Stay updated with real-time air quality in Parkville, 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)
41
Good
Parkville, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.24 μg/m³
0
55
155
255
425
605+
44.04 ppb
0
55
71
86
201
201+
0.15 ppb
0
36
76
186
605
1005+
4.74 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Parkville, Maryland
Parkville, Maryland
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AQI 43
Good
3.94μg/m³
PM2.5
16.96μg/m³
PM10
45.83ppb
O3
0.21ppb
SO2
3.38ppb
NO2
0.18ppm
CO
AQI 42
Good
4.58μg/m³
PM2.5
19.18μg/m³
PM10
45.02ppb
O3
0.21ppb
SO2
3.73ppb
NO2
0.18ppm
CO
AQI 42
Good
4.58μg/m³
PM2.5
19.18μg/m³
PM10
45.02ppb
O3
0.21ppb
SO2
3.73ppb
NO2
0.18ppm
CO
AQI 42
Good
3.19μg/m³
PM2.5
13.70μg/m³
PM10
45.18ppb
O3
0.22ppb
SO2
4.59ppb
NO2
0.18ppm
CO
AQI 42
Good
4.69μg/m³
PM2.5
19.50μg/m³
PM10
45.04ppb
O3
0.20ppb
SO2
3.89ppb
NO2
0.18ppm
CO
AQI 41
Good
4.25μg/m³
PM2.5
18.19μg/m³
PM10
43.68ppb
O3
0.21ppb
SO2
3.86ppb
NO2
0.18ppm
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 Parkville, Maryland is updated every hour for accuracy.
In the past 24 hours, the air quality in Parkville, Maryland was at its worst at 02:00:00 on 2026-09-04.
In the last 24 hours, the best air quality in Parkville, Maryland was observed at 09:00:00 on 2026-09-04.
As of now, the AQI in Parkville, Maryland is 43, indicating Good conditions.
Parkville, Maryland air has the highest levels of O3.
Poor air quality in Parkville, Maryland means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Parkville, Maryland are currently 3.941 μg/m3.
The PM10 concentration in Parkville, Maryland is 16.958 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Parkville, Maryland is 0.179 ppm.
Currently, Parkville, Maryland has a sulfur dioxide (SO2) concentration of 0.215 ppb.
The current ozone (O3) level in Parkville, Maryland at the moment is 45.827 ppm.
Nitrogen dioxide (NO2) level in Parkville, Maryland at the moment is 3.378 ppb.
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