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Live air quality index in Davis, California today

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

16

Good

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Davis, California

Last updated: ... (Local time)

Major air pollutants in Davis, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

3.05 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

13.37 μg/m³

0

55

155

255

425

605+

Ozone (O3)

13.69 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.71 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.07 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Davis, 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 Davis, California updated?

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


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

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The worst air quality in Davis, California in the last 24 hours was observed at 02:00:00 on 2025-07-14.


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

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In the last 24 hrs, the best air quality in Davis, California was observed at 01:00:00 on 2025-07-14.


What is the current air quality in Davis, California?

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The current air quality in Davis, California is 16, categorized as Good based on real-time data.


What pollutant is the most common in Davis, California?

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


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

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


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

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The current PM2.5 concentration at Davis, California is 3.051 μg/m3.


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

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The current PM10 concentration at Davis, California is 13.366 μg/m3.


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

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The current carbon monoxide (CO) concentration at Davis, California is 0.213 ppm.


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

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The current sulfur dioxide (SO2) concentration at Davis, California is 0.714 ppb.


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

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The current ozone (O3) concentration at Davis, California is 13.69 ppm.


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

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The current nitrogen dioxide (NO2) concentration at Davis, California is 3.066 ppb.


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