Real-time air quality index in Westphalia, Maryland today
Stay updated with real-time air quality in Westphalia, 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)
47
Good
Westphalia, Maryland
Last updated: ... (Local time)
Common air pollutants in Westphalia, Maryland
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
23.89 μg/m³
0
55
155
255
425
605+
Ozone (O3)
50.77 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.30 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
3.52 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Westphalia, Maryland
Westphalia, Maryland
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Westphalia, Maryland air quality map: Real-time AQI near you
Air quality in nearby cities
Largo, Maryland
AQI 47
Good
5.44μg/m³
PM2.5
25.68μg/m³
PM10
51.26ppb
O3
0.32ppb
SO2
3.46ppb
NO2
0.17ppm
CO
Kettering, Maryland
AQI 47
Good
5.44μg/m³
PM2.5
25.68μg/m³
PM10
51.26ppb
O3
0.32ppb
SO2
3.46ppb
NO2
0.17ppm
CO
Brock Hall, Maryland
AQI 46
Good
4.86μg/m³
PM2.5
24.73μg/m³
PM10
50.29ppb
O3
0.30ppb
SO2
3.21ppb
NO2
0.16ppm
CO
Forestville, Maryland
AQI 47
Good
4.89μg/m³
PM2.5
22.02μg/m³
PM10
50.66ppb
O3
0.31ppb
SO2
4.26ppb
NO2
0.19ppm
CO
Lake Arbor, Maryland
AQI 48
Good
5.54μg/m³
PM2.5
25.87μg/m³
PM10
51.70ppb
O3
0.33ppb
SO2
3.22ppb
NO2
0.16ppm
CO
Summerfield, Maryland
AQI 48
Good
5.97μg/m³
PM2.5
26.36μg/m³
PM10
51.94ppb
O3
0.33ppb
SO2
3.71ppb
NO2
0.18ppm
CO
How accurate is Maryland, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Westphalia, Maryland updated?
Air quality data for Westphalia, Maryland is updated on an hourly basis.
When did Westphalia, Maryland experience the worst air quality in the last 24 hours?
The worst air quality in Westphalia, Maryland was recorded at 11:00:00 on 2026-07-22.
When did Westphalia, Maryland have its best air quality in the last 24 hours?
The best air quality in Westphalia, Maryland was recorded at 12:00:00 on 2026-07-23.
What is the real-time air quality index for Westphalia, Maryland?
The real-time air quality index in Westphalia, Maryland is 47, currently categorized as Good.
Which pollutant is found most often in Westphalia, Maryland?
The most common pollutant in Westphalia, Maryland is O3.
What can I do if the air quality in Westphalia, Maryland is poor?
If the air quality in Westphalia, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Westphalia, Maryland?
The measured PM2.5 levels in Westphalia, Maryland at present are 4.874 μg/m3.
What are the current PM10 levels at Westphalia, Maryland?
The current PM10 levels in Westphalia, Maryland are 23.89 μg/m3.
What are the current carbon monoxide (CO) levels at Westphalia, Maryland?
The current carbon monoxide (CO) level in Westphalia, Maryland is 0.17 ppm.
What are the current sulfur dioxide (SO2) levels at Westphalia, Maryland?
The current sulfur dioxide (SO2) levels in Westphalia, Maryland are 0.303 ppb.
What are the current ozone (O3) levels at Westphalia, Maryland?
The current ozone (O3) levels at Westphalia, Maryland is 50.765 ppm.
What are the current nitrogen dioxide (NO2) levels at Westphalia, Maryland?
The current nitrogen dioxide (NO2) levels at Westphalia, Maryland is 3.515 ppb.
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