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)
71
Moderate
Bear, Delaware
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.42 μg/m³
0
55
155
255
425
605+
60.53 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
5.88 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Bear, Delaware
Bear, Delaware
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AQI 74
Moderate
9.64μg/m³
PM2.5
41.75μg/m³
PM10
61.74ppb
O3
0.29ppb
SO2
6.29ppb
NO2
0.24ppm
CO
AQI 67
Moderate
8.74μg/m³
PM2.5
37.60μg/m³
PM10
60.46ppb
O3
0.31ppb
SO2
5.78ppb
NO2
0.24ppm
CO
AQI 77
Moderate
10.30μg/m³
PM2.5
45.56μg/m³
PM10
62.65ppb
O3
0.29ppb
SO2
6.16ppb
NO2
0.24ppm
CO
AQI 74
Moderate
9.19μg/m³
PM2.5
39.29μg/m³
PM10
62.08ppb
O3
0.28ppb
SO2
8.93ppb
NO2
0.24ppm
CO
AQI 64
Moderate
8.61μg/m³
PM2.5
32.96μg/m³
PM10
59.43ppb
O3
0.22ppb
SO2
9.81ppb
NO2
0.24ppm
CO
AQI 71
Moderate
8.60μg/m³
PM2.5
37.75μg/m³
PM10
61.43ppb
O3
0.32ppb
SO2
7.12ppb
NO2
0.24ppm
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 10:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Bear, Delaware was observed at 01:00:00 on 2026-04-23.
The current air quality in Bear, Delaware is 71, categorized as Moderate 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 8.771 μg/m3.
The current PM10 concentration at Bear, Delaware is 37.424 μg/m3.
The current carbon monoxide (CO) concentration at Bear, Delaware is 0.239 ppm.
The current sulfur dioxide (SO2) concentration at Bear, Delaware is 0.251 ppb.
The current ozone (O3) concentration at Bear, Delaware is 60.53 ppm.
The current nitrogen dioxide (NO2) concentration at Bear, Delaware is 5.877 ppb.
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