Stay updated with real-time air quality in Randallstown, 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)
38
Good
Randallstown, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.57 μg/m³
0
55
155
255
425
605+
40.87 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
7.12 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Randallstown, Maryland
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AQI 37
Good
3.99μg/m³
PM2.5
11.75μg/m³
PM10
40.50ppb
O3
0.28ppb
SO2
7.53ppb
NO2
0.18ppm
CO
AQI 38
Good
3.94μg/m³
PM2.5
11.75μg/m³
PM10
40.56ppb
O3
0.28ppb
SO2
7.45ppb
NO2
0.18ppm
CO
AQI 38
Good
4.23μg/m³
PM2.5
14.36μg/m³
PM10
41.20ppb
O3
0.29ppb
SO2
6.92ppb
NO2
0.18ppm
CO
AQI 38
Good
3.97μg/m³
PM2.5
11.82μg/m³
PM10
40.52ppb
O3
0.28ppb
SO2
7.44ppb
NO2
0.18ppm
CO
AQI 38
Good
4.23μg/m³
PM2.5
13.39μg/m³
PM10
41.09ppb
O3
0.28ppb
SO2
7.03ppb
NO2
0.18ppm
CO
AQI 54
Moderate
11.14μg/m³
PM2.5
46.44μg/m³
PM10
41.46ppb
O3
0.31ppb
SO2
4.24ppb
NO2
0.17ppm
CO
The air quality data for Maryland, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Randallstown, Maryland are available every hour.
Randallstown, Maryland experienced its worst air quality at 05:00:00, 2026-03-09.
The best air quality in Randallstown, Maryland was observed at 02:00:00 on 2026-03-09.
The air quality in Randallstown, Maryland right now is Good, with an AQI of 38.
In Randallstown, Maryland, O3 is the most frequently found pollutant.
When air quality in Randallstown, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.
Randallstown, Maryland currently has a PM2.5 concentration of 4.042 μg/m3.
Randallstown, Maryland currently has a PM10 concentration of 12.569 μg/m3.
The current carbon monoxide (CO) level in Randallstown, Maryland is 0.181 ppm.
The current sulfur dioxide (SO2) concentration in Randallstown, Maryland is 0.284 ppb.
Randallstown, Maryland currently has an ozone (O3) concentration of 40.872 ppm.
The current level of nitrogen dioxide (NO2) in Randallstown, Maryland is 7.124 ppb.
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