What is the air quality in Hermiston today?

The current Air Quality Index (AQI) in Hermiston is 28 (Good). PM2.5 concentration is 6.61 µg/m³.

What is the temperature in Hermiston right now?

The current temperature in Hermiston is 15.3°C (feels like 15.3°C). Humidity is 22.7% and wind speed is 9.7 km/h.

Is it safe to go outside in Hermiston?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Moderate).

Air Quality in Hermiston, United States

Clear

15.3°C · 22.7% humidity

15.3°

Feels 15.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

32 3pm

27 6pm

12 9pm

12 12am

12 3am

25 6am

25 9am

25 12pm

Station readings

CAMS model

PM2.5 Trend (24h)

27h · 3 stations

22.7%

Humidity

9.7 km/h

Wind NE

1014.7 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Hermiston?

Temperature & Precipitation

PM2.56.61 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX2.2

Moderate

What is the 7-day forecast for Hermiston?

04-09

15.8° 8.5°

04-10

18.4° 8.1°

04-11

17.7° 6.1°

04-12

12.0° 3.6°

0.06 mm

04-13

13.8° 5.0°

04-14

13.7° 5.0°

04-15

15.0° 4.1°

Both models agree Avg diff: 3.5°C

Where are air quality stations near Hermiston?

Hermiston Municipal Airport, Oregon, USA

2.4 km

What cities are near Hermiston?

27 Kennewick 28 Pendleton 27 Tri-Cities 27 Pasco 27 Richland 39 Sunnyside 28 Walla Walla 19 Yakima 26 Moses Lake 9 The Dalles

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:41 UTC.