This includes homemade air purifying devices made from a box fan and an HVAC particulate air filter, he said. Montrose said these homemade purifying boxes are highly effective and cost-effective ...

The research team led by Dr. Hak Joon Kim, Principal Researcher at Department of Urban Environment Research of the Korea ...

Recent studies show that upgrading HVAC systems and using HEPA filters to improve air quality in classrooms provide health ...

How Diesel Particulate Filters work How to avoid DPF problems How much is it to clean a DPF? A Diesel Particulate Filter — known as a DPF for ease — is part of a diesel car's exhaust system, designed ...

At CERN, the European Organisation for Nuclear Research in Geneva, an international research team led by the Paul Scherrer Institute PSI has conducted especially precise measurements of atmospheric ...

Measurements significantly underestimate the amount of harmful substances in particulate matter, according to an ...