Today | Weather | Thursday, October 29, 2026

Weather in St. Paul, Minnesota

06:51 PM
Now
Cloudy Night
52° F
Feels Like 50°
Precipitation 0 %
Wind 5 mph
Humidity 69 %
Today
Sunny Weather
Day 57°
Night 39°
Precipitation 1 %
Wind 9 mph
UV Index (0 - 11+) 3

St. Paul Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 29, 2025)
Cloudy Night

Day

54°

Night

39°

Wind

5 mph

Precipitation

4 %

Air Quality in St. Paul

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.82 µg/m³
PM10 3.46 µg/m³
O3 0.027 ppm
NO2 5 ppb
SO2 0.1 ppb
CO 0.18 ppm
NH3 7.44 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 – 2.82 µg/m³
PM10 – 3.46 µg/m³
O3 – 52.78 µg/m³
NO2 – 9.34 µg/m³
SO2 – 0.16 µg/m³
CO – 205.27 µg/m³
NH3 – 7.44 µg/m³
NO – 0 µg/m³