Current air quality index in Delaware, USA today
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)
27
Good
Delaware, USA
Last updated: ... (Local time)
Common air pollutants in Delaware, USA
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
5.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
21.65 μg/m³
0
55
155
255
425
605+
Ozone (O3)
9.94 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.51 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
11.40 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.60 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Delaware, USA
Delaware, USA
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Air quality in cities of Delaware, USA
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
Air quality in nearby states
Maryland, USA
AQI 33
Good
5.98μg/m³
PM2.5
25.99μg/m³
PM10
7.50ppb
O3
0.38ppb
SO2
16.38ppb
NO2
0.42ppm
CO
New Jersey, USA
AQI 27
Good
5.29μg/m³
PM2.5
23.25μg/m³
PM10
11.18ppb
O3
0.89ppb
SO2
21.46ppb
NO2
0.59ppm
CO
New York, USA
AQI 22
Good
4.11μg/m³
PM2.5
18.73μg/m³
PM10
14.64ppb
O3
0.64ppb
SO2
13.28ppb
NO2
0.41ppm
CO
Pennsylvania, USA
AQI 33
Good
6.33μg/m³
PM2.5
27.89μg/m³
PM10
10.02ppb
O3
0.80ppb
SO2
13.79ppb
NO2
0.45ppm
CO
Virginia, USA
AQI 33
Good
5.88μg/m³
PM2.5
20.35μg/m³
PM10
9.92ppb
O3
0.47ppb
SO2
12.59ppb
NO2
0.36ppm
CO
Connecticut, USA
AQI 27
Good
4.77μg/m³
PM2.5
15.30μg/m³
PM10
11.66ppb
O3
0.37ppb
SO2
17.56ppb
NO2
0.43ppm
CO
How accurate is Delaware, USA air quality data?
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
Frequently asked questions
How frequently does the air quality data for Delaware, USA get updated?
Air quality updates for Delaware, USA are available every hour.
What time in the past 24 hours saw the poorest air quality in Delaware, USA?
Delaware, USA experienced its worst air quality at 10:00:00, 2026-10-08.
When was air quality in Delaware, USA the best over the past 24 hours?
The best air quality in Delaware, USA was observed at 03:00:00 on 2026-10-09.
What is the air quality in Delaware, USA right now?
The air quality in Delaware, USA right now is Good, with an AQI of 27.
What pollutant is most frequently found in Delaware, USA?
In Delaware, USA, PM2.5 is the most frequently found pollutant.
What can I do if the air quality in Delaware, USA is poor?
When air quality in Delaware, USA is compromised, staying indoors and wearing a mask can reduce health risks.
What is the PM2.5 concentration in Delaware, USA right now?
Delaware, USA currently has a PM2.5 concentration of 5.11 μg/m3.
What is the current level of PM10 in Delaware, USA?
Delaware, USA currently has a PM10 concentration of 21.013 μg/m3.
What is the current level of carbon monoxide (CO) in Delaware, USA?
The current carbon monoxide (CO) level in Delaware, USA is 0.493 ppm.
What is the current level of sulfur dioxide (SO2) in Delaware, USA?
The current sulfur dioxide (SO2) concentration in Delaware, USA is 0.421 ppb.
What is the current level of ozone (O3) in Delaware, USA?
Delaware, USA currently has an ozone (O3) concentration of 11.253 ppm.
What is the current level of nitrogen dioxide (NO2) in Delaware, USA?
The current level of nitrogen dioxide (NO2) in Delaware, USA is 11.499 ppb.
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