Great Atlantic Smog Storm

The Great Atlantic Smog Storm was a powerful storm that raged on Earth from roughly 200080 to at least 200100. There were regular news flashes telling the population when it was safe to breathe outside. (TV: Bad Wolf)

In Doctor Who: The Time Traveller's Almanac, it was revealed that The Great Atlantic Smog Storm was caused by planet-wide pollution becoming so bad by 200080.