Today | Weather | Sunday, October 4, 2026

Weather in Columbia, Missouri

03:39 AM
Now
Night
52° F
Feels Like 52°
Precipitation 0 %
Wind 4 mph
Humidity 92 %
Today
Cloudy Weather
Day 79°
Night 46°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 4

Columbia Weather Forecast Updated

4 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 4, 2025)
Night

Day

84°

Night

61°

Wind

8 mph

Precipitation

0 %

Air Quality in Columbia

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

Pollutant Concentrations:

PM2.5 6.41 µg/m³
PM10 6.82 µg/m³
O3 0.011 ppm
NO2 1.4 ppb
SO2 0 ppb
CO 0.13 ppm
NH3 0.8 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)
PM2.5 – 6.41 µg/m³
PM10 – 6.82 µg/m³
O3 – 21.42 µg/m³
NO2 – 2.59 µg/m³
SO2 – 0.08 µg/m³
CO – 145.04 µg/m³
NH3 – 0.8 µg/m³
NO – 0 µg/m³