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Live air quality index in Alton, Texas today

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

52

Moderate

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Alton, Texas

Last updated: ... (Local time)

Major air pollutants in Alton, Texas

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

9.57 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

37.02 μg/m³

0

55

155

255

425

605+

Ozone (O3)

18.21 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.70 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

4.52 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.34 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Alton, 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 Alton, Texas updated?

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


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

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


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

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In the last 24 hrs, the best air quality in Alton, Texas was observed at 03:00:00 on 2025-06-05.


What is the current air quality in Alton, Texas?

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The current air quality in Alton, Texas is 52, categorized as Moderate based on real-time data.


What pollutant is the most common in Alton, Texas?

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The most common pollutant in Alton, Texas is PM2.5.


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

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


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

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The current PM2.5 concentration at Alton, Texas is 9.574 μg/m3.


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

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The current PM10 concentration at Alton, Texas is 37.015 μg/m3.


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

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The current carbon monoxide (CO) concentration at Alton, Texas is 0.344 ppm.


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

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The current sulfur dioxide (SO2) concentration at Alton, Texas is 0.702 ppb.


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

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The current ozone (O3) concentration at Alton, Texas is 18.215 ppm.


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

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The current nitrogen dioxide (NO2) concentration at Alton, Texas is 4.52 ppb.


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