logo
search icon

Live air quality index in Sierra Madre, California today

Stay updated with real-time air quality in Sierra Madre, 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)

56

Moderate

icon

Sierra Madre, California

Last updated: ... (Local time)

Major air pollutants in Sierra Madre, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

11.85 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

51.55 μg/m³

0

55

155

255

425

605+

Ozone (O3)

30.28 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.40 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

9.85 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

icon

Sierra Madre, California

Get Live Pollen Counts arrow

Track live Sierra Madre, California air quality forecast and history

circleSierra Madre

Loading...

Get reliable air quality data to drive your business


Sierra Madre, California air quality map: Track AQI near you




How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Sierra Madre, California updated?

expand

The air quality for Sierra Madre, California is updated every hour.


When was the worst air quality at Sierra Madre, California in the last 24 hrs?

expand

The worst air quality in Sierra Madre, California in the last 24 hours was observed at 10:00:00 on 2025-06-06.


When was the best air quality at Sierra Madre, California in the last 24 hrs?

expand

In the last 24 hrs, the best air quality in Sierra Madre, California was observed at 10:00:00 on 2025-06-07.


What is the current air quality in Sierra Madre, California?

expand

The current air quality in Sierra Madre, California is 56, categorized as Moderate based on real-time data.


What pollutant is the most common in Sierra Madre, California?

expand

The most common pollutant in Sierra Madre, California is PM2.5.


What should I do if the air quality in Sierra Madre, California is poor?

expand

If the air quality in Sierra Madre, California is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Sierra Madre, California?

expand

The current PM2.5 concentration at Sierra Madre, California is 11.854 μg/m3.


What is the current concentration of PM10 in Sierra Madre, California?

expand

The current PM10 concentration at Sierra Madre, California is 51.549 μg/m3.


What is the current concentration of carbon monoxide (CO) in Sierra Madre, California?

expand

The current carbon monoxide (CO) concentration at Sierra Madre, California is 0.204 ppm.


What is the current concentration of sulfur dioxide (SO2) in Sierra Madre, California?

expand

The current sulfur dioxide (SO2) concentration at Sierra Madre, California is 0.396 ppb.


What is the current concentration of ozone (O3) in Sierra Madre, California?

expand

The current ozone (O3) concentration at Sierra Madre, California is 30.277 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Sierra Madre, California?

expand

The current nitrogen dioxide (NO2) concentration at Sierra Madre, California is 9.852 ppb.


Ambee Footer Logo

All Rights Reserved © Ambee Inc. 2025