Sentence examples for raise smog levels from inspiring English sources

Beijing frequently features near the top of the list of China's most polluted cities as emissions from vehicles and heavy industry combine with weather conditions to raise smog levels.

The presence of such heat islands increases energy use and raises smog levels.

Artist Auctions A Jar Of Fresh Air For $860 To Raise Smog Awareness In China.

Pollution and smog levels dropped.

For years, smog levels have been measured in hourly averages.

Seasonal changes, especially warm weather, do, of course, affect smog levels.

Smog levels are actually lowe than they have been in recent weeks.

Toxic emissions declined by half; days of dangerous smog levels declined by two-thirds.

Weather is a major factor affecting smog levels in the Chinese capital.

It had 38 days in which smog levels exceeded federal standards.

The lowest smog levels in 10 years were reported over many European countries, while they reached record levels in Hong Kong.