Stay updated with real-time air quality in Bear, 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)
31
Good
Bear, Delaware
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.95 μg/m³
0
55
155
255
425
605+
34.32 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
7.02 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Bear, Delaware
Bear, Delaware
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AQI 31
Good
2.82μg/m³
PM2.5
12.06μg/m³
PM10
32.51ppb
O3
0.42ppb
SO2
3.92ppb
NO2
0.17ppm
CO
AQI 32
Good
3.26μg/m³
PM2.5
14.59μg/m³
PM10
35.34ppb
O3
0.41ppb
SO2
3.69ppb
NO2
0.16ppm
CO
AQI 30
Good
2.45μg/m³
PM2.5
10.26μg/m³
PM10
31.64ppb
O3
0.42ppb
SO2
4.02ppb
NO2
0.17ppm
CO
AQI 30
Good
2.97μg/m³
PM2.5
12.46μg/m³
PM10
31.73ppb
O3
0.44ppb
SO2
4.02ppb
NO2
0.17ppm
CO
AQI 30
Good
3.37μg/m³
PM2.5
14.77μg/m³
PM10
32.44ppb
O3
0.46ppb
SO2
4.13ppb
NO2
0.17ppm
CO
AQI 32
Good
3.47μg/m³
PM2.5
15.28μg/m³
PM10
35.10ppb
O3
0.42ppb
SO2
3.71ppb
NO2
0.16ppm
CO
Air quality data and pollutant measurements for Delaware, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Bear, Delaware is updated every hour.
The worst air quality in Bear, Delaware in the last 24 hours was observed at 03:00:00 on 2026-10-05.
In the last 24 hrs, the best air quality in Bear, Delaware was observed at 04:00:00 on 2026-10-05.
The current air quality in Bear, Delaware is 31, categorized as Good based on real-time data.
The most common pollutant in Bear, Delaware is O3.
If the air quality in Bear, Delaware is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Bear, Delaware is 3.294 μg/m3.
The current PM10 concentration at Bear, Delaware is 14.686 μg/m3.
The current carbon monoxide (CO) concentration at Bear, Delaware is 0.165 ppm.
The current sulfur dioxide (SO2) concentration at Bear, Delaware is 0.413 ppb.
The current ozone (O3) concentration at Bear, Delaware is 33.979 ppm.
The current nitrogen dioxide (NO2) concentration at Bear, Delaware is 3.809 ppb.
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