The average number of excellent days in Beijing -Tianjin -Hebei and surrounding areas is 61.0%

The Ministry of Ecology and Environment reported on the 22nd that the national environmental air quality status of the country in the first half of this year: The average number of air quality in 339 prefecture -level and above cities in the country is 84.6%, an increase of 0.3 percent, A year -on -year decrease of 5.9%; the average PM10 concentration was 55 micrograms/cubic meter, a year -on -year decrease of 8.3%.

The average number of excellent days in the "2+26" cities in Beijing, Tianjin, Hebei and surrounding areas is 61.0%, an increase of 1.3 percentage points year -on -year; PM2.5 concentration is 47 micrograms/cubic meter, a year -on -year decrease of 4.1%.The proportion of excellent days in Beijing was 77.9%, a year -on -year increase of 9.4 percentage points; PM2.5 concentration was 31 micrograms/cubic meter, a year -on -year decrease of 24.4%.

The average number of excellent days in 41 cities in the Yangtze River Delta region was 79.1%, a year -on -year decrease of 5.4 percentage points; PM2.5 concentration was 35 micrograms/cubic meters, an increase of 2.9%year -on -year.

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