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)
44
Good
Wilmington, Delaware
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.19 μg/m³
0
55
155
255
425
605+
36.74 ppb
0
55
71
86
201
201+
0.11 ppb
0
36
76
186
605
1005+
7.25 ppb
0
54
101
361
1250
2050+
0.44 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wilmington, Delaware
Wilmington, Delaware
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AQI 38
Good
7.31μg/m³
PM2.5
25.86μg/m³
PM10
39.82ppb
O3
0.18ppb
SO2
11.37ppb
NO2
0.46ppm
CO
AQI 39
Good
6.51μg/m³
PM2.5
24.78μg/m³
PM10
41.88ppb
O3
0.17ppb
SO2
8.34ppb
NO2
0.45ppm
CO
AQI 40
Good
6.33μg/m³
PM2.5
24.07μg/m³
PM10
42.55ppb
O3
0.17ppb
SO2
8.43ppb
NO2
0.45ppm
CO
AQI 44
Good
7.74μg/m³
PM2.5
33.85μg/m³
PM10
38.65ppb
O3
0.26ppb
SO2
15.16ppb
NO2
0.49ppm
CO
AQI 38
Good
7.41μg/m³
PM2.5
26.08μg/m³
PM10
40.49ppb
O3
0.21ppb
SO2
12.68ppb
NO2
0.47ppm
CO
AQI 38
Good
6.73μg/m³
PM2.5
28.56μg/m³
PM10
37.13ppb
O3
0.12ppb
SO2
7.21ppb
NO2
0.44ppm
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 10:00:00 on 2025-07-09.
In the last 24 hrs, the best air quality in Wilmington, Delaware was observed at 08:00:00 on 2025-07-10.
The current air quality in Wilmington, Delaware is 38, 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 7.428 μg/m3.
The current PM10 concentration at Wilmington, Delaware is 16.137 μg/m3.
The current carbon monoxide (CO) concentration at Wilmington, Delaware is 0.46 ppm.
The current sulfur dioxide (SO2) concentration at Wilmington, Delaware is 0.201 ppb.
The current ozone (O3) concentration at Wilmington, Delaware is 40.085 ppm.
The current nitrogen dioxide (NO2) concentration at Wilmington, Delaware is 11.967 ppb.
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