Air pollution ranks among the top causes of death in the world. But which cities and countries are the most polluted (dirtiest) in the world? Smart Air analyzed 2022 PM2.5 data for 529 major cities from 88 countries around the world to create the 2023 updated ranking of the “Top …
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 …
Looking to find one of the least polluted cities in China to get a break from the pollution? Here is a list of the least polluted cities for 2023 with the best air quality in China. Rankings: Least Polluted Cities in China (2023) 1. Lhasa, Tibet (6.48 μg/m3) 2. Haikou, …
Cities in China have consistently ranked among the most polluted in the world. Just how bad is it? Smart Air analyzed 2022 pollution data from 51 cities in China to find the most polluted cities in China. Rankings: Most Polluted Cities in China (2020) 1) Xi’an, Shaanxi Province (48.11 μg/m3) …
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 …
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 …
The lockdown caused by the COVID-19 epidemic saw the numbers of trucks and buses on the road reduce by 77% and 36%, respectively. Hundreds of factories were also closed for an extended period of time. Despite Smart Air analysis showing an increase in PM2.5 levels during February, there have been …
Planting trees to solve China’s air pollution would be a very ineffective way. Let me break down the effect of trees into (1) sucking up particulate and (2) giving particles a place to land. 1. How Much Particulate Air Pollution Do Trees Suck Up? Let’s talk about the most commonly …
There are reasons to be pessimistic about the air quality in Tangshan. Tangshan is a largely industrial city in Hebei province, which is the industrial heartland of China and one of the most polluted provinces. Tangshan also boasts one of China’s top 10 busiest ports. To get some …
Beijing and Delhi often make headlines for air polluted cities, but which city has worse air? I wanted to get some hard numbers on how the two cities’ air quality compare. The Data To do that, I analyzed PM2.5 data from the US Embassies in Delhi and government monitors …
