From January to August, the average PM2.5 concentration of 339 prefecture-level and above cities nationwide decreased by 3.4% year-on-year

On September 20, the Red Star Journalist learned from the Ministry of Ecology that in August, the average number of excellent air quality of 339 prefecture -level and above cities across the country was 93.2%, an increase of 1.5 percentage points year -on -year; the average concentration of PM2.5 was 16 micrograms. Cubic meter, a year -on -year decrease of 5.9%; the average PM10 concentration was 31 micrograms/cubic meter, a year -on -year decrease of 6.1%; the average concentration of O₃ was 135 micrograms/cubic meter, a year -on -year decrease of 3.6%; ; NO ₂ average concentration is 14 micrograms/cubic meters, a year -on -year decrease of 6.7%; the average concentration of CO is 0.7 mg/cubic meter, a year -on -year decrease of 12.5%.

It is reported that from January to August, the average number of excellent air quality in 339 prefecture-level and above cities across the country was 86.3%, which was flat year-on-year; the average PM2.5 average concentration was 28 micrograms/cubic meter, a year-on-year decrease of 3.4%; the average PM10 average concentration was 49. Micro -gram/cubic meter, a year -on -year decrease of 7.5%; the average concentration of O₃ is 145 micrograms/cubic meter, an increase of 3.6%year -on -year; the average concentration of SO₂ is 8 micrograms/cubic meter, a year -on -year decrease of 11.1%; A year -on -year decrease of 13.6%; the average conmic of CO was 1.1 mg/cubic meter, which was flat year -on -year.

↑ From January to August 2022 to August, the concentration and year -on -year changes of six indicators in 339 prefecture -level and above cities

In addition, in August, the average excellent number of excellent days of "2+26" cities in Beijing, Tianjin, Hebei and surrounding areas was 85.0%, an increase of 15.1 percentage points year -on -year; PM2.5 concentration was 23 micrograms/cubic meter, a year -on -year decrease of 14.8%; O₃ average concentration concentration was reduced; It was 164 micrograms/cubic meter, a year -on -year decrease of 8.4%. From January to August, the average number of excellent days was 65.1%, an increase of 2.7 percentage points year-on-year; PM2.5 concentration was 40 micrograms/cubic meter, a year-on-year decrease of 4.8%; the average concentration of O₃ was 183 micrograms/cubic meter, a year-on-year increase of 1.1%.

The proportion of excellent days in Beijing in August was 87.1%, a year -on -year decrease of 6.4 percentage points; PM2.5 concentration was 19 micrograms/cubic meters, an increase of 5.6%year -on -year; the average concentration of O₃ was 162 micrograms/cubic meter, a year -on -year increase of 5.2%. From January to August, the proportion of excellent days was 78.6%, a year-on-year increase of 4.9 percentage points; PM2.5 concentration was 28 micrograms/cubic meter, a year-on-year decrease of 20.0%; the average concentration of O₃ was 175 micrograms/cubic meter, an increase of 12.2%year-on-year.

The average number of excellent days in August in 41 cities in the Yangtze River Delta was 83.1%, a year -on -year decrease of 6.8 percentage points; PM2.5 concentration was 18 micrograms/cubic meters, a year -on -year decrease of 5.3%; the average concentration of O₃ was 163 micrograms/cubic meter, an increase of rising year -on -year 7.2%. From January to August, the average number of excellent days was 80.6%, a year-on-year decrease of 6.0 percentage points; PM2.5 concentration was 30 micrograms/cubic meters, an increase of 3.4%year-on-year; the average concentration of O₃ was 165 micrograms/cubic meter, a year-on-year increase of 7.8%.

The average number of excellent days in the 11 cities in the Fenwei Plain in August was 80.9%, an increase of 4.7 percentage points year -on -year; the PM2.5 concentration was 24 micrograms/cubic meters, a year -on -year decrease of 4.0%; the average concentration of O₃ was 165 micrograms/cubic meter, a year -on -year decrease of decrease 7.8%. From January to August, the average number of excellent days was 62.3%, a year-on-year decrease of 3.3 percentage points; PM2.5 concentration was 42 micrograms/cubic meter, an increase of 5.0%year-on-year; the average concentration of O₃ was 175 micrograms/cubic meter, a year-on-year decrease of 2.2%.

In August, of the 168 key cities, the air quality in cities such as Haikou, Lhasa, and Guiyang City was relatively good (from the first place to the 19th place); No. 1 to the last 20).

From January to August, of the 168 key cities, the air quality in cities such as Haikou, Lhasa, Zhoushan City was relatively good (from the first place to the 20th place); From the penultimate to the 19th place).

↑ From January to August 2022, 168 key cities ranked in the top 20 and latter 20 cities list

Red Star reporter Wu Yang Beijing report

Edit Yu Dongmei Pengjiang

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