Air Quality in Eureka, United States

Windy
13.9°C · 83.2% humidity
13.9°
Feels 13.9°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 11am
27
27
26 2pm
27
27
27 5pm
27
27
27 8pm
27
27
27 11pm
27
27
27 2am
27
27
27 5am
27
27
27 8am
27
27
AD 728×90

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.

83.2%
Humidity
79.3 km/h
Wind N
1014.1 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
26
6.25 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.56.25 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
07-21
14.6° 10.5°
07-22
14.9° 12.1°
0.06 mm
07-23
15.3° 12.4°
07-24
16.0° 12.4°
0.06 mm
07-25
14.5° 12.2°
07-26
15.9° 11.2°
0.06 mm
07-27
16.0° 12.0°
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:49 UTC.