AQI 58
Moderate
13.15μg/m³
PM2.5
61.55μg/m³
PM10
37.50ppb
O3
0.43ppb
SO2
6.55ppb
NO2
0.17ppm
CO
AQI 56
Moderate
12.05μg/m³
PM2.5
55.37μg/m³
PM10
35.50ppb
O3
0.43ppb
SO2
8.20ppb
NO2
0.17ppm
CO
AQI 54
Moderate
10.84μg/m³
PM2.5
49.38μg/m³
PM10
34.28ppb
O3
0.43ppb
SO2
9.20ppb
NO2
0.17ppm
CO
Air quality measurements for Maryland, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Chillum, Maryland is updated on an hourly basis.
The worst air quality in Chillum, Maryland was recorded at 05:00:00 on 2026-01-22.
The best air quality in Chillum, Maryland was recorded at 01:00:00 on 2026-01-22.
The real-time air quality index in Chillum, Maryland is 57, currently categorized as Moderate.
The most common pollutant in Chillum, Maryland is PM10.
If the air quality in Chillum, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Chillum, Maryland at present are 11.613 μg/m3.
The current PM10 levels in Chillum, Maryland are 68.193 μg/m3.
The current carbon monoxide (CO) level in Chillum, Maryland is 0.189 ppm.
The current sulfur dioxide (SO2) levels in Chillum, Maryland are 0.434 ppb.
The current ozone (O3) levels at Chillum, Maryland is 36.367 ppm.
The current nitrogen dioxide (NO2) levels at Chillum, Maryland is 7.527 ppb.
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