Stay updated with real-time air quality in Reisterstown, 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)
33
Good
Reisterstown, Maryland
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.69 μg/m³
0
55
155
255
425
605+
31.97 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
6.39 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Reisterstown, Maryland
Reisterstown, Maryland
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AQI 44
Good
8.26μg/m³
PM2.5
37.72μg/m³
PM10
3.01ppb
O3
0.78ppb
SO2
14.68ppb
NO2
0.52ppm
CO
AQI 44
Good
8.03μg/m³
PM2.5
38.07μg/m³
PM10
2.66ppb
O3
0.76ppb
SO2
14.22ppb
NO2
0.51ppm
CO
AQI 44
Good
7.97μg/m³
PM2.5
37.46μg/m³
PM10
2.73ppb
O3
0.77ppb
SO2
14.51ppb
NO2
0.51ppm
CO
AQI 49
Good
8.79μg/m³
PM2.5
27.03μg/m³
PM10
7.37ppb
O3
0.58ppb
SO2
12.79ppb
NO2
0.50ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
37.85μg/m³
PM10
2.67ppb
O3
0.77ppb
SO2
14.26ppb
NO2
0.52ppm
CO
AQI 44
Good
7.98μg/m³
PM2.5
37.90μg/m³
PM10
2.66ppb
O3
0.75ppb
SO2
14.09ppb
NO2
0.51ppm
CO
Air quality and pollutant data for Maryland, 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 Reisterstown, Maryland is updated every hour for accuracy.
In the past 24 hours, the air quality in Reisterstown, Maryland was at its worst at 02:00:00 on 2025-10-21.
In the last 24 hours, the best air quality in Reisterstown, Maryland was observed at 02:00:00 on 2025-10-21.
As of now, the AQI in Reisterstown, Maryland is 33, indicating Good conditions.
Reisterstown, Maryland air has the highest levels of PM2.5.
Poor air quality in Reisterstown, Maryland means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Reisterstown, Maryland are currently 5.821 μg/m3.
The PM10 concentration in Reisterstown, Maryland is 24.687 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Reisterstown, Maryland is 0.197 ppm.
Currently, Reisterstown, Maryland has a sulfur dioxide (SO2) concentration of 0.291 ppb.
The current ozone (O3) level in Reisterstown, Maryland at the moment is 31.972 ppm.
Nitrogen dioxide (NO2) level in Reisterstown, Maryland at the moment is 6.392 ppb.
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