Stay updated with real-time air quality in Coos Bay, Oregon 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)
25
Good
Coos Bay, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.71 μg/m³
0
55
155
255
425
605+
27.07 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
0.23 ppb
0
54
101
361
1250
2050+
0.08 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Coos Bay, Oregon
Coos Bay, Oregon
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AQI 12
Good
1.91μg/m³
PM2.5
11.07μg/m³
PM10
12.92ppb
O3
0.75ppb
SO2
5.59ppb
NO2
0.23ppm
CO
AQI 11
Good
2.15μg/m³
PM2.5
9.88μg/m³
PM10
10.40ppb
O3
0.76ppb
SO2
5.54ppb
NO2
0.23ppm
CO
AQI 11
Good
2.40μg/m³
PM2.5
9.98μg/m³
PM10
9.75ppb
O3
0.50ppb
SO2
5.62ppb
NO2
0.23ppm
CO
AQI 11
Good
2.30μg/m³
PM2.5
10.00μg/m³
PM10
8.09ppb
O3
0.33ppb
SO2
6.25ppb
NO2
0.21ppm
CO
AQI 11
Good
2.13μg/m³
PM2.5
9.01μg/m³
PM10
8.21ppb
O3
0.35ppb
SO2
6.29ppb
NO2
0.21ppm
CO
AQI 11
Good
1.81μg/m³
PM2.5
8.03μg/m³
PM10
11.30ppb
O3
0.35ppb
SO2
6.28ppb
NO2
0.21ppm
CO
Air quality data and pollutant measurements for Oregon, 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 Coos Bay, Oregon is updated every hour.
The worst air quality in Coos Bay, Oregon in the last 24 hours was observed at 02:00:00 on 2026-08-12.
In the last 24 hrs, the best air quality in Coos Bay, Oregon was observed at 10:00:00 on 2026-08-12.
The current air quality in Coos Bay, Oregon is 25, categorized as Good based on real-time data.
The most common pollutant in Coos Bay, Oregon is O3.
If the air quality in Coos Bay, Oregon is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Coos Bay, Oregon is 2.017 μg/m3.
The current PM10 concentration at Coos Bay, Oregon is 8.712 μg/m3.
The current carbon monoxide (CO) concentration at Coos Bay, Oregon is 0.08 ppm.
The current sulfur dioxide (SO2) concentration at Coos Bay, Oregon is 0.36 ppb.
The current ozone (O3) concentration at Coos Bay, Oregon is 27.067 ppm.
The current nitrogen dioxide (NO2) concentration at Coos Bay, Oregon is 0.232 ppb.
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