Today | Weather | Tuesday, September 1, 2026

Weather in Chapel Hill, North Carolina

11:25 AM
Now
Sunny Weather
86° F
Feels Like 100°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 5
Humidity 68 %
Today
Hot Day
Day 97°
Night 72°
Precipitation 9 %
Wind 5 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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

34 minutes ago
Last updated on

Air Quality in Chapel Hill

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

Pollutant Concentrations:

PM2.5 6.07 µg/m³
PM10 9.27 µg/m³
O3 0.019 ppm
NO2 1.3 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 3.12 µg/m³
NO 0.99 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)
PM2.56.07 µg/m³
PM109.27 µg/m³
O336.8 µg/m³
NO22.48 µg/m³
SO20.67 µg/m³
CO127.08 µg/m³
NH33.12 µg/m³
NO0.99 µg/m³