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Live air quality index in Riverside, California today

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

75

Moderate

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Riverside, California

Last updated: ... (Local time)

Major air pollutants in Riverside, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

21.94 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

47.12 μg/m³

0

55

155

255

425

605+

Ozone (O3)

52.31 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.25 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

7.55 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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Riverside, California

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Riverside, 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 Riverside, California updated?

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


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

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The worst air quality in Riverside, California was recorded at 12:00:00 on 2025-06-06.


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

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The best air quality in Riverside, California was recorded at 09:00:00 on 2025-06-06.


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

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The real-time air quality index in Riverside, California is 75, currently categorized as Moderate.


Which pollutant is found most often in Riverside, California?

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


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

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


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

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The measured PM2.5 levels in Riverside, California at present are 21.942 μg/m3.


What are the current PM10 levels at Riverside, California?

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The current PM10 levels in Riverside, California are 47.117 μg/m3.


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

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The current carbon monoxide (CO) level in Riverside, California is 0.293 ppm.


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

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The current sulfur dioxide (SO2) levels in Riverside, California are 0.253 ppb.


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

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The current ozone (O3) levels at Riverside, California is 52.307 ppm.


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

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The current nitrogen dioxide (NO2) levels at Riverside, California is 7.549 ppb.


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