After what feels like weeks of rain and the thickening encroachment of grey, choking smog that usually signals the onslaught of winter in China, today Shanghai has been rewarded with a practically azure-colored sky.
This is a shot of West Nanjing Road, a popular pedestrian street leading to People’s Square, the center of downtown Shanghai. From this angle the World Financial Center ( commonly known among expats here as the “bottle-cap opener building”) and the Shanghai Tower, Pudong’s defining – and tallest – skyscraper. Both of these buildings are part of the city’s now iconic skyline on The Bund, one of Shanghai’s prime tourist attractions.
I typically gauge the city’s level of smog by the visibility of those skyscrapers. If I can clearly see the buildings, as I can today, I figure it’s a good day. There are some days – yesterday morning, in fact – when the air pollution is so thick that both of the buildings are almost completely obscured. On those days, I have to squint to make out any faded sign of the mammoth Shanghai Tower.
It’s a beautiful day today. But, is it a clean day? My Air Quality Index application tells me I shouldn’t trust my eyes. Despite the lovely facade, there is still apparently an unhealthy level of PM 2.5 in the air today. As I’ve already written, particulate matter 2.5 – a byproduct of exhaust fumes and burning fossil fuels – has been linked with various health disorders, including respiratory diseases and blood clots.
An AQI under 50 is categorized as a “healthy” level of PM 2.5. Anything above 100 is considered “unhealthy.” The most concerning category, between 301-500, is “hazardous.”
I’m pretty sure my entire winter in Jinan, Shandong last year consisted of “hazardous” days. Those aren’t as common in Shanghai.