travel; destinations; Countries with the worst air pollution ranked by World Health Organisation. Portland’s air quality has deteriorated to downright dangerous levels in the past 24 hours -- making it the worst among major cities across the globe. The city’s swelling size has led to illegal homes powered by diesel generators or for those who can’t afford electricity, they burn tires and plastic bags for fuel. WE HEAR a lot about China’s deadly air. The air quality index shows the amount of microscopic particles smaller than 2.5 micrometers in diameter per cubic meter of air. But things are even worse outside of the big cities, according to the EPA's own air quality index trackers. A World Bank report found that outdoor air pollution alone causes more than 80,000 hospital admissions per year; nearly 8,000 cases of chronic bronchitis, and almost five million cases of lower respiratory cases in children under the age of five. The air there is "very unhealthy," meaning that anyone breathing it in, "may experience more serious health effects.". 3 was a 172 on Friday morning. Air pollution is not entirely relegated to the world’s developing nations. Nationwide News Pty Limited Copyright © 2020. Home to nearly 155 million people, the air quality has fallen nearly 60 per cent in the last 10 years. All times AEDT (GMT +11). San Francisco is No. The Natural Resources Defense Council studied one year, 2012, of wildfires in Oregon and concluded that it led to measurable health consequences, including nearly 2,000 emergency room visits, 92 admissions to the hospital for lung and heart problems, 226 premature deaths and $2.1 billion in total health costs. © 2015 Nine Media Corp. CNN name, logo and all associated elements ™ and © 2015 Cable News Network. Ruby Tuesday Matthews heckled over oysters after holding up ... Coronavirus Australia: Scott Morrison says state borders cou... Qantas hopeful COVID bubbles will open with Taiwan, South Ko... Australia’s best award-winning holiday homes revealed. Wildfires are ravaging the West coast. Updated 2011 GMT (0411 HKT) September 14, 2020. The high income country of Bahrain may only have a population of 1.3 million but it scraped in at number 10 on the list due to its high levels of pollution from energy production, dust, smoke and industrial emissions. Pollution from construction sites, industrial emissions, open fires, vehicle emissions and a staggering population of 1.2 billion put India at number nine on the list. Here are the 10 most polluted countries in the world. Here's why. Although the exact AQI levels are changing constantly in the region, it will remain at unhealthy to hazardous levels for a while. 1 position -- as in the worst, with an overall air quality index of 239. (CNN) -- Three major US cities being wreathed in smoke from massive wildfires now have the worst air quality of any big cities in the world, according to a monitoring group. 'It looks like the apocalypse:' See wildfire smoke turn San Francisco's sky orange. The World Health Organization (WHO) released its 2014 report into global air pollution with some concerning finds. The air there is "very unhealthy," meaning that anyone breathing it in, "may experience more serious health effects.". There doesn't appear to be an end in sight for fires or the smoke. A NOTE ABOUT RELEVANT ADVERTISING: We collect information about the content (including ads) you use across this site and use it to make both advertising and content more relevant to you on our network and other sites. ", But in Portland, Oregon, things are significantly worse. Although the exact AQI levels are changing constantly in the region, it will remain at unhealthy to hazardous levels for a while. Portland’s air quality has deteriorated to downright dangerous levels in the past 24 hours -- making it the worst among major cities across the globe. There doesn't appear to be an end in sight for fires or the smoke. Portland and Seattle have the worst air quality in the world as major wildfires burn across the West. THERE are some countries in the world where the air is so polluted you can forget about coming home with a healthy holiday glow. The Cameron Peak Fire, hot temperatures and low humidity made Denver's air quality index, AQI, the worst in the world Sept. 26, a report says. Check back on OregonLive.com. Officials are particularly worried about homeless individuals, as well as people who have jobs outdoors. The air is so full of smoke in Seattle and San Francisco, it's at "unhealthy" levels, according to the Air Quality Index. The air there is "very unhealthy," meaning that anyone breathing it in, "may experience more serious health effects.". The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data. Keep track of the most polluted cities in the world with our air quality index (AQI) ranking. Skip Navigation Levels of 300 to 500 are deemed hazardous.