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Live air quality index in Temecula, California today

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

20

Good

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Temecula, California

Last updated: ... (Local time)

Major air pollutants in Temecula, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

2.60 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

9.57 μg/m³

0

55

155

255

425

605+

Ozone (O3)

22.03 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.41 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

6.33 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

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Temecula, California

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Temecula, 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 Temecula, California updated?

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


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

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The worst air quality in Temecula, California was recorded at 03:00:00 on 2025-06-04.


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

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The best air quality in Temecula, California was recorded at 02:00:00 on 2025-06-04.


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

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The real-time air quality index in Temecula, California is 20, currently categorized as Good.


Which pollutant is found most often in Temecula, California?

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The most common pollutant in Temecula, California is O3.


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

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


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

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The measured PM2.5 levels in Temecula, California at present are 2.596 μg/m3.


What are the current PM10 levels at Temecula, California?

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The current PM10 levels in Temecula, California are 9.573 μg/m3.


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

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The current carbon monoxide (CO) level in Temecula, California is 0.201 ppm.


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

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The current sulfur dioxide (SO2) levels in Temecula, California are 0.409 ppb.


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

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The current ozone (O3) levels at Temecula, California is 22.031 ppm.


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

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The current nitrogen dioxide (NO2) levels at Temecula, California is 6.328 ppb.


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