Stay updated with real-time air quality in Delaware, USA 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
Delaware, USA
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.54 μg/m³
0
55
155
255
425
605+
27.79 ppb
0
55
71
86
201
201+
1.47 ppb
0
36
76
186
605
1005+
7.00 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Delaware, USA
Delaware, USA
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 44
Good
7.98μg/m³
PM2.5
35.19μg/m³
PM10
30.97ppb
O3
1.95ppb
SO2
9.43ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.91μg/m³
PM2.5
44.02μg/m³
PM10
29.18ppb
O3
1.78ppb
SO2
16.16ppb
NO2
0.27ppm
CO
AQI 54
Moderate
11.42μg/m³
PM2.5
50.80μg/m³
PM10
33.33ppb
O3
1.72ppb
SO2
9.29ppb
NO2
0.22ppm
CO
AQI 54
Moderate
11.32μg/m³
PM2.5
50.35μg/m³
PM10
31.96ppb
O3
2.26ppb
SO2
10.05ppb
NO2
0.28ppm
CO
AQI 49
Good
9.08μg/m³
PM2.5
40.02μg/m³
PM10
29.86ppb
O3
1.85ppb
SO2
7.15ppb
NO2
0.25ppm
CO
AQI 38
Good
6.59μg/m³
PM2.5
29.02μg/m³
PM10
34.74ppb
O3
1.14ppb
SO2
10.87ppb
NO2
0.24ppm
CO
The air quality data for Delaware, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Delaware, USA are available every hour.
Delaware, USA experienced its worst air quality at 10:00:00, 2025-06-03.
The best air quality in Delaware, USA was observed at 01:00:00 on 2025-06-03.
The air quality in Delaware, USA right now is Good, with an AQI of 49.
In Delaware, USA, PM2.5 is the most frequently found pollutant.
When air quality in Delaware, USA is compromised, staying indoors and wearing a mask can reduce health risks.
Delaware, USA currently has a PM2.5 concentration of 8.92 μg/m3.
Delaware, USA currently has a PM10 concentration of 39.542 μg/m3.
The current carbon monoxide (CO) level in Delaware, USA is 0.236 ppm.
The current sulfur dioxide (SO2) concentration in Delaware, USA is 1.472 ppb.
Delaware, USA currently has an ozone (O3) concentration of 27.794 ppm.
The current level of nitrogen dioxide (NO2) in Delaware, USA is 6.996 ppb.
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