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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.59 μg/m³
0
55
155
255
425
605+
51.20 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
3.28 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Elkridge, Maryland
Elkridge, Maryland
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AQI 47
Good
4.02μg/m³
PM2.5
17.53μg/m³
PM10
51.13ppb
O3
0.32ppb
SO2
3.34ppb
NO2
0.12ppm
CO
AQI 46
Good
4.55μg/m³
PM2.5
19.27μg/m³
PM10
50.02ppb
O3
0.25ppb
SO2
3.55ppb
NO2
0.14ppm
CO
AQI 45
Good
3.80μg/m³
PM2.5
25.08μg/m³
PM10
49.03ppb
O3
0.29ppb
SO2
2.97ppb
NO2
0.14ppm
CO
AQI 46
Good
2.90μg/m³
PM2.5
12.60μg/m³
PM10
50.27ppb
O3
0.35ppb
SO2
2.81ppb
NO2
0.11ppm
CO
AQI 45
Good
4.34μg/m³
PM2.5
18.62μg/m³
PM10
49.20ppb
O3
0.26ppb
SO2
4.78ppb
NO2
0.14ppm
CO
AQI 48
Good
4.64μg/m³
PM2.5
20.50μg/m³
PM10
52.25ppb
O3
0.31ppb
SO2
2.43ppb
NO2
0.13ppm
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 Elkridge, Maryland is updated every hour for accuracy.
In the past 24 hours, the air quality in Elkridge, Maryland was at its worst at 02:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Elkridge, Maryland was observed at 01:00:00 on 2026-07-23.
As of now, the AQI in Elkridge, Maryland is 47, indicating Good conditions.
Elkridge, Maryland air has the highest levels of O3.
Poor air quality in Elkridge, Maryland means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Elkridge, Maryland are currently 4.029 μg/m3.
The PM10 concentration in Elkridge, Maryland is 17.59 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Elkridge, Maryland is 0.124 ppm.
Currently, Elkridge, Maryland has a sulfur dioxide (SO2) concentration of 0.315 ppb.
The current ozone (O3) level in Elkridge, Maryland at the moment is 51.202 ppm.
Nitrogen dioxide (NO2) level in Elkridge, Maryland at the moment is 3.282 ppb.
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