Stay updated with real-time air quality in Mays Chapel, 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)
74
Moderate
Mays Chapel, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.08 μg/m³
0
55
155
255
425
605+
61.95 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
10.25 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Mays Chapel, Maryland
Mays Chapel, Maryland
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AQI 74
Moderate
7.45μg/m³
PM2.5
31.80μg/m³
PM10
61.84ppb
O3
0.54ppb
SO2
9.56ppb
NO2
0.16ppm
CO
AQI 74
Moderate
6.89μg/m³
PM2.5
30.43μg/m³
PM10
61.99ppb
O3
0.54ppb
SO2
10.13ppb
NO2
0.16ppm
CO
AQI 71
Moderate
8.43μg/m³
PM2.5
35.38μg/m³
PM10
61.38ppb
O3
0.55ppb
SO2
8.57ppb
NO2
0.16ppm
CO
AQI 74
Moderate
6.82μg/m³
PM2.5
31.94μg/m³
PM10
62.36ppb
O3
0.55ppb
SO2
17.77ppb
NO2
0.16ppm
CO
AQI 74
Moderate
6.79μg/m³
PM2.5
32.00μg/m³
PM10
62.30ppb
O3
0.55ppb
SO2
17.71ppb
NO2
0.16ppm
CO
AQI 74
Moderate
7.10μg/m³
PM2.5
32.99μg/m³
PM10
62.05ppb
O3
0.55ppb
SO2
15.57ppb
NO2
0.16ppm
CO
Air quality data and pollutant measurements for Maryland, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Mays Chapel, Maryland is updated every hour.
The worst air quality in Mays Chapel, Maryland in the last 24 hours was observed at 09:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Mays Chapel, Maryland was observed at 01:00:00 on 2026-04-23.
The current air quality in Mays Chapel, Maryland is 74, categorized as Moderate based on real-time data.
The most common pollutant in Mays Chapel, Maryland is O3.
If the air quality in Mays Chapel, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Mays Chapel, Maryland is 7.108 μg/m3.
The current PM10 concentration at Mays Chapel, Maryland is 31.082 μg/m3.
The current carbon monoxide (CO) concentration at Mays Chapel, Maryland is 0.16 ppm.
The current sulfur dioxide (SO2) concentration at Mays Chapel, Maryland is 0.538 ppb.
The current ozone (O3) concentration at Mays Chapel, Maryland is 61.945 ppm.
The current nitrogen dioxide (NO2) concentration at Mays Chapel, Maryland is 10.25 ppb.
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