Stay updated with real-time air quality in Wilmington, 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)
49
Good
Wilmington, Delaware
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.05 μg/m³
0
55
155
255
425
605+
31.20 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
8.70 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wilmington, Delaware
Wilmington, Delaware
Scroll To Air Quality MapLoading...
AQI 49
Good
9.45μg/m³
PM2.5
32.84μg/m³
PM10
31.30ppb
O3
0.26ppb
SO2
8.40ppb
NO2
0.27ppm
CO
AQI 52
Moderate
10.37μg/m³
PM2.5
40.07μg/m³
PM10
33.14ppb
O3
0.28ppb
SO2
9.51ppb
NO2
0.26ppm
CO
AQI 54
Moderate
11.03μg/m³
PM2.5
44.57μg/m³
PM10
35.13ppb
O3
0.28ppb
SO2
10.15ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.03μg/m³
PM2.5
43.85μg/m³
PM10
32.88ppb
O3
0.29ppb
SO2
10.01ppb
NO2
0.28ppm
CO
AQI 52
Moderate
10.00μg/m³
PM2.5
37.09μg/m³
PM10
31.02ppb
O3
0.25ppb
SO2
9.24ppb
NO2
0.27ppm
CO
AQI 44
Good
8.40μg/m³
PM2.5
34.51μg/m³
PM10
28.68ppb
O3
0.28ppb
SO2
7.55ppb
NO2
0.26ppm
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 Wilmington, Delaware is updated every hour.
The worst air quality in Wilmington, Delaware in the last 24 hours was observed at 09:00:00 on 2025-06-05.
In the last 24 hrs, the best air quality in Wilmington, Delaware was observed at 01:00:00 on 2025-06-05.
The current air quality in Wilmington, Delaware is 49, categorized as Good based on real-time data.
The most common pollutant in Wilmington, Delaware is PM2.5.
If the air quality in Wilmington, Delaware is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Wilmington, Delaware is 9.255 μg/m3.
The current PM10 concentration at Wilmington, Delaware is 20.049 μg/m3.
The current carbon monoxide (CO) concentration at Wilmington, Delaware is 0.264 ppm.
The current sulfur dioxide (SO2) concentration at Wilmington, Delaware is 0.261 ppb.
The current ozone (O3) concentration at Wilmington, Delaware is 31.199 ppm.
The current nitrogen dioxide (NO2) concentration at Wilmington, Delaware is 8.703 ppb.
All Rights Reserved © Ambee Inc. 2025