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Live air quality index in Oceanside, California today

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

35

Good

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Oceanside, California

Last updated: ... (Local time)

Major air pollutants in Oceanside, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.70 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

16.02 μg/m³

0

55

155

255

425

605+

Ozone (O3)

37.97 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.68 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.31 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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Oceanside, California

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How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Oceanside, California updated?

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The air quality for Oceanside, California is updated every hour.


When was the worst air quality at Oceanside, California in the last 24 hrs?

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The worst air quality in Oceanside, California in the last 24 hours was observed at 11:00:00 on 2025-06-05.


When was the best air quality at Oceanside, California in the last 24 hrs?

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


What is the current air quality in Oceanside, California?

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The current air quality in Oceanside, California is 35, categorized as Good based on real-time data.


What pollutant is the most common in Oceanside, California?

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The most common pollutant in Oceanside, California is O3.


What should I do if the air quality in Oceanside, California is poor?

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If the air quality in Oceanside, California is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Oceanside, California?

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The current PM2.5 concentration at Oceanside, California is 5.702 μg/m3.


What is the current concentration of PM10 in Oceanside, California?

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The current PM10 concentration at Oceanside, California is 16.025 μg/m3.


What is the current concentration of carbon monoxide (CO) in Oceanside, California?

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The current carbon monoxide (CO) concentration at Oceanside, California is 0.269 ppm.


What is the current concentration of sulfur dioxide (SO2) in Oceanside, California?

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The current sulfur dioxide (SO2) concentration at Oceanside, California is 0.682 ppb.


What is the current concentration of ozone (O3) in Oceanside, California?

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The current ozone (O3) concentration at Oceanside, California is 37.973 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Oceanside, California?

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The current nitrogen dioxide (NO2) concentration at Oceanside, California is 3.306 ppb.


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