Haikou Weather Today
China · Thursday, March 12, 2026
Real-time Air Quality Index (AQI)
Haikou Weather & Air Quality Overview
Haikou is a city in China, located in the Northern Hemisphere at coordinates 20.04°N, 110.35°E. With a population of approximately 2.9 million, it is one of the notable urban centers in Asia. Haikou experiences a tropical climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for Haikou, China.
Right now in Haikou, the temperature is 21°C (feels like 21°C) with partly cloudy. Humidity is at 73%. Winds are blowing at 12 km/h. Today's high is expected to reach 22°C and the low will be around 18°C.
The current Air Quality Index (AQI) in Haikou is 76, rated as Moderate. The dominant pollutant is PM2.5.
- Today's high in Haikou: 22°C
- Humidity in Haikou: 73%
- Current AQI in Haikou: 76 (Moderate)
- Wind in Haikou: 12 km/h
Weather in Haikou and the Haikou forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.
Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.