Stay updated with real-time air quality in Dover, Delaware 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)
67
Moderate
Dover, Delaware
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
18.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
80.84 μg/m³
0
55
155
255
425
605+
7.74 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
15.12 ppb
0
54
101
361
1250
2050+
0.65 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Dover, Delaware
Dover, Delaware
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AQI 62
Moderate
14.83μg/m³
PM2.5
73.06μg/m³
PM10
6.72ppb
O3
0.60ppb
SO2
17.17ppb
NO2
0.66ppm
CO
AQI 64
Moderate
16.39μg/m³
PM2.5
55.38μg/m³
PM10
6.62ppb
O3
0.59ppb
SO2
20.05ppb
NO2
0.65ppm
CO
AQI 75
Moderate
21.52μg/m³
PM2.5
93.72μg/m³
PM10
3.66ppb
O3
0.79ppb
SO2
17.17ppb
NO2
0.65ppm
CO
AQI 75
Moderate
21.82μg/m³
PM2.5
64.71μg/m³
PM10
2.14ppb
O3
0.92ppb
SO2
15.45ppb
NO2
0.71ppm
CO
AQI 73
Moderate
21.11μg/m³
PM2.5
93.06μg/m³
PM10
3.01ppb
O3
0.95ppb
SO2
12.15ppb
NO2
0.71ppm
CO
AQI 79
Moderate
23.60μg/m³
PM2.5
98.53μg/m³
PM10
3.76ppb
O3
0.79ppb
SO2
17.13ppb
NO2
0.66ppm
CO
Air quality data and pollutant measurements for Delaware, 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 Dover, Delaware is updated every hour.
The worst air quality in Dover, Delaware in the last 24 hours was observed at 04:00:00 on 2025-12-06.
In the last 24 hrs, the best air quality in Dover, Delaware was observed at 08:00:00 on 2025-12-06.
The current air quality in Dover, Delaware is 67, categorized as Moderate based on real-time data.
The most common pollutant in Dover, Delaware is PM2.5.
If the air quality in Dover, Delaware is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Dover, Delaware is 18.265 μg/m3.
The current PM10 concentration at Dover, Delaware is 80.843 μg/m3.
The current carbon monoxide (CO) concentration at Dover, Delaware is 0.652 ppm.
The current sulfur dioxide (SO2) concentration at Dover, Delaware is 0.607 ppb.
The current ozone (O3) concentration at Dover, Delaware is 7.74 ppm.
The current nitrogen dioxide (NO2) concentration at Dover, Delaware is 15.116 ppb.
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