Today | Weather | Monday, September 21, 2026

Weather in Apex, North Carolina

01:52 PM
Now
Cloudy Weather
91° F
Feels Like 100°
Precipitation 19 %
Wind 6 mph
UV Index (0 - 11+) 5
Humidity 47 %
Today
Sunny with a Chance of Thunderstorms
Day 91°
Night 70°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 6

Apex Weather Forecast Updated

36 minutes ago
Last updated on

Air Quality in Apex

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.3 µg/m³
PM10 6.24 µg/m³
O3 0.048 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.13 ppm
NH3 0.72 µg/m³
NO 0.08 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)
PM2.54.3 µg/m³
PM106.24 µg/m³
O393.78 µg/m³
NO20.52 µg/m³
SO20.54 µg/m³
CO147.41 µg/m³
NH30.72 µg/m³
NO0.08 µg/m³