- Air pollution in Dhaka, Bangladesh
- Air pollution in Bitola, North Macedonia
- Air pollution in Kabwe, Zambia
- Air pollution in Cairo, Egypt
- Air Pollution In Nigeria
- Air pollution in Skopje, North Macedonia
- Air pollution in Lima, Peru
- Acid rain in Rocky Mountain National Park
- Air pollution in Almaty, Kazakhstan
- Air pollution in Bishkek Kyrgyzstan
- Air pollution in Mexico City
- Air pollution in Bangalore, India
- Air pollution in Baghdad, Iraq
- Air pollution in Accra, Ghana
- Air pollution in Bushehr, Iran
- Air pollution in Shijiazhuang, Hebei Province, China
- Air pollution in New Delhi, India
- Air pollution in Patna, India
- Air pollution in Tashkent
- Air pollution in Norilsk, Russia
- Air pollution in Gurugram, India
- Air pollution in Peshawar, Pakistan
- Accident at the Chernobyl Nuclear Power Plant, Ukraine
- Air pollution in Riyadh, Saudi Arabia
- Air pollution in Lucknow, India
- Air pollution in Gwalior, India
- Air pollution in Raipur, India
- Air pollution in Karachi, Pakistan
- Acid Rain in the Black Forest in southwestern Germany
- Air pollution in Rajasthan's Bhiwadi, India
- Acid rain in the Kronau forest, Germany
- Air pollution in Lahore, Pakistan
- Air pollution in Tehran, Iran
- Bushfires in Australia
- Air pollution from asparagus burning in Caborca, Mexico
- Cancer Alley, Louisiana US
- One of the Most Polluted Cities on Earth, Karabash, Russia