Today | Weather | Monday, January 19, 2026

Weather in Olathe, Kansas

01:53 AM
Now
Cloudy Night
23° F
Feels Like
Precipitation 0 %
Wind 14 mph
Humidity 50 %
Today
Cloudy Weather
Day 25°
Night 18°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 3

Olathe Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Cloudy Weather

Day

12°

Night

Wind

12 mph

UV Index

3

Precipitation

0 %

Air Quality in Olathe

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.5 µg/m³
O3 0.044 ppm
NO2 0.9 ppb
SO2 0.5 ppb
CO 0.13 ppm
NH3 0.27 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)
PM2.50.5 µg/m³
PM100.5 µg/m³
O387.33 µg/m³
NO21.75 µg/m³
SO21.19 µg/m³
CO145.53 µg/m³
NH30.27 µg/m³
NO0 µg/m³