背景新聞:1月15日,生態環境部通報了2020年1月至12月全國環境空氣品質狀況。海口名列全國168個重點城市之首。2020年,海口空氣品質總體良好,優良率98.6%,影響環境空氣品質的六項汙染物PM2.5、PM10、O3、SO2、NO2、CO平均濃度均有明顯下降。其中,PM2.5濃度逐年下降1微克至3微克/立方米,是自2012年環境空氣品質新標準實施以來,PM2.5年均濃度首次達到一級標準(≤15微克/立方米)。
China’s air quality improved last year, benefiting from COVID-19 related shutdowns as well as tougher industrial controls, government data showed.
受益於與COVID-19相關的停工以及更嚴格的工業控制,去年中國的空氣品質有所改善,政府數據顯示。
Concentrations of lung-damaging small particles known as PM2.5 in 337 cities fell an average 8.3% to 33 micrograms per cubic metre over the year, according to the Ministry of Ecology and Environment.
對肺有害的小顆粒物PM2.5的濃度,在337個城市中,這一年裡平均下降了8.3%,至3微克每立方米3,根據生態與環境部的數據。
concentration:濃度
The smog-prone region that encompasses Beijing, the city of Tianjin and the province of Hebei saw average PM2.5 levels drop 10.5% to 51 micrograms per cubic metre, though that was still higher than the national standard of 35 micrograms.
霧霾地區包括北京、天津市和河北省在內,PM2.5的平均水平下降了10.5%,至51微克每立方米,但仍高於國家標準的35微克。
smog:城市煙霧,霧霾
Anyang, a major steel and coal producing region in Henan province, was the worst performing city in China for the second year in a row. Haikou, capital of the island province of Hainan, was the best overall performer.
安陽,河南省主要的鋼鐵和煤炭產區,連續第二年成為中國表現最差的城市。海口,海島省份海南的省會城市總體表現最好。
Smog experts have expressed concern that some northern cities in China are at risk of falling short of their winter pollution targets after a surge in the production of steel and cement.
煙霧專家表示擔心,中國一些北方城市可能無法實現其冬季汙染目標,由於鋼鐵和水泥產量的增長。
Data for December showed, however, that despite the production hikes, average PM2.5 concentrations fell 3.6% to 53 micrograms per cubic metre. The Beijing-Tianjin-Hebei region also saw concentrations decline, down 6.2% to 76 micrograms, with the region benefiting from windy weather.
12月份的數據顯示,儘管產量增加,但PM2.5的平均濃度仍下降了3.6%,至53微克每立方米。京津冀地區的濃度也下降了6.2%,降至76微克,該地區得益於大風天氣。
Ref:
https://www.reuters.com/article/idUSKBN29K0E4
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