Today | Weather | Saturday, September 19, 2026

Weather in Olathe, Kansas

11:19 PM
Now
Stormy Weather
77° F
Feels Like 75°
Precipitation 64 %
Wind 7 mph
Humidity 75 %
Today
Stormy Weather
Day 93°
Night 68°
Precipitation 100 %
Wind 6 mph

Olathe Weather Forecast Updated

24 minutes 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

16 %

Air Quality in Olathe

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.47 µg/m³
PM10 8.64 µg/m³
O3 0.047 ppm
NO2 1.1 ppb
SO2 0.6 ppb
CO 0.11 ppm
NH3 0.85 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)
PM2.57.47 µg/m³
PM108.64 µg/m³
O392.47 µg/m³
NO22.04 µg/m³
SO21.63 µg/m³
CO120.97 µg/m³
NH30.85 µg/m³
NO0 µg/m³