It is understood that the warning level of heavy pollution weather is divided into four levels, namely IV (blue), III (yellow), II (orange), I (red), and I (red) is the highest level.
4. Early warning and response measures
Primary and secondary schools and kindergartens should reduce outdoor activities, students with special physique should stay indoors, and outdoor personnel should take protective measures such as wearing masks.
Level Ⅲ early warning response measures
Kindergarten stops outdoor activities; Schools at all levels and types reduce outdoor activities such as physical education class and recess exercise; Particularly sensitive people stop outdoor activities. School (kindergarten) staff should reduce outdoor working hours and take protective measures.
Level Ⅱ early warning response measures
Outdoor activities are prohibited in kindergartens; Outdoor activities such as physical education class are prohibited in primary and secondary schools; Colleges and universities avoid outdoor activities. Primary and secondary schools and kindergartens should do a good job in the morning check-up of students who enter the school (park) every day and make a good track record, take corresponding isolation measures for students with abnormal conditions, notify parents and report to the higher education authorities in time.
First-level early warning response measures
Primary and secondary schools and kindergartens are closed; Colleges and universities stop outdoor physical education class, extracurricular sports activities and amateur training.