Today | Weather | Monday, September 21, 2026

Weather in Greenville, North Carolina

01:00 PM
Now
Cloudy Weather
90° F
Feels Like 100°
Precipitation 9 %
Wind 5 mph
UV Index (0 - 11+) 6
Humidity 50 %
Today
Sunny with a Chance of Thunderstorms
Day 91°
Night 70°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 6

Greenville Weather Forecast Updated

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

Day

86°

Night

61°

Wind

6 mph

Precipitation

1 %

Air Quality in Greenville

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.36 µg/m³
PM10 5.06 µg/m³
O3 0.046 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.13 ppm
NH3 1.25 µg/m³
NO 0.07 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)
PM2.53.36 µg/m³
PM105.06 µg/m³
O389.36 µg/m³
NO20.41 µg/m³
SO20.26 µg/m³
CO153.9 µg/m³
NH31.25 µg/m³
NO0.07 µg/m³