Bad cities

If you have respiratory problems or don’t want to foul your lungs too much when you travel, you may want to avoid India, the Middle East, and China. They are home to the most polluted cities in the world. This will probably not surprise anyone who has been to the countries listed below, but the …

There are some places in this hemisphere that have some bad air, like Los Angeles, Mexico City, and Lima. But they’ve got nothing on the smoking guns of Asia, which make these places look like a blue-sky island. But where is the worst place to take in a lungful really? That’s not an easy question …