Today | Weather | Saturday, January 3, 2026

Weather in Norwalk, California

04:17 AM
Now
Cloudy Weather
61° F
Feels Like 59°
Precipitation 39 %
Wind 5 mph
Humidity 90 %
Today
Rainy Weather
Day 64°
Night 57°
Precipitation 93 %
Wind 6 mph
UV Index (0 - 11+) 1

Norwalk Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 3, 2025)
Cloudy Weather

Day

61°

Night

48°

Wind

4 mph

UV Index

3

Precipitation

0 %

Air Quality in Norwalk

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.19 µg/m³
PM10 2.39 µg/m³
O3 0.044 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0 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)
PM2.51.19 µg/m³
PM102.39 µg/m³
O385.82 µg/m³
NO20.18 µg/m³
SO20.1 µg/m³
CO113.22 µg/m³
NH30 µg/m³
NO0 µg/m³