This book is primarily designed for readers keen to enhance their knowledge in air quality and its various monitoring methods. It presents studies on the interrelation between fungal contamination and its repercussions in large Asian cities, evaluation of ambient air quality in Delhi, and a well-researched study of air pollutants emerging from road traffic. The book also discusses the air quality in low-energy structures, and various aspects of the Sentinel technique to resolve pollution problems. Finally, it also serves as a guide in the evaluation of dry atmospheric deposition at sites in the vicinity of fuel oil fired power, and particles, especially PM 10, in indoor locations.