As we enter the colder months on the northern hemisphere, air pollution levels rise. Much of Europe is affected, but can hardly match the soaring levels in Northern India.
Did the huge forest fires on the US West Coast in September impact air quality in Europe? Not really, the measurements show. What did have an impact, was dust transported by winds from south east.
Last week, you'd rather breathe Delhi air than take a stroll in San Francisco. Smoke and ashes from the huge forest make air quality on the US West Coast the worst in the world.
