Air Quality in Eureka, United States
Windy
14.3°C · 82.8% humidity
14.3°
Feels 14.3°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Eureka's air quality — share it
AQI Forecast
34
4pm
34
34
34
7pm
34
34
34
10pm
34
34
54
1am
54
54
54
4am
54
54
54
7am
54
54
34
10am
34
34
34
1pm
34
34
Eureka's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
82.8%
Humidity
74.4 km/h
Wind NNW
1015.6 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.2 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Eureka?
Temperature & Precipitation
PM2.58.2 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Eureka?
08-03
15.0° 11.9°
0.06 mm
08-04
14.3° 12.5°
0.06 mm
08-05
14.7° 11.8°
08-06
14.7° 12.1°
0.13 mm
08-07
14.3° 12.3°
08-08
14.5° 12.2°
08-09
17.0° 13.0°
Both models agree
Avg diff: 1.9°C
What cities are near Eureka?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:05 UTC.