Stay updated with real-time air quality in Essex, 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)
28
Good
Essex, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.91 μg/m³
0
55
155
255
425
605+
29.95 ppb
0
55
71
86
201
201+
0.11 ppb
0
36
76
186
605
1005+
5.38 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Essex, Maryland
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AQI 28
Good
2.50μg/m³
PM2.5
7.58μg/m³
PM10
29.66ppb
O3
0.14ppb
SO2
5.24ppb
NO2
0.22ppm
CO
AQI 28
Good
2.29μg/m³
PM2.5
6.61μg/m³
PM10
29.79ppb
O3
0.14ppb
SO2
5.32ppb
NO2
0.22ppm
CO
AQI 28
Good
2.80μg/m³
PM2.5
9.31μg/m³
PM10
29.55ppb
O3
0.15ppb
SO2
5.18ppb
NO2
0.22ppm
CO
AQI 28
Good
2.80μg/m³
PM2.5
9.31μg/m³
PM10
29.55ppb
O3
0.15ppb
SO2
5.18ppb
NO2
0.22ppm
CO
AQI 28
Good
2.90μg/m³
PM2.5
10.20μg/m³
PM10
29.67ppb
O3
0.17ppb
SO2
5.26ppb
NO2
0.22ppm
CO
AQI 28
Good
3.06μg/m³
PM2.5
11.32μg/m³
PM10
29.58ppb
O3
0.19ppb
SO2
5.26ppb
NO2
0.22ppm
CO
Air quality data and pollutant measurements for Maryland, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Essex, Maryland is updated every hour.
The worst air quality in Essex, Maryland in the last 24 hours was observed at 07:00:00 on 2026-06-07.
In the last 24 hrs, the best air quality in Essex, Maryland was observed at 10:00:00 on 2026-06-08.
The current air quality in Essex, Maryland is 28, categorized as Good based on real-time data.
The most common pollutant in Essex, Maryland is O3.
If the air quality in Essex, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Essex, Maryland is 1.851 μg/m3.
The current PM10 concentration at Essex, Maryland is 3.91 μg/m3.
The current carbon monoxide (CO) concentration at Essex, Maryland is 0.22 ppm.
The current sulfur dioxide (SO2) concentration at Essex, Maryland is 0.109 ppb.
The current ozone (O3) concentration at Essex, Maryland is 29.947 ppm.
The current nitrogen dioxide (NO2) concentration at Essex, Maryland is 5.38 ppb.
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