TY - JOUR T1 - All countries, most capital cities fail to meet WHO air standard JF - The Nation's Health JO - Nations Health SP - 19 LP - 20 VL - 52 IS - 4 AU - Michal Ruprecht Y1 - 2022/06/01 UR - http://www.thenationshealth.org/content/52/4/19.2.abstract N2 - No countries and few capital cities met the World Health Organization’s standard for fine particle air pollution in 2021, a recent report finds. ER -