Pakistan’s own pollution causes smog, say experts – Pakistan
LAHORE: As Lahore's smog levels exceeded 550 in the Air Quality Index, meant as dangerous, environmental experts and activists express their dismay and horror at what will develop further. According to some instruments installed in Lahore, the Gulberg area even registered 600 AQI. The last level of "dangerous" in the AQI is between 250 and […]