We've updated our Privacy Policy to make it clearer how we use your personal data.

We use cookies to provide you with a better experience. You can read our Cookie Policy here.

Advertisement
What, When and How Much?
News

What, When and How Much?

What, When and How Much?
News

What, When and How Much?

Credit: Pixabay.
Read time:
 

Want a FREE PDF version of This News Story?

Complete the form below and we will email you a PDF version of "What, When and How Much?"

First Name*
Last Name*
Email Address*
Country*
Company Type*
Job Function*
Would you like to receive further email communication from Technology Networks?

Technology Networks Ltd. needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time. For information on how to unsubscribe, as well as our privacy practices and commitment to protecting your privacy, check out our Privacy Policy

Scientists have linked air pollution with many health conditions including asthma, heart disease, lung cancer and premature death. Among air pollutants, fine particulate matter is especially harmful because the tiny particles (diameter of 2.5 mm or less) can penetrate deep within the lungs. Now, researchers have integrated data from multiple sources to determine the personal exposure of people in peri-urban India to fine particulate matter. They report their results in Environmental Science & Technology.

According to the World Health Organization, 11 of the 12 cities with the world’s highest levels of fine particulate matter are located in India. Human sources of these air pollutants include factory emissions, car exhaust and cooking stoves. Countries with limited resources often have increased air pollution compared with other countries, and their sources of exposure are likely different. However, few studies have been conducted to measure personal exposure to air pollutants in these regions. Cathryn Tonne and colleagues wondered if they could use a combination of techniques to measure the contributions of time (when?), location (where?) and people’s activities (what?) to personal exposure to fine particulates in peri-urban India.


The team characterized the personal exposures of 50 study participants in South India over several 24-hour periods. To do so, they integrated data from GPS devices, wearable cameras, questionnaires, and ambient and personal measurements of fine particulate matter. The researchers found significant differences between men and women, with men showing higher levels of personal exposure throughout the day. For women, exposures were mostly related to cooking. For the men, who largely did not engage in cooking, higher exposures were linked to their presence near food preparation, smoking or industry.

This article has been republished from materials provided by the American Chemical Society. Note: material may have been edited for length and content. For further information, please contact the cited source.

Reference
When, Where, and What? Characterizing Personal PM2.5 Exposure in Periurban India by Integrating GPS, Wearable Camera, and Ambient and Personal Monitoring Data. Carles Milà, Maëlle Salmon, Margaux Sanchez, Albert Ambrós, Santhi Bhogadi, V. Sreekanth, Mark Nieuwenhuijsen, Sanjay Kinra, Julian D. Marshall, and Cathryn Tonne. Environ. Sci. Technol., DOI: 10.1021/acs.est.8b03075.

Advertisement