Today | Weather | Saturday, January 3, 2026

Weather in St. Paul, Minnesota

03:12 PM
Now
Cloudy Weather
21° F
Feels Like 16°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 65 %
Today
Cloudy Weather
Day 21°
Night
Precipitation 5 %
Wind 4 mph
UV Index (0 - 11+) 1

St. Paul Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 3, 2025)
Cloudy Weather

Day

16°

Night

Wind

14 mph

UV Index

2

Precipitation

0 %

Air Quality in St. Paul

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.7 µg/m³
PM10 6.02 µg/m³
O3 0.032 ppm
NO2 3.1 ppb
SO2 0.2 ppb
CO 0.16 ppm
NH3 2.83 µg/m³
NO 0.66 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)
PM2.55.7 µg/m³
PM106.02 µg/m³
O362.14 µg/m³
NO25.92 µg/m³
SO20.46 µg/m³
CO187.96 µg/m³
NH32.83 µg/m³
NO0.66 µg/m³