Today | Weather | Wednesday, November 4, 2026

Weather in Chapel Hill, North Carolina

08:58 PM
Now
Cloudy Night
66° F
Feels Like 66°
Precipitation 37 %
Wind 6 mph
Humidity 97 %
Today
Cloudy Night
Day 75°
Night 63°
Precipitation 50 %
Wind 6 mph

Chapel Hill Weather Forecast Updated

42 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 4, 2025)
Cloudy Weather

Day

66°

Night

39°

Wind

4 mph

UV Index

3

Precipitation

0 %

Air Quality in Chapel Hill

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.5 µg/m³
PM10 7.12 µg/m³
O3 0.043 ppm
NO2 1.5 ppb
SO2 0.7 ppb
CO 0.11 ppm
NH3 0.73 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)
PM2.5 – 2.5 µg/m³
PM10 – 7.12 µg/m³
O3 – 83.97 µg/m³
NO2 – 2.89 µg/m³
SO2 – 1.71 µg/m³
CO – 123.4 µg/m³
NH3 – 0.73 µg/m³
NO – 0 µg/m³