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)
64
Moderate
Dover, Delaware
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
41.73 μg/m³
0
55
155
255
425
605+
59.07 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
4.95 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Dover, Delaware
Dover, Delaware
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AQI 64
Moderate
9.53μg/m³
PM2.5
39.94μg/m³
PM10
58.95ppb
O3
0.35ppb
SO2
5.05ppb
NO2
0.24ppm
CO
AQI 67
Moderate
9.63μg/m³
PM2.5
22.55μg/m³
PM10
59.94ppb
O3
0.21ppb
SO2
4.49ppb
NO2
0.24ppm
CO
AQI 71
Moderate
8.54μg/m³
PM2.5
37.35μg/m³
PM10
60.52ppb
O3
0.31ppb
SO2
5.47ppb
NO2
0.23ppm
CO
AQI 74
Moderate
11.32μg/m³
PM2.5
33.87μg/m³
PM10
62.11ppb
O3
0.39ppb
SO2
3.69ppb
NO2
0.24ppm
CO
AQI 58
Moderate
8.64μg/m³
PM2.5
38.18μg/m³
PM10
57.13ppb
O3
0.53ppb
SO2
2.13ppb
NO2
0.24ppm
CO
AQI 67
Moderate
8.74μg/m³
PM2.5
37.60μg/m³
PM10
60.46ppb
O3
0.31ppb
SO2
5.78ppb
NO2
0.24ppm
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 03:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Dover, Delaware was observed at 12:00:00 on 2026-04-23.
The current air quality in Dover, Delaware is 64, categorized as Moderate based on real-time data.
The most common pollutant in Dover, Delaware is O3.
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 10.006 μg/m3.
The current PM10 concentration at Dover, Delaware is 41.73 μg/m3.
The current carbon monoxide (CO) concentration at Dover, Delaware is 0.238 ppm.
The current sulfur dioxide (SO2) concentration at Dover, Delaware is 0.231 ppb.
The current ozone (O3) concentration at Dover, Delaware is 59.071 ppm.
The current nitrogen dioxide (NO2) concentration at Dover, Delaware is 4.953 ppb.
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