Air Quality in Eureka, United States
Windy
12.3°C · 77.4% humidity
12.3°
Feels 12.3°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Eureka's air quality — share it
AQI Forecast
27
4pm
27
27
26
7pm
34
34
34
10pm
34
34
34
1am
34
34
34
4am
34
25
25
7am
25
25
25
10am
25
25
25
1pm
25
25
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.
77.4%
Humidity
67.3 km/h
Wind N
1022.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.15 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Eureka?
Temperature & Precipitation
PM2.56.15 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Eureka?
06-09
12.3° 10.1°
06-10
13.2° 10.4°
06-11
13.0° 10.9°
06-12
13.2° 12.0°
0.19 mm
06-13
15.0° 9.6°
0.06 mm
06-14
13.5° 10.8°
0.38 mm
06-15
14.1° 10.3°
1.13 mm
Both models agree
Avg diff: 1.6°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 2026-06-09T02:10 UTC.