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Live air quality index in Danville, California today

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

38

Good

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Danville, California

Last updated: ... (Local time)

Major air pollutants in Danville, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

6.90 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

30.19 μg/m³

0

55

155

255

425

605+

Ozone (O3)

34.30 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.70 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

5.95 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.40 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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Danville, California

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Danville, 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 Danville, California updated?

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


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

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


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

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The best air quality in Danville, California was recorded at 10:00:00 on 2025-06-06.


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

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The real-time air quality index in Danville, California is 38, currently categorized as Good.


Which pollutant is found most often in Danville, California?

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


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

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


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

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The measured PM2.5 levels in Danville, California at present are 6.902 μg/m3.


What are the current PM10 levels at Danville, California?

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The current PM10 levels in Danville, California are 30.193 μg/m3.


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

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The current carbon monoxide (CO) level in Danville, California is 0.401 ppm.


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

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The current sulfur dioxide (SO2) levels in Danville, California are 0.7 ppb.


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

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The current ozone (O3) levels at Danville, California is 34.298 ppm.


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

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The current nitrogen dioxide (NO2) levels at Danville, California is 5.953 ppb.


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