Stay updated with real-time air quality in Hockessin, 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)
27
Good
Hockessin, Delaware
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.00 μg/m³
0
55
155
255
425
605+
12.65 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
10.56 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Hockessin, Delaware
Hockessin, Delaware
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AQI 27
Good
5.37μg/m³
PM2.5
23.09μg/m³
PM10
14.38ppb
O3
0.41ppb
SO2
10.05ppb
NO2
0.40ppm
CO
AQI 27
Good
4.98μg/m³
PM2.5
20.26μg/m³
PM10
12.59ppb
O3
0.42ppb
SO2
10.45ppb
NO2
0.40ppm
CO
AQI 27
Good
5.11μg/m³
PM2.5
22.07μg/m³
PM10
13.58ppb
O3
0.41ppb
SO2
9.69ppb
NO2
0.39ppm
CO
AQI 22
Good
4.00μg/m³
PM2.5
9.56μg/m³
PM10
11.59ppb
O3
0.46ppb
SO2
12.93ppb
NO2
0.42ppm
CO
AQI 27
Good
5.12μg/m³
PM2.5
21.77μg/m³
PM10
12.27ppb
O3
0.41ppb
SO2
9.85ppb
NO2
0.39ppm
CO
AQI 27
Good
5.15μg/m³
PM2.5
22.19μg/m³
PM10
9.62ppb
O3
0.41ppb
SO2
10.55ppb
NO2
0.40ppm
CO
Air quality and pollutant data for Delaware, 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 Hockessin, Delaware is updated every hour for accuracy.
In the past 24 hours, the air quality in Hockessin, Delaware was at its worst at 10:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Hockessin, Delaware was observed at 02:00:00 on 2026-09-07.
As of now, the AQI in Hockessin, Delaware is 27, indicating Good conditions.
Hockessin, Delaware air has the highest levels of PM2.5.
Poor air quality in Hockessin, Delaware means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Hockessin, Delaware are currently 5.092 μg/m3.
The PM10 concentration in Hockessin, Delaware is 21.002 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hockessin, Delaware is 0.401 ppm.
Currently, Hockessin, Delaware has a sulfur dioxide (SO2) concentration of 0.419 ppb.
The current ozone (O3) level in Hockessin, Delaware at the moment is 12.649 ppm.
Nitrogen dioxide (NO2) level in Hockessin, Delaware at the moment is 10.559 ppb.
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