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Live air quality index in Falmouth, Massachusetts today

Stay updated with real-time air quality in Falmouth, Massachusetts 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)

49

Good

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Falmouth, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Falmouth, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

9.06 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

47.19 μg/m³

0

55

155

255

425

605+

Ozone (O3)

28.87 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.64 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.34 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Falmouth, Massachusetts air quality map: Track AQI near you




How accurate is Massachusetts, USA air quality data?

Air quality data and pollutant measurements for Massachusetts, 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 Falmouth, Massachusetts updated?

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The air quality for Falmouth, Massachusetts is updated every hour.


When was the worst air quality at Falmouth, Massachusetts in the last 24 hrs?

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The worst air quality in Falmouth, Massachusetts in the last 24 hours was observed at 02:00:00 on 2025-06-06.


When was the best air quality at Falmouth, Massachusetts in the last 24 hrs?

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In the last 24 hrs, the best air quality in Falmouth, Massachusetts was observed at 08:00:00 on 2025-06-07.


What is the current air quality in Falmouth, Massachusetts?

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The current air quality in Falmouth, Massachusetts is 49, categorized as Good based on real-time data.


What pollutant is the most common in Falmouth, Massachusetts?

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The most common pollutant in Falmouth, Massachusetts is PM2.5.


What should I do if the air quality in Falmouth, Massachusetts is poor?

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


What is the current concentration of PM2.5 in Falmouth, Massachusetts?

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The current PM2.5 concentration at Falmouth, Massachusetts is 9.061 μg/m3.


What is the current concentration of PM10 in Falmouth, Massachusetts?

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The current PM10 concentration at Falmouth, Massachusetts is 47.188 μg/m3.


What is the current concentration of carbon monoxide (CO) in Falmouth, Massachusetts?

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The current carbon monoxide (CO) concentration at Falmouth, Massachusetts is 0.2 ppm.


What is the current concentration of sulfur dioxide (SO2) in Falmouth, Massachusetts?

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The current sulfur dioxide (SO2) concentration at Falmouth, Massachusetts is 0.643 ppb.


What is the current concentration of ozone (O3) in Falmouth, Massachusetts?

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The current ozone (O3) concentration at Falmouth, Massachusetts is 28.87 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Falmouth, Massachusetts?

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The current nitrogen dioxide (NO2) concentration at Falmouth, Massachusetts is 3.338 ppb.


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