1. History of Air Pollution Control in Japan (Michio Mashimoto). Introduction. The prewar period. Local initiatives in the postwar period. The role of the central bureaucracy in regional industrial development and the smoke and soot regulation law of 1962. The 1967 basic law, the 1968 air pollution control law, and the AAQS for SO 2 . 1970-74: The pace of change quickens. The pollution trials. Pollution management and total mass emission regulation. Automobile exhaust control, 1965-83. Truck and bus exhaust control. AAQS for NO 2 and NO x control plan. Air pollution control and energy. Specific air pollutants. Evolution of air quality management. International perspectives in Japanese pollution control. How Japan conquered air pollution: a historical summary. Conclusion. References. 2. Health Effects of Air Pollution (Hitoshi Kasuga). Basis of epidemiological study. Air pollution and its health effects in Japan for the two postwar decades. Tokyo-Yokohama asthma. Yokkaichi asthma. Relationship between asthma and air pollution. Compound air pollution. Health effect of NO 2 . Other types of air pollution. References. 3. Emission Control Technology (Hajime Nishimura and Masayoshi Sadakata). Automobile emission control. NO x emission control from stationary sources. SO x emission control from stationary sources. References. 4. Monitoring and Simulation (Yukio Yanagisawa). Continuous monitoring. Passive monitoring. Atmospheric models. Estimation of emission. Example of computer simulation. References. 5. System for Regulation (Saburo Kato). Basic framework for air pollution control. Regulation of SO x . Regulation of NO x . Regulations of particulates, hydrocarbons, and other toxic substances. Unique efforts by local governments and industry. General references. 6. The Pollution-Related Health Damage Compensation Law (Michio Hashimoto). Introduction. The four pollution cases. Litigation. Legislation. The pollution-related health damage compensation law. Performance and problems. Conclusion. References. Subject Index.