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Real-time air quality index in Corona, California today

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

60

Moderate

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Corona, California

Last updated: ... (Local time)

Major air pollutants in Corona, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

13.87 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

43.39 μg/m³

0

55

155

255

425

605+

Ozone (O3)

56.62 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.37 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

12.76 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Corona, California

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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 Corona, California?

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


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

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In the past 24 hours, the air quality in Corona, California was at its worst at 08:00:00 on 2025-06-06.


When did Corona, 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 Corona, California was observed at 06:00:00 on 2025-06-06.


What is the AQI in Corona, California right now?

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As of now, the AQI in Corona, California is 60, indicating Moderate conditions.


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

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


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

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


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

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PM2.5 levels in Corona, California are currently 13.874 μg/m3.


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

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The PM10 concentration in Corona, California is 43.387 μg/m3 at the moment.


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

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The current carbon monoxide (CO) concentration in Corona, California is 0.308 ppm.


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

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Currently, Corona, California has a sulfur dioxide (SO2) concentration of 0.371 ppb.


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

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The current ozone (O3) level in Corona, California at the moment is 56.616 ppm.


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

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Nitrogen dioxide (NO2) level in Corona, California at the moment is 12.758 ppb.


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