201-300 Very unhealthy 301+ Hazardous RankMajor city, country/regionAQI⁺ USFollowers 1 Delhi, India 331 2.8Mfollowers 2 Accra, Ghana 290 9.4Kfollowers 3 Dhaka, Bangladesh 273 250.8Kfollowers 4 Lahore, Pakistan 253 494.6Kfollowers 5
Very unhealthy 301+ Hazardous RankMajor city, country/regionAQI⁺ USFollowers 1 Delhi, India 513 2.8Mfollowers 2 Accra, Ghana 380 9.4Kfollowers 3 Cairo, Egypt 254 43Kfollowers 4 Bishkek, Kyrgyzstan 254 65.4Kfollowers 5 Lahore, Pakistan ...
Most polluted cities Most polluted countries/regions World air quality report summary 2018-2023 World's most polluted countries & regions Most polluted country and region ranking based on annual average PM2.5 concentration (μg/m³) PM2.5 legend ...
The first official city ranking by air quality in China: A review and analysis. Cities, 51: 139-149.N. Sheng and U. W. Tang, "The first official city ranking by air quality in China--a review and analysis," Cities, vol. 51, pp. 139- 149, 2016....
2018 WORLD AIRQUALITY REPORT Region&CityPM2.5Ranking 2| Aboutthisreport...3 Executivesummary...4 Wheredoesthedatacomefrom?...5 WhyPM2.5? Datapresentation...6 WHOAirQualityGuidelines USAirQualityIndex(AQI) Globaloverview...
Jiaozuo and Guangzhou cities in China are selected for the study. Because all four cities are industrial, a large number of industrial emissions cause severe air pollution. The Chinese government has worked to reduce urban air pollution in recent years, but China’s air quality ranking remains at...
“How well do you think the local government has done in solving environmental problems in your area in the past five years” with a total of six possible answers. The ranking was as follows: 1 meant “one-sided emphasis on economic development, ignoring environmental protection work”, 2 ...
Air pollution contributes to the global burden of disease, with ambient exposure to fine particulate matter of diameters smaller than 2.5 μm (PM2.5) being identified as the fifth-ranking risk factor for mortality globally1. Racial/ethnic minorities and lower-income groups in the USA are at a ...
Today, air pollution is the main responsible for environmental quality worsening in many cities all over the world, with adverse outcomes on people’s health (Vlachokostas et al.2011). According to the last World Health Organization (WHO), more than 80% of people living in the urban context...
[23] use interpretation techniques such as saliency maps [26], backward optimization [27], and neuron ranking by their discrimination ability to examine their tornado predictions. Gu et al. [12] note that different models favor different predictor variables and result in different interpretation ...