TOKYO -- The economic burden of health problems caused by hazardous small particles known as PM2.5 totals about $110 billion a year in Japan, according to a study by the University of Tokyo.

According to IQAir, as of 9:45 AM today, the air quality index (AQI) in Kathmandu was recorded at 268. The worst air quality currently is in the Indian capital, New Delhi, where the AQI stands at 395.

The victims she was referring to are the survivors of the Great Tokyo Air Raid that killed 100,000 people in the capital during World War II. And the investigation relates to the stalled Diet ...