Stay updated with real-time air quality in Middletown, 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)
52
Moderate
Middletown, Delaware
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
45.22 μg/m³
0
55
155
255
425
605+
21.86 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
8.37 ppb
0
54
101
361
1250
2050+
0.46 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Middletown, Delaware
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AQI 81
Moderate
25.43μg/m³
PM2.5
106.79μg/m³
PM10
29.26ppb
O3
0.39ppb
SO2
5.13ppb
NO2
0.59ppm
CO
AQI 107
Unhealthy for sensitive groups
37.93μg/m³
PM2.5
155.65μg/m³
PM10
28.55ppb
O3
0.34ppb
SO2
4.87ppb
NO2
0.58ppm
CO
AQI 88
Moderate
28.77μg/m³
PM2.5
126.62μg/m³
PM10
28.77ppb
O3
0.39ppb
SO2
5.18ppb
NO2
0.59ppm
CO
AQI 84
Moderate
26.56μg/m³
PM2.5
108.12μg/m³
PM10
28.84ppb
O3
0.40ppb
SO2
5.10ppb
NO2
0.59ppm
CO
AQI 99
Moderate
34.98μg/m³
PM2.5
147.26μg/m³
PM10
28.72ppb
O3
0.40ppb
SO2
5.16ppb
NO2
0.59ppm
CO
AQI 110
Unhealthy for sensitive groups
39.15μg/m³
PM2.5
172.53μg/m³
PM10
28.46ppb
O3
0.40ppb
SO2
5.17ppb
NO2
0.59ppm
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 Middletown, Delaware are available every hour.
Middletown, Delaware experienced its worst air quality at 06:00:00, 2025-07-27.
The best air quality in Middletown, Delaware was observed at 02:00:00 on 2025-07-26.
The air quality in Middletown, Delaware right now is Moderate, with an AQI of 67.
In Middletown, Delaware, PM2.5 is the most frequently found pollutant.
When air quality in Middletown, Delaware is compromised, staying indoors and wearing a mask can reduce health risks.
Middletown, Delaware currently has a PM2.5 concentration of 18.406 μg/m3.
Middletown, Delaware currently has a PM10 concentration of 81.195 μg/m3.
The current carbon monoxide (CO) level in Middletown, Delaware is 0.562 ppm.
The current sulfur dioxide (SO2) concentration in Middletown, Delaware is 0.584 ppb.
Middletown, Delaware currently has an ozone (O3) concentration of 28.007 ppm.
The current level of nitrogen dioxide (NO2) in Middletown, Delaware is 3.591 ppb.
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