BEIJING — China's national observatory on Aug 2 continued to issue a yellow alert for high temperatures as an intense heat wave lingers in many regions of the country.

During daylight hours on Aug 2, parts of Shaanxi, Henan, Hubei, Anhui, Jiangsu, Shanghai, Zhejiang, Fujian, Jiangxi, Hunan, Guizhou, Chongqing, Sichuan, Guangdong, Guangxi, Hebei, and Tianjin are expected to experience temperatures of over 35 degrees Celsius, the National Meteorological Center said.

Temperatures in parts of Chongqing may surpass 40 degrees Celsius, according to the forecast.

The center has advised the public to avoid outdoor activities during high-temperature periods in the afternoon and suggested workers exposed to high temperatures, or who work outdoors for a long time, take necessary protective measures.

China has a four-tier color-coded weather warning system, with red representing the most severe warning, followed by orange, yellow, and blue.