The Ministry of Health has just recommended preventive measures to protect health when air pollution is at bad, very bad and hazardous levels.
Air Quality Index is at a poor level (AQI at 151 - 200)
Normal people should limit outdoor activities or participate in strenuous physical activities. If you have to work or do outdoor activities, you should arrange and choose a time of day with less pollution, need to rest more, and perform activities with moderate intensity.
Avoid activities in areas with high risk of air pollution.
If you have to travel, you should increase the use of public transport and limit the use of motorbikes and bicycles to reduce exposure to polluted air.
You should limit opening windows and doors when the air is heavily polluted, especially families near traffic routes or areas with air pollution.
For sensitive people, avoid outdoor activities or activities that require strenuous physical activity. Activities such as exercise and physical activity should be performed indoors. Limit opening windows and doors during times of heavy air pollution.
Monitor your health. If you experience acute symptoms such as difficulty breathing, cough, or fever, go to a medical facility immediately for examination, advice, and treatment.
Air quality index at very poor level (AQI at 201 - 300)
Normal people should avoid long-term outdoor activities or strenuous physical activities. Indoor activities are encouraged.
Avoid working in areas with high risk of air pollution. If you have to work in areas with high risk of pollution, you should use masks that can prevent fine dust (dust with aerodynamic diameter ≤ 2.5 μm).
If you have to travel, you should increase the use of public transport and limit the use of motorbikes and bicycles to reduce exposure to polluted air.
Limit opening windows and doors during times of heavy air pollution.
Sensitive people should avoid all outdoor activities, switch to indoor activities or postpone activities to another day when the air quality index is better. Limit opening windows and doors during times of heavy air pollution.
If you have to leave the house, you should minimize the time you spend outdoors and use masks that can prevent fine dust. Clean your nose and gargle with saline solution morning and night, especially after going out. Rinse your eyes with saline solution in the evening before going to bed.
Monitor your health. If you experience acute symptoms such as difficulty breathing, cough, or fever, go to a medical facility immediately for examination, advice, and treatment.
Air Quality Index at hazardous level (AQI at 301–500)
Normal people should avoid outdoor activities, switch to indoor activities or move to another day when the air quality index is better.
Close windows and doors to limit and avoid exposure to pollutants.
For sensitive people, avoid all outdoor activities and switch to indoor activities.
Close windows and doors to limit and avoid exposure to pollutants.
Monitor your health. If you experience acute symptoms such as difficulty breathing, cough, or fever, go to a medical facility immediately for examination, advice, and treatment.
For kindergartens, nurseries and primary schools, students may be considered for a day off if the air quality index is at hazardous levels for three consecutive days.
If you must go to school, avoid outdoor activities, switch to indoor activities or adjust your study time accordingly.
The Ministry of Health also recommends that people clean their noses and gargle with saline morning and night, especially after going out. Rinse their eyes with saline in the evening before going to bed.
At 8:00 a.m. on January 7, the IQAir air quality index application ranked Hanoi as the most polluted city in the world with an AQI of 272 - the purple level, very harmful to human health.
