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Live air quality index in Marysville, California today

Stay updated with real-time air quality in Marysville, 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)

33

Good

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Marysville, California

Last updated: ... (Local time)

Major air pollutants in Marysville, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

6.46 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

11.27 μg/m³

0

55

155

255

425

605+

Ozone (O3)

21.45 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.80 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

4.39 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Marysville, California

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Marysville, 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 Marysville, California updated?

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


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

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The worst air quality in Marysville, California was recorded at 03:00:00 on 2025-06-07.


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

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The best air quality in Marysville, California was recorded at 05:00:00 on 2025-06-06.


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

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The real-time air quality index in Marysville, California is 33, currently categorized as Good.


Which pollutant is found most often in Marysville, California?

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


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

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


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

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The measured PM2.5 levels in Marysville, California at present are 6.462 μg/m3.


What are the current PM10 levels at Marysville, California?

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The current PM10 levels in Marysville, California are 11.267 μg/m3.


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

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The current carbon monoxide (CO) level in Marysville, California is 0.278 ppm.


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

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The current sulfur dioxide (SO2) levels in Marysville, California are 0.796 ppb.


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

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The current ozone (O3) levels at Marysville, California is 21.449 ppm.


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

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The current nitrogen dioxide (NO2) levels at Marysville, California is 4.393 ppb.


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