Today | Weather | Monday, September 21, 2026

Weather in Madison, Alabama

03:52 PM
Now
Cloudy Weather
91° F
Feels Like 100°
Precipitation 49 %
Wind 4 mph
UV Index (0 - 11+) 3
Humidity 55 %
Today
Sunny with a Chance of Thunderstorms
Day 93°
Night 70°
Precipitation 80 %
Wind 2 mph
UV Index (0 - 11+) 6

Madison Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)

Day

90°

Night

66°

Air Quality in Madison

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.17 µg/m³
PM10 8.11 µg/m³
O3 0.047 ppm
NO2 1.3 ppb
SO2 0.8 ppb
CO 0.12 ppm
NH3 0.54 µg/m³
NO 0.13 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)
PM2.57.17 µg/m³
PM108.11 µg/m³
O392.39 µg/m³
NO22.4 µg/m³
SO22.17 µg/m³
CO138.93 µg/m³
NH30.54 µg/m³
NO0.13 µg/m³