Shanghai
What Time of Day Is AQI the Lowest?
My intuition has always been that there is less air pollution at night because there are fewer cars on the road and fewer factories humming at that time of day. Pollution Time of Day Guesses Apparently, I’m not alone: 139 voted for their guess about what time of day has …
Air Pollution in China’s Largest Cities: 2022 vs. 2021
How was air pollution in China’s major cities in 2022? Fortunately, air pollution in most cities improved in 2022 over 2021, but a few cities lagged behind. Let’s take a closer look at how air quality fared in China’s major cities. A Quick Glance Air pollution in 16 major Chinese …
Has Pollution in China’s Major Cities Increased in 2021?
China’s economy has rebounded in 2021 from major slowdowns due to COVID-19 the previous year. But has the economic rebound come at the cost of more air pollution and worse air quality in China’s major cities? Smart Air analyzed PM2.5, PM10, and ozone pollution data for 10 major Chinese cities …
China’s Air Quality Improved 9% in 2020, is COVID-19 the Reason?
On paper, China’s “war” on air pollution is still underway. But with COVID-19 disrupting the first half of 2020, has air quality really improved? Smart Air analyzed PM2.5 data for 11 of China’s major cities to get to the bottom of it. The data showed average PM2.5 reduced 9% compared …
Shanghai Air Pollution Progress Stalls, Worsens Slightly
A Smart Air analysis of 2019 air pollution data found that Shanghai’s PM2.5 improvement has stalled out, actually increasing by 3% over 2018. A tally of “good” air dropped by 9.3% in 2019. In 2018, 32% of days in Shanghai qualified as “good”. In 2019, that dropped to 23%. Daily …
Did China’s Air Quality Improve in 2019?
After a big improvement in 2018, new data shows China’s war on air pollution is slowing down. A Smart Air analysis of 2019 PM2.5 data for China’s 15 largest cities found that more than half saw worse air quality over 2018. Maps comparing average PM2.5 in December 2018 to December 2019 …
This One Region in China Saw a Pollution Miracle in 2018
New analysis from Smart Air shows that China is making progress on its “war on air pollution.” PM2.5 air pollution was down in 14 out of China’s 15 largest cities. Yet one region saw far more progress than the rest. South Sees Modest Air Quality Gains In southern China, from …
Did China’s Air Get Better in 2018?
New data analysis from Smart Air shows that air quality improved in 14 out China’s 15 largest cities. This data suggests China’s “war on air pollution” seems to be working. This analysis uses over 21,000 daily average PM2.5 data points from official sensors around the country. Beijing Famous …
After Best January on Record, Beijing PM2.5 Worsens
After best January on record, China’s air pollution worsens An analysis by Smart Air of data from pollution stations found that, after Beijing’s best year on record, Beijing PM2.5 levels are now worse than 2017. Data from 11 other major cities showed similar trends. Beijing Compared to …
