Today | Weather | Thursday, May 21, 2026

Weather in Carrollton, Texas

12:06 AM
Now
Cloudy Weather
68° F
Feels Like 66°
Precipitation 49 %
Wind 8 mph
Humidity 93 %
Today
Stormy Weather
Day 75°
Night 66°
Precipitation 96 %
Wind 8 mph
UV Index (0 - 11+) 2

Carrollton Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 21, 2025)
Cloudy Weather

Day

90°

Night

70°

Wind

8 mph

UV Index

11

Precipitation

0 %

Air Quality in Carrollton

NOW
14 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.18 µg/m³
PM10 3.42 µg/m³
O3 0.015 ppm
NO2 1.4 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 1.43 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)
PM2.53.18 µg/m³
PM103.42 µg/m³
O328.79 µg/m³
NO22.55 µg/m³
SO20.25 µg/m³
CO121.4 µg/m³
NH31.43 µg/m³
NO0 µg/m³