The blue sky forecast integrates weather phenomena, visibility, air quality and other factors to predict the sky conditions in the next week.

• The sky is blue It can be seen through the blue sky, or there is beautiful scenery of blue sky and white clouds.
• Sky light blue The sky is not clear enough, mainly light blue.
• The sky is gloomy It may be cloudy, rainy or snowy, and the sky is gray.
• Sky haze Haze or sand appears, and the sky is gray and turbid.