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Live air quality index in State College, Pennsylvania today

Stay updated with real-time air quality in State College, 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)

45

Good

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State College, Pennsylvania

Last updated: ... (Local time)

Major air pollutants in State College, Pennsylvania

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.65 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

24.47 μg/m³

0

55

155

255

425

605+

Ozone (O3)

48.75 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.28 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.73 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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State College, Pennsylvania

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State College, 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 State College, Pennsylvania updated?

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Air quality data for State College, Pennsylvania is updated on an hourly basis.


When did State College, Pennsylvania experience the worst air quality in the last 24 hours?

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The worst air quality in State College, Pennsylvania was recorded at 01:00:00 on 2025-06-06.


When did State College, Pennsylvania have its best air quality in the last 24 hours?

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The best air quality in State College, Pennsylvania was recorded at 10:00:00 on 2025-06-06.


What is the real-time air quality index for State College, Pennsylvania?

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The real-time air quality index in State College, Pennsylvania is 45, currently categorized as Good.


Which pollutant is found most often in State College, Pennsylvania?

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The most common pollutant in State College, Pennsylvania is O3.


What can I do if the air quality in State College, Pennsylvania is poor?

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


What are the current PM2.5 levels in State College, Pennsylvania?

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The measured PM2.5 levels in State College, Pennsylvania at present are 5.648 μg/m3.


What are the current PM10 levels at State College, Pennsylvania?

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The current PM10 levels in State College, Pennsylvania are 24.471 μg/m3.


What are the current carbon monoxide (CO) levels at State College, Pennsylvania?

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The current carbon monoxide (CO) level in State College, Pennsylvania is 0.22 ppm.


What are the current sulfur dioxide (SO2) levels at State College, Pennsylvania?

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The current sulfur dioxide (SO2) levels in State College, Pennsylvania are 0.28 ppb.


What are the current ozone (O3) levels at State College, Pennsylvania?

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The current ozone (O3) levels at State College, Pennsylvania is 48.753 ppm.


What are the current nitrogen dioxide (NO2) levels at State College, Pennsylvania?

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The current nitrogen dioxide (NO2) levels at State College, Pennsylvania is 3.726 ppb.


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