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)
28
Good
Hockessin, Delaware
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.13 μg/m³
0
55
155
255
425
605+
30.16 ppb
0
55
71
86
201
201+
0.53 ppb
0
36
76
186
605
1005+
5.07 ppb
0
54
101
361
1250
2050+
0.35 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
5.29μg/m³
PM2.5
22.47μg/m³
PM10
29.46ppb
O3
0.52ppb
SO2
5.17ppb
NO2
0.34ppm
CO
AQI 33
Good
5.68μg/m³
PM2.5
22.77μg/m³
PM10
30.64ppb
O3
0.52ppb
SO2
5.05ppb
NO2
0.34ppm
CO
AQI 33
Good
6.38μg/m³
PM2.5
28.87μg/m³
PM10
30.30ppb
O3
0.51ppb
SO2
5.18ppb
NO2
0.34ppm
CO
AQI 31
Good
4.79μg/m³
PM2.5
11.80μg/m³
PM10
34.36ppb
O3
0.56ppb
SO2
4.76ppb
NO2
0.35ppm
CO
AQI 33
Good
6.13μg/m³
PM2.5
27.00μg/m³
PM10
31.04ppb
O3
0.51ppb
SO2
5.00ppb
NO2
0.34ppm
CO
AQI 33
Good
5.77μg/m³
PM2.5
24.92μg/m³
PM10
32.23ppb
O3
0.51ppb
SO2
4.57ppb
NO2
0.34ppm
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 2026-08-17.
In the last 24 hours, the best air quality in Hockessin, Delaware was observed at 05:00:00 on 2026-08-18.
As of now, the AQI in Hockessin, Delaware is 28, indicating Good conditions.
Hockessin, Delaware air has the highest levels of O3.
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 5.372 μg/m3.
The PM10 concentration in Hockessin, Delaware is 21.126 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Hockessin, Delaware is 0.346 ppm.
Currently, Hockessin, Delaware has a sulfur dioxide (SO2) concentration of 0.527 ppb.
The current ozone (O3) level in Hockessin, Delaware at the moment is 30.157 ppm.
Nitrogen dioxide (NO2) level in Hockessin, Delaware at the moment is 5.066 ppb.
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