“From late March to early August, Tehran had only six clean-air days,” the agency said. Other days ranged from moderate to very unhealthy, with at least three classified as hazardous.
The report comes as concerns grow over the government’s…
“From late March to early August, Tehran had only six clean-air days,” the agency said. Other days ranged from moderate to very unhealthy, with at least three classified as hazardous.
The report comes as concerns grow over the government’s…