Only seven countries meet WHO air quality standard, research finds – The Guardian
- Only seven countries meet WHO air quality standard, research finds The Guardian
- The world’s 100 worst polluted cities are in Asia — and 83 of them are in just one country CNN
- All but 7 Countries on Earth Have Air Pollution Above WHO Standard The New York Times
- Which countries had the worst air quality in 2023? Reuters
- Only Finland, 6 others have clean enough air for safety benchmark: data Business Insider