Today | Weather | Saturday, October 24, 2026

Weather in Norwalk, California

04:30 PM
Now
Sunny Weather
81° F
Feels Like 81°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 2
Humidity 39 %
Today
Sunny Weather
Day 82°
Night 57°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 4

Norwalk Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 24, 2025)
Cloudy Night

Day

79°

Night

59°

Wind

4 mph

Precipitation

0 %

Air Quality in Norwalk

NOW
62 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.53 µg/m³
PM10 13.38 µg/m³
O3 0.058 ppm
NO2 0.3 ppb
SO2 0.6 ppb
CO 0.14 ppm
NH3 0.03 µg/m³
NO 0.06 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 8.53 µg/m³
PM10 – 13.38 µg/m³
O3 – 113.4 µg/m³
NO2 – 0.58 µg/m³
SO2 – 1.5 µg/m³
CO – 161.65 µg/m³
NH3 – 0.03 µg/m³
NO – 0.06 µg/m³