Tehran sets record high for cleanest air in five years
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TEHRAN — The number of days with excellent air quality increased to 28 days in the capital of Iran, Tehran, director of Tehran province department of environment has said.Tehran sets record high for cleanest air in five years
TEHRAN — The number of days with excellent air quality increased to 28 days in the capital of Iran, Tehran, director of Tehran province department of environment has said. Read more