China floods trigger disease risk, economic strain in Guangdong

Flooded emergency department of a hospital during heavy rains in Hong Kong, 5 August, 2025.
Reuters

Southern China is battling the aftermath of record-breaking monsoon rain, as flooding disrupts travel, threatens public health, and raises economic concerns.

Rescue teams in southern China are racing to clear debris and flooded roads after some of the heaviest August rain in over a century, brought by a peak in East Asian monsoon activity.

Guangzhou’s Baiyun airport was forced to cancel more than 360 flights and delay hundreds more as the downpour pounded Guangdong province, while Hong Kong recorded its heaviest August rainfall since 1884.

The extreme weather has triggered mudslides, felled trees, and torn up roads, exposing underground infrastructure.

Health concerns are rising alongside the floods. An outbreak of chikungunya- transmitted by mosquitoes breeding in stagnant water is spreading, particularly in the city of Foshan.

More than 7,000 cases have already been reported, and authorities warn of worsening conditions due to typhoons and continued rain.

Beijing has allocated more than 1 billion yuan ($139 million) in emergency aid to Guangdong, Hebei, Inner Mongolia, and the capital.

Experts say the floods are likely to impact agriculture, and hurt consumer-facing businesses, especially in hard-hit regions like Guangdong.

"The rains will drive up prices for fresh fruits and vegetables," said Dan Wang, a China expert at Eurasia Group.

The worst may still be ahead: authorities expect two to three more typhoons in August, with further economic and human consequences likely in the coming weeks.

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