Today | Weather | Tuesday, April 28, 2026

Weather in Chapel Hill, North Carolina

02:23 AM
Now
Cloudy Night
57° F
Feels Like 55°
Precipitation 0 %
Wind 5 mph
Humidity 87 %
Today
Cloudy Weather
Day 70°
Night 55°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Chapel Hill Weather Forecast Updated

Air Quality in Chapel Hill

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.37 µg/m³
PM10 5.69 µg/m³
O3 0.036 ppm
NO2 1.3 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 3.32 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)
PM2.52.37 µg/m³
PM105.69 µg/m³
O369.91 µg/m³
NO22.5 µg/m³
SO20.21 µg/m³
CO137.05 µg/m³
NH33.32 µg/m³
NO0 µg/m³