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Real-time air quality index in Berkeley, California today

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

27

Good

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Berkeley, California

Last updated: ... (Local time)

Major air pollutants in Berkeley, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

4.79 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

20.79 μg/m³

0

55

155

255

425

605+

Ozone (O3)

27.45 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.90 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.86 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.50 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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Berkeley, California

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Berkeley, California air quality map: Stay updated on AQI near you




How accurate is California, USA air quality data?

Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.


Frequently asked questions

How often is air quality information updated for Berkeley, California?

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The air quality information for Berkeley, California is updated every hour for accuracy.


What time in the last 24 hours was the air quality in Berkeley, California at its worst?

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In the past 24 hours, the air quality in Berkeley, California was at its worst at 07:00:00 on 2025-06-05.


When did Berkeley, California experience the best air quality in the last 24 hours?

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In the last 24 hours, the best air quality in Berkeley, California was observed at 05:00:00 on 2025-06-06.


What is the AQI in Berkeley, California right now?

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As of now, the AQI in Berkeley, California is 27, indicating Good conditions.


What is the most common type of pollution in Berkeley, California?

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Berkeley, California air has the highest levels of PM2.5.


What should I do in case of poor air quality in Berkeley, California?

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Poor air quality in Berkeley, California means it's advisable to stay indoors and wear a mask for your protection.


What is the PM2.5 level in Berkeley, California at the moment?

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PM2.5 levels in Berkeley, California are currently 4.787 μg/m3.


What is the PM10 level in Berkeley, California at the moment?

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The PM10 concentration in Berkeley, California is 20.786 μg/m3 at the moment.


What is the carbon monoxide (CO) level in Berkeley, California at the moment?

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The current carbon monoxide (CO) concentration in Berkeley, California is 0.501 ppm.


What is the sulfur dioxide (SO2) level in Berkeley, California at the moment?

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Currently, Berkeley, California has a sulfur dioxide (SO2) concentration of 0.896 ppb.


What is the ozone (O3) level in Berkeley, California at the moment?

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The current ozone (O3) level in Berkeley, California at the moment is 27.449 ppm.


What is the nitrogen dioxide (NO2) level in Berkeley, California at the moment?

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Nitrogen dioxide (NO2) level in Berkeley, California at the moment is 3.864 ppb.


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