Stay updated with real-time air quality in Havre De Grace, 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)
30
Good
Havre De Grace, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.46 μg/m³
0
55
155
255
425
605+
31.52 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
18.73 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Havre De Grace, Maryland
Havre De Grace, Maryland
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AQI 30
Good
5.28μg/m³
PM2.5
24.46μg/m³
PM10
31.52ppb
O3
0.47ppb
SO2
18.73ppb
NO2
0.28ppm
CO
AQI 38
Good
6.64μg/m³
PM2.5
24.74μg/m³
PM10
28.24ppb
O3
0.46ppb
SO2
17.63ppb
NO2
0.27ppm
CO
AQI 44
Good
7.65μg/m³
PM2.5
32.11μg/m³
PM10
28.11ppb
O3
0.36ppb
SO2
16.18ppb
NO2
0.18ppm
CO
AQI 38
Good
7.48μg/m³
PM2.5
22.87μg/m³
PM10
27.95ppb
O3
0.46ppb
SO2
18.77ppb
NO2
0.18ppm
CO
AQI 38
Good
6.73μg/m³
PM2.5
30.00μg/m³
PM10
27.97ppb
O3
0.37ppb
SO2
17.50ppb
NO2
0.18ppm
CO
AQI 31
Good
4.49μg/m³
PM2.5
19.82μg/m³
PM10
34.05ppb
O3
0.50ppb
SO2
16.00ppb
NO2
0.32ppm
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 Havre De Grace, Maryland are available every hour.
Havre De Grace, Maryland experienced its worst air quality at 02:00:00, 2026-01-22.
The best air quality in Havre De Grace, Maryland was observed at 07:00:00 on 2026-01-22.
The air quality in Havre De Grace, Maryland right now is Good, with an AQI of 30.
In Havre De Grace, Maryland, O3 is the most frequently found pollutant.
When air quality in Havre De Grace, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.
Havre De Grace, Maryland currently has a PM2.5 concentration of 5.277 μg/m3.
Havre De Grace, Maryland currently has a PM10 concentration of 24.465 μg/m3.
The current carbon monoxide (CO) level in Havre De Grace, Maryland is 0.276 ppm.
The current sulfur dioxide (SO2) concentration in Havre De Grace, Maryland is 0.471 ppb.
Havre De Grace, Maryland currently has an ozone (O3) concentration of 31.521 ppm.
The current level of nitrogen dioxide (NO2) in Havre De Grace, Maryland is 18.73 ppb.
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