Only USA and SE Asia
A smattering of USA, and a fair number of Chinese, Indian, Thai, Malaysian cities. No dates and times on AQ index values, so no way of knowing how current.
MarielleGK about Air Quality Index – International PM-Pollution
A smattering of USA, and a fair number of Chinese, Indian, Thai, Malaysian cities. No dates and times on AQ index values, so no way of knowing how current.
MarielleGK about Air Quality Index – International PM-Pollution