Today | Weather | Monday, January 19, 2026

Weather in Washington, District of Columbia

09:04 PM
Now
Cloudy Night
32° F
Feels Like 18°
Precipitation 0 %
Wind 16 mph
Humidity 43 %
Today
Cloudy Night
Day 43°
Night 18°
Precipitation 2 %
Wind 15 mph

Washington Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Snowy Weather

Day

39°

Night

21°

Wind

7 mph

UV Index

1

Precipitation

97 %

Air Quality in Washington

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.45 µg/m³
PM10 2.93 µg/m³
O3 0.045 ppm
NO2 2 ppb
SO2 0.7 ppb
CO 0.14 ppm
NH3 0.64 µg/m³
NO 0 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)
PM2.52.45 µg/m³
PM102.93 µg/m³
O388.21 µg/m³
NO23.79 µg/m³
SO21.85 µg/m³
CO163.23 µg/m³
NH30.64 µg/m³
NO0 µg/m³