Today | Weather | Thursday, February 26, 2026

Weather in Richardson, Texas

02:38 AM
Now
Cloudy Night
59° F
Feels Like 54°
Precipitation 0 %
Wind 14 mph
Humidity 73 %
Today
Sunny Weather
Day 81°
Night 54°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 5

Richardson Weather Forecast Updated

38 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 26, 2025)
Cloudy Weather

Day

81°

Night

46°

Wind

12 mph

UV Index

5

Precipitation

25 %

Air Quality in Richardson

NOW
45 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 10.72 µg/m³
PM10 15.93 µg/m³
O3 0.034 ppm
NO2 2 ppb
SO2 0.3 ppb
CO 0.16 ppm
NH3 2.62 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)
PM2.510.72 µg/m³
PM1015.93 µg/m³
O367.25 µg/m³
NO23.69 µg/m³
SO20.74 µg/m³
CO181.51 µg/m³
NH32.62 µg/m³
NO0 µg/m³