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Live air quality index in Granite Bay, California today

Stay updated with real-time air quality in Granite Bay, 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)

38

Good

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Granite Bay, California

Last updated: ... (Local time)

Major air pollutants in Granite Bay, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

6.57 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

25.73 μg/m³

0

55

155

255

425

605+

Ozone (O3)

35.95 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.95 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

2.48 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Granite Bay, California

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Granite Bay, 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 Granite Bay, California updated?

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


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

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The worst air quality in Granite Bay, California was recorded at 01:00:00 on 2025-06-07.


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

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The best air quality in Granite Bay, California was recorded at 02:00:00 on 2025-06-07.


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

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The real-time air quality index in Granite Bay, California is 38, currently categorized as Good.


Which pollutant is found most often in Granite Bay, California?

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The most common pollutant in Granite Bay, California is PM2.5.


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

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


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

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The measured PM2.5 levels in Granite Bay, California at present are 6.57 μg/m3.


What are the current PM10 levels at Granite Bay, California?

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The current PM10 levels in Granite Bay, California are 25.729 μg/m3.


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

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The current carbon monoxide (CO) level in Granite Bay, California is 0.218 ppm.


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

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The current sulfur dioxide (SO2) levels in Granite Bay, California are 0.954 ppb.


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

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The current ozone (O3) levels at Granite Bay, California is 35.952 ppm.


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

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The current nitrogen dioxide (NO2) levels at Granite Bay, California is 2.475 ppb.


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