Today | Weather | Wednesday, February 4, 2026

Weather in Columbia, Missouri

05:39 PM
Now
Cloudy Night
30° F
Feels Like 25°
Precipitation 0 %
Wind 7 mph
Humidity 55 %
Today
Cloudy Weather
Day 36°
Night 21°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 3

Columbia Weather Forecast Updated

21 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 4, 2025)
Cloudy Weather

Day

41°

Night

30°

Wind

12 mph

UV Index

3

Precipitation

40 %

Air Quality in Columbia

NOW
51 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.26 µg/m³
PM10 13.19 µg/m³
O3 0.031 ppm
NO2 3.6 ppb
SO2 0.5 ppb
CO 0.18 ppm
NH3 1.15 µg/m³
NO 0.02 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.512.26 µg/m³
PM1013.19 µg/m³
O361.08 µg/m³
NO26.79 µg/m³
SO21.41 µg/m³
CO201.97 µg/m³
NH31.15 µg/m³
NO0.02 µg/m³