Vehicle fumes, industrial emissions and smoke from burning crop stubble have combined to cover two of Thailand’s largest cities, Bangkok and Chiang Mai, with a blanket of yellow/grey fog that has hospitalised 200,000 people inside a week.
Last week we reported on the new partnership between Air Canada and IAGOS (In-Service Aircraft for a Global Observing System (IAGOS) whereby the airline would carry diagnostic sensors to assist the international non-profit organisation in monitoring air quality around the world.