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)
20
Good
Coos Bay, Oregon
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.11 μg/m³
0
55
155
255
425
605+
21.68 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
4.48 ppb
0
54
101
361
1250
2050+
0.19 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 20
Good
1.63μg/m³
PM2.5
7.10μg/m³
PM10
21.68ppb
O3
0.47ppb
SO2
4.48ppb
NO2
0.19ppm
CO
AQI 21
Good
2.53μg/m³
PM2.5
18.04μg/m³
PM10
23.31ppb
O3
0.62ppb
SO2
4.42ppb
NO2
0.19ppm
CO
AQI 19
Good
2.30μg/m³
PM2.5
9.98μg/m³
PM10
21.00ppb
O3
0.62ppb
SO2
4.41ppb
NO2
0.19ppm
CO
AQI 27
Good
4.59μg/m³
PM2.5
20.12μg/m³
PM10
22.17ppb
O3
0.32ppb
SO2
4.77ppb
NO2
0.18ppm
CO
AQI 27
Good
4.74μg/m³
PM2.5
20.43μg/m³
PM10
23.87ppb
O3
0.32ppb
SO2
4.86ppb
NO2
0.18ppm
CO
AQI 33
Good
5.59μg/m³
PM2.5
23.95μg/m³
PM10
22.92ppb
O3
0.32ppb
SO2
4.87ppb
NO2
0.18ppm
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 03:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Coos Bay, Oregon was observed at 02:00:00 on 2026-07-23.
The current air quality in Coos Bay, Oregon is 20, 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 1.629 μg/m3.
The current PM10 concentration at Coos Bay, Oregon is 7.112 μg/m3.
The current carbon monoxide (CO) concentration at Coos Bay, Oregon is 0.186 ppm.
The current sulfur dioxide (SO2) concentration at Coos Bay, Oregon is 0.474 ppb.
The current ozone (O3) concentration at Coos Bay, Oregon is 21.679 ppm.
The current nitrogen dioxide (NO2) concentration at Coos Bay, Oregon is 4.478 ppb.
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