What is PM10?

The options are not shown, since this is one of the 1,000 paid questions.
Buy all 1,000 questions now »

Inhalable particles, PM10, are microscopic particles. PM10 stands for ‘particulate matter 10’ and indicates the mass of particles with a diameter of less than 10 micrometres (millionth of a meter). These particles can be inhaled and the smallest ones can get down into the lungs.” (Swedish Transport Administration)

Buy all 1,000 questions in English for car (category B)