logo
search icon

Live air quality index in Norwalk, California today

Stay updated with real-time air quality in Norwalk, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

62

Moderate

icon

Norwalk, California

Last updated: ... (Local time)

Major air pollutants in Norwalk, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

15.02 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

37.49 μg/m³

0

55

155

255

425

605+

Ozone (O3)

38.93 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.45 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

10.59 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

icon

Norwalk, California

Get Live Pollen Counts arrow

Track live Norwalk, California air quality forecast and history

circleNorwalk

Loading...

Empower business decisions with accurate air quality data


Norwalk, California air quality map: Real-time AQI near you




How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.


Frequently asked questions

How frequently is the air quality data for Norwalk, California updated?

expand

Air quality data for Norwalk, California is updated on an hourly basis.


When did Norwalk, California experience the worst air quality in the last 24 hours?

expand

The worst air quality in Norwalk, California was recorded at 08:00:00 on 2025-06-06.


When did Norwalk, California have its best air quality in the last 24 hours?

expand

The best air quality in Norwalk, California was recorded at 09:00:00 on 2025-06-06.


What is the real-time air quality index for Norwalk, California?

expand

The real-time air quality index in Norwalk, California is 62, currently categorized as Moderate.


Which pollutant is found most often in Norwalk, California?

expand

The most common pollutant in Norwalk, California is PM2.5.


What can I do if the air quality in Norwalk, California is poor?

expand

If the air quality in Norwalk, California is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Norwalk, California?

expand

The measured PM2.5 levels in Norwalk, California at present are 15.023 μg/m3.


What are the current PM10 levels at Norwalk, California?

expand

The current PM10 levels in Norwalk, California are 37.491 μg/m3.


What are the current carbon monoxide (CO) levels at Norwalk, California?

expand

The current carbon monoxide (CO) level in Norwalk, California is 0.156 ppm.


What are the current sulfur dioxide (SO2) levels at Norwalk, California?

expand

The current sulfur dioxide (SO2) levels in Norwalk, California are 0.447 ppb.


What are the current ozone (O3) levels at Norwalk, California?

expand

The current ozone (O3) levels at Norwalk, California is 38.933 ppm.


What are the current nitrogen dioxide (NO2) levels at Norwalk, California?

expand

The current nitrogen dioxide (NO2) levels at Norwalk, California is 10.593 ppb.


Ambee Footer Logo

All Rights Reserved © Ambee Inc. 2025