What is the air quality in Eureka today?

The current Air Quality Index (AQI) in Eureka is 24 (Good). PM2.5 concentration is 5.8 µg/m³.

What is the temperature in Eureka right now?

The current temperature in Eureka is 13.0°C (feels like 13.0°C). Humidity is 85.7% and wind speed is 49.9 km/h.

Is it safe to go outside in Eureka?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Eureka, United States

Windy

13.0°C · 85.7% humidity

13.0°

Feels 13.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

— 11am

—

— 2pm

—

— 5pm

—

— 8pm

—

— 11pm

—

— 2am

—

— 5am

—

— 8am

—

View AQI history for Eureka →

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.

85.7%

Humidity

49.9 km/h

Wind N

1018.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Eureka?

Temperature & Precipitation

PM2.55.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Eureka?

10-20

15.1° 11.3°

10-21

17.2° 10.2°

0.31 mm

10-22

18.1° 11.8°

10-23

14.0° 10.2°

10-24

15.9° 10.6°

4.06 mm

10-25

19.3° 12.5°

0.31 mm

10-26

14.5° 11.5°

0.06 mm

Both models agree Avg diff: 2.3°C

What cities are near Eureka?

24 Bayside 24 Arcata 24 McKinleyville 24 Redding 16 Grants Pass 24 Ukiah 52 Central Point 24 Chico 27 Clearlake 24 Paradise

Get AQI alerts for Eureka

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T21:44 UTC.