Today | Weather | Monday, July 20, 2026

Weather in Salem, Oregon

05:47 PM
Now
Cloudy Weather
90° F
Feels Like 91°
Precipitation 7 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 33 %
Today
Cloudy Weather
Day 88°
Night 64°
Precipitation 25 %
Wind 5 mph
UV Index (0 - 11+) 6

Salem Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 20, 2025)
Cloudy Weather

Day

72°

Night

59°

Wind

5 mph

Precipitation

40 %

Air Quality in Salem

NOW
38 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 9 µg/m³
PM10 13.43 µg/m³
O3 0.037 ppm
NO2 0.7 ppb
SO2 0.2 ppb
CO 0.09 ppm
NH3 0.32 µg/m³
NO 0.13 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.59 µg/m³
PM1013.43 µg/m³
O372.79 µg/m³
NO21.28 µg/m³
SO20.51 µg/m³
CO107.71 µg/m³
NH30.32 µg/m³
NO0.13 µg/m³