Today | Weather | Monday, September 21, 2026

Weather in Redding, California

02:47 PM
Now
Cloudy Weather
90° F
Feels Like 91°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 4
Humidity 25 %
Today
Cloudy Weather
Day 90°
Night 57°
Precipitation 1 %
Wind 5 mph
UV Index (0 - 11+) 4

Redding Weather Forecast Updated

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

Day

93°

Night

63°

Wind

6 mph

Precipitation

0 %

Air Quality in Redding

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.79 µg/m³
PM10 8.42 µg/m³
O3 0.047 ppm
NO2 0.3 ppb
SO2 0 ppb
CO 0.11 ppm
NH3 0.25 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)
PM2.55.79 µg/m³
PM108.42 µg/m³
O392.41 µg/m³
NO20.51 µg/m³
SO20.12 µg/m³
CO122.72 µg/m³
NH30.25 µg/m³
NO0.07 µg/m³