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Live air quality index in Princeton, Texas today

Stay updated with real-time air quality in Princeton, Texas 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)

44

Good

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Princeton, Texas

Last updated: ... (Local time)

Major air pollutants in Princeton, Texas

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.79 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

39.37 μg/m³

0

55

155

255

425

605+

Ozone (O3)

46.81 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

1.71 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

6.78 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

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Princeton, Texas air quality map: Track AQI near you




How accurate is Texas, USA air quality data?

Air quality data and pollutant measurements for Texas, 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 Princeton, Texas updated?

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The air quality for Princeton, Texas is updated every hour.


When was the worst air quality at Princeton, Texas in the last 24 hrs?

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


When was the best air quality at Princeton, Texas in the last 24 hrs?

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In the last 24 hrs, the best air quality in Princeton, Texas was observed at 12:00:00 on 2025-06-06.


What is the current air quality in Princeton, Texas?

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The current air quality in Princeton, Texas is 44, categorized as Good based on real-time data.


What pollutant is the most common in Princeton, Texas?

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The most common pollutant in Princeton, Texas is O3.


What should I do if the air quality in Princeton, Texas is poor?

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


What is the current concentration of PM2.5 in Princeton, Texas?

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The current PM2.5 concentration at Princeton, Texas is 5.794 μg/m3.


What is the current concentration of PM10 in Princeton, Texas?

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The current PM10 concentration at Princeton, Texas is 39.367 μg/m3.


What is the current concentration of carbon monoxide (CO) in Princeton, Texas?

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The current carbon monoxide (CO) concentration at Princeton, Texas is 0.396 ppm.


What is the current concentration of sulfur dioxide (SO2) in Princeton, Texas?

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The current sulfur dioxide (SO2) concentration at Princeton, Texas is 1.714 ppb.


What is the current concentration of ozone (O3) in Princeton, Texas?

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The current ozone (O3) concentration at Princeton, Texas is 46.811 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Princeton, Texas?

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The current nitrogen dioxide (NO2) concentration at Princeton, Texas is 6.776 ppb.


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