Stay updated with real-time air quality in Dover, New Jersey 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)
22
Good
Dover, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.47 μg/m³
0
55
155
255
425
605+
18.73 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
3.17 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Dover, New Jersey
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AQI 22
Good
3.75μg/m³
PM2.5
16.88μg/m³
PM10
23.36ppb
O3
0.32ppb
SO2
3.62ppb
NO2
0.27ppm
CO
AQI 22
Good
3.93μg/m³
PM2.5
18.54μg/m³
PM10
22.83ppb
O3
0.28ppb
SO2
4.69ppb
NO2
0.26ppm
CO
AQI 22
Good
3.44μg/m³
PM2.5
15.60μg/m³
PM10
23.76ppb
O3
0.33ppb
SO2
3.38ppb
NO2
0.27ppm
CO
AQI 20
Good
2.79μg/m³
PM2.5
12.68μg/m³
PM10
21.99ppb
O3
0.28ppb
SO2
5.11ppb
NO2
0.27ppm
CO
AQI 25
Good
2.30μg/m³
PM2.5
12.91μg/m³
PM10
26.70ppb
O3
0.33ppb
SO2
3.31ppb
NO2
0.31ppm
CO
AQI 20
Good
2.97μg/m³
PM2.5
12.11μg/m³
PM10
22.46ppb
O3
0.27ppb
SO2
3.59ppb
NO2
0.26ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Dover, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Dover, New Jersey was at its worst at 04:00:00 on 2026-09-20.
In the last 24 hours, the best air quality in Dover, New Jersey was observed at 03:00:00 on 2026-09-20.
As of now, the AQI in Dover, New Jersey is 22, indicating Good conditions.
Dover, New Jersey air has the highest levels of PM2.5.
Poor air quality in Dover, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Dover, New Jersey are currently 3.738 μg/m3.
The PM10 concentration in Dover, New Jersey is 19.47 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Dover, New Jersey is 0.264 ppm.
Currently, Dover, New Jersey has a sulfur dioxide (SO2) concentration of 0.376 ppb.
The current ozone (O3) level in Dover, New Jersey at the moment is 18.729 ppm.
Nitrogen dioxide (NO2) level in Dover, New Jersey at the moment is 3.167 ppb.
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