Coos Bay, Oregon live air quality index now
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)
29
Good
Coos Bay, Oregon
Last updated: ... (Local time)
Major air pollutants in Coos Bay, Oregon
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
8.74 μg/m³
0
55
155
255
425
605+
Ozone (O3)
31.07 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.49 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.96 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.11 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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Air quality in nearby cities
North Bend, Oregon
AQI 22
Good
4.21μg/m³
PM2.5
18.55μg/m³
PM10
16.99ppb
O3
0.34ppb
SO2
2.56ppb
NO2
0.11ppm
CO
Fairview City, Oregon
AQI 22
Good
3.96μg/m³
PM2.5
17.32μg/m³
PM10
14.54ppb
O3
0.32ppb
SO2
2.94ppb
NO2
0.12ppm
CO
Roseburg, Oregon
AQI 16
Good
2.69μg/m³
PM2.5
10.95μg/m³
PM10
13.09ppb
O3
0.32ppb
SO2
2.05ppb
NO2
0.11ppm
CO
Cottage Grove, Oregon
AQI 22
Good
4.40μg/m³
PM2.5
19.00μg/m³
PM10
6.03ppb
O3
0.22ppb
SO2
2.65ppb
NO2
0.10ppm
CO
Eugene, Oregon
AQI 22
Good
4.44μg/m³
PM2.5
19.32μg/m³
PM10
10.57ppb
O3
0.24ppb
SO2
2.70ppb
NO2
0.10ppm
CO
Springfield, Oregon
AQI 27
Good
5.19μg/m³
PM2.5
22.95μg/m³
PM10
14.46ppb
O3
0.24ppb
SO2
2.66ppb
NO2
0.10ppm
CO
How accurate is Oregon, USA air quality data?
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
Frequently asked questions
How often is the air quality data for Coos Bay, Oregon updated?
The air quality for Coos Bay, Oregon is updated every hour.
When was the worst air quality at Coos Bay, Oregon in the last 24 hrs?
The worst air quality in Coos Bay, Oregon in the last 24 hours was observed at 03:00:00 on 2025-07-22.
When was the best air quality at Coos Bay, Oregon in the last 24 hrs?
In the last 24 hrs, the best air quality in Coos Bay, Oregon was observed at 04:00:00 on 2025-07-21.
What is the current air quality in Coos Bay, Oregon?
The current air quality in Coos Bay, Oregon is 22, categorized as Good based on real-time data.
What pollutant is the most common in Coos Bay, Oregon?
The most common pollutant in Coos Bay, Oregon is PM2.5.
What should I do if the air quality in Coos Bay, Oregon is poor?
If the air quality in Coos Bay, Oregon is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Coos Bay, Oregon?
The current PM2.5 concentration at Coos Bay, Oregon is 4.135 μg/m3.
What is the current concentration of PM10 in Coos Bay, Oregon?
The current PM10 concentration at Coos Bay, Oregon is 18.176 μg/m3.
What is the current concentration of carbon monoxide (CO) in Coos Bay, Oregon?
The current carbon monoxide (CO) concentration at Coos Bay, Oregon is 0.114 ppm.
What is the current concentration of sulfur dioxide (SO2) in Coos Bay, Oregon?
The current sulfur dioxide (SO2) concentration at Coos Bay, Oregon is 0.337 ppb.
What is the current concentration of ozone (O3) in Coos Bay, Oregon?
The current ozone (O3) concentration at Coos Bay, Oregon is 16.477 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Coos Bay, Oregon?
The current nitrogen dioxide (NO2) concentration at Coos Bay, Oregon is 2.563 ppb.
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