Today | Weather | Saturday, September 19, 2026

Weather in Topeka, Kansas

03:47 AM
Now
Night
77° F
Feels Like 75°
Precipitation 7 %
Wind 7 mph
Humidity 67 %
Today
Sunny with a Chance of Thunderstorms
Day 97°
Night 68°
Precipitation 55 %
Wind 9 mph
UV Index (0 - 11+) 5

Topeka Weather Forecast Updated

43 seconds ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 19, 2025)
Cloudy Night

Day

82°

Night

63°

Wind

4 mph

Precipitation

25 %

Air Quality in Topeka

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.87 µg/m³
PM10 7.43 µg/m³
O3 0.043 ppm
NO2 0.7 ppb
SO2 0.4 ppb
CO 0.12 ppm
NH3 0.75 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)
PM2.56.87 µg/m³
PM107.43 µg/m³
O384.06 µg/m³
NO21.26 µg/m³
SO21.07 µg/m³
CO135.41 µg/m³
NH30.75 µg/m³
NO0 µg/m³