Hong Kong records ‘serious’ air pollution levels, thanks to Nesat and Haitang

Hong Kong records ‘serious’ air pollution levels as Typhoon Nesat and Tropical Storm Haitang whip up unhealthy conditions amidst heat

Published: SCMP, 30 Jul 2017
Link to original article here

Hong Kong recorded “very high” to “serious” levels of air pollution across the city on Sunday afternoon [July 30; Saturday wasn’t much better], made worse by Typhoon Nesat and Tropical Storm Haitang as light winds hindered the dispersion of pollutants.

“Under the influence of the outer subsiding air from Typhoon Nesat and Tropical Storm Haitang, a continental airstream is affecting Hong Kong. The weather is very hot with moderate west to northwesterly winds,” the department said in an announcement on Sunday.

“Light winds hindered the dispersion of air pollutants formed yesterday and led to higher than normal pollution levels in the morning. The intense sunshine enhances photochemical smog activities and the formation of ozone, resulting in high ozone concentrations in the Pearl River Delta region.”

The high level of ozone has contributed to the formation of nitrogen dioxide particularly in parts of urban areas and along roads, the department said.

More monitoring stations are expected to record “serious” levels of pollution later on Sunday, it added.

A 19-year-old man was sent to North District Hospital after he felt unwell while hiking in Sheung Shui. The university student’s condition was later stated as critical.

Temperatures reached an average of 34 degrees Celsius on Sunday afternoon, with Sha Tin, Kowloon City, Happy Valley and Sham Shui Po recording 37 degrees. It was 36 degrees in Tuen Mun, Shau Kei Wan and Kwun Tong.

The Observatory has issued the “very hot weather” warning, meaning that the risk of heatstroke is high.

scmp-hk-aqhi-2017-07-31

The Observatory said Typhoon Nesat had weakened, moving further inland into Fujian province in mainland China. Tropical Storm Haitang meanwhile moved northeast closer to the vicinity of Taiwan. The pollution levels in Hong Kong will remain higher than normal until Haitang reaches the southeastern coast of China.

When the pollution level is “very high” or worse, the elderly and those with heart or respiratory illnesses are advised to reduce or avoid outdoor activities.

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One thought on “Hong Kong records ‘serious’ air pollution levels, thanks to Nesat and Haitang”

  1. Friday was crazy hot and muggy, and this weekend was just as bad, with terrible air pollution to boot! 😷😷😷 No hiking or extensive outdoor activities for me this Sat/Sun past. Blech. Thankfully, the air quality should improve over the course of the week, although rain is also in the forecast. ☔ C’est la vie!

    Like

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