How much power do the biggest cities use
- health
- February 26, 2015

Air Quality Shows Slight Improvement After Severe Spell Delhi’s air quality improved marginally on Tuesday, slipping from the ‘severe’ category to ‘very poor’, after three consecutive days of hazardous pollution levels. The improvement came as wind speed increased and fog intensity reduced across the national capital. According to official data, the 24-hour average Air Quality
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