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Beijing sees better air quality in January-July period-Xinhua

Beijing sees better air quality in January-July period-

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In pics: Beijing sees better air quality in January-July period -Xinhua

In pics: Beijing sees better air quality in January-July period -

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Beijing sees better air quality in January-July period

&copy; Provided by Xinhua BEIJING, Aug. 20 (Xinhua) From January to July, the average concentration of the air pollutant PM 2.5 in Beijing was 29 microgr

Municipal ecological environment bureau onBeijing municipal ecological environment bureauAir qualityCubic meterThe year

In pics: Beijing sees better air quality in January-July period

&copy; Provided by Xinhua BEIJING, Aug. 20 (Xinhua) From January to July, the average concentration of the air pollutant PM 2.5 in Beijing was 29 microgr

Municipal ecological environment bureau onBeijing municipal ecological environment bureauMp copy providedThe yearCubic meter

Beijing sees better air quality in January-July period

Beijing sees better air quality in January-July period
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