Today | Weather | Sunday, November 23, 2025

Weather in Norwalk, California

10:43 AM
Now
Cloudy Weather
64° F
Feels Like 70°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3
Humidity 69 %
Today
Sunny Weather
Day 72°
Night 54°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Norwalk Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 23, 2024)
Rainy Weather

Day

63°

Night

55°

Wind

4 mph

Precipitation

65 %

Air Quality in Norwalk

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

Pollutant Concentrations:

PM2.5 10.23 µg/m³
PM10 22.53 µg/m³
O3 0.042 ppm
NO2 0.6 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 0.01 µg/m³
NO 0.24 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)
PM2.510.23 µg/m³
PM1022.53 µg/m³
O381.69 µg/m³
NO21.22 µg/m³
SO20.85 µg/m³
CO152.09 µg/m³
NH30.01 µg/m³
NO0.24 µg/m³