Air Quality in Coos Bay, United States
Windy
15.9°C · 69.0% humidity
15.9°
Feels 15.9°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Coos Bay's air quality — share it
AQI Forecast
27
10am
27
27
32
1pm
34
34
34
4pm
34
27
27
7pm
25
25
25
10pm
25
25
25
1am
25
25
25
4am
25
27
27
7am
27
27
Air Quality Index Trend
42h · 1 stnCoos Bay's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Coos Bay is 1.5× the WHO annual guideline of 5 µg/m³.
69.0%
Humidity
80.3 km/h
Wind SSW
1017.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.6 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Coos Bay?
Temperature & Precipitation
PM2.5 Trend
42h · 1 stationPM2.57.6 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX19.9
Extreme
Station readings (1 station within 25 km)
7.6
Median
7.6
Average
7.6
Low
7.6
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -0.5
What is the 7-day forecast for Coos Bay?
05-28
15.9° 11.2°
0.06 mm
05-29
14.1° 11.5°
8.94 mm
05-30
12.3° 11.3°
5.69 mm
05-31
14.8° 11.4°
06-01
15.3° 9.4°
06-02
15.3° 10.7°
06-03
14.0° 8.1°
1.13 mm
Both models agree
Avg diff: 2.6°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T20:17 UTC.