Today | Weather | Tuesday, May 19, 2026

Weather in Plano, Texas

01:58 AM
Now
Cloudy Weather
81° F
Feels Like 84°
Precipitation 7 %
Wind 13 mph
Humidity 82 %
Today
Stormy Weather
Day 79°
Night 64°
Precipitation 55 %
Wind 12 mph
UV Index (0 - 11+) 3

Plano Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 19, 2025)
Sunny with a Chance of Thunderstorms

Day

82°

Night

70°

Wind

14 mph

UV Index

3

Precipitation

70 %

Air Quality in Plano

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

Pollutant Concentrations:

PM2.5 8 µg/m³
PM10 12.33 µg/m³
O3 0.020 ppm
NO2 0.8 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.6 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)
PM2.58 µg/m³
PM1012.33 µg/m³
O338.99 µg/m³
NO21.57 µg/m³
SO20.46 µg/m³
CO126.86 µg/m³
NH30.6 µg/m³
NO0 µg/m³