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Live air quality index in Upper Allen, Pennsylvania today

Stay updated with real-time air quality in Upper Allen, Pennsylvania 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)

56

Moderate

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Upper Allen, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in Upper Allen, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

11.56 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

50.16 μg/m³

0

55

155

255

425

605+

Ozone (O3)

13.36 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.22 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

8.19 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Upper Allen, Pennsylvania

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Upper Allen, Pennsylvania air quality map: Real-time AQI near you




How accurate is Pennsylvania, USA air quality data?

Air quality measurements for Pennsylvania, 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 Upper Allen, Pennsylvania updated?

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Air quality data for Upper Allen, Pennsylvania is updated on an hourly basis.


When did Upper Allen, Pennsylvania experience the worst air quality in the last 24 hours?

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The worst air quality in Upper Allen, Pennsylvania was recorded at 06:00:00 on 2025-06-06.


When did Upper Allen, Pennsylvania have its best air quality in the last 24 hours?

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The best air quality in Upper Allen, Pennsylvania was recorded at 06:00:00 on 2025-06-07.


What is the real-time air quality index for Upper Allen, Pennsylvania?

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The real-time air quality index in Upper Allen, Pennsylvania is 56, currently categorized as Moderate.


Which pollutant is found most often in Upper Allen, Pennsylvania?

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The most common pollutant in Upper Allen, Pennsylvania is PM2.5.


What can I do if the air quality in Upper Allen, Pennsylvania is poor?

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


What are the current PM2.5 levels in Upper Allen, Pennsylvania?

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The measured PM2.5 levels in Upper Allen, Pennsylvania at present are 11.557 μg/m3.


What are the current PM10 levels at Upper Allen, Pennsylvania?

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The current PM10 levels in Upper Allen, Pennsylvania are 50.155 μg/m3.


What are the current carbon monoxide (CO) levels at Upper Allen, Pennsylvania?

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The current carbon monoxide (CO) level in Upper Allen, Pennsylvania is 0.355 ppm.


What are the current sulfur dioxide (SO2) levels at Upper Allen, Pennsylvania?

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The current sulfur dioxide (SO2) levels in Upper Allen, Pennsylvania are 0.224 ppb.


What are the current ozone (O3) levels at Upper Allen, Pennsylvania?

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The current ozone (O3) levels at Upper Allen, Pennsylvania is 13.355 ppm.


What are the current nitrogen dioxide (NO2) levels at Upper Allen, Pennsylvania?

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The current nitrogen dioxide (NO2) levels at Upper Allen, Pennsylvania is 8.191 ppb.


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