Air quality in Fangshan, Beijing

June 2023 1 65438+1October1,the air quality in Fangshan, Beijing is good.

1, motion index

The weather is fine, but considering the strong wind and low temperature, I suggest you do indoor sports. If you do outdoor sports, pay attention to the wind and increase or decrease your clothes appropriately.

2. Car wash index

More suitable for car washing, no rain and less wind in the future. Washing a new car can last at least one day.

3. dressing index

In cold weather, it is recommended to wear winter clothes such as cotton-padded jacket, down jacket, leather jacket and sweater. Old and infirm people should wear thick cotton-padded clothes, winter clothes or thick down jackets.

4. Ultraviolet Index

The ultraviolet intensity is weak, so it is recommended to apply sunscreen skin care products with SPF between 12- 15 and PA+ before going out.

5. Tourism index

The weather is good, the wind is a little strong, but the temperature is suitable. The weather is good. Suitable for traveling, you can enjoy the infinite scenery of nature.

6. Comfort index

Although the weather is fine during the day, it will feel cold sooner or later, and it will be comfortable and pleasant in the afternoon.

Air quality department:

Air quality sub-indices are also specified for individual pollutants. The main pollutants involved in air quality assessment are fine particles, inhalable particles, sulfur dioxide, nitrogen dioxide, ozone and carbon monoxide.

1, Grade I: air pollution index ≤50 excellent grade.

2. Grade II: air pollution index ≤ 100 is good.

3. Grade III: air pollution index ≤ 150, light pollution.

4. Level 4: Air pollution index ≤200, moderate pollution.

Grade 5.5: Heavy pollution with air pollution index ≤300.

6. level 6: serious pollution with air pollution index > 300.

When the air pollution index is less than 100, people can move normally. For example, the air quality in nature reserves and scenic spots is good, the pollution index is mostly less than 50, and the average in commercial areas and residential areas is also within 100.

When the air pollution index reaches 100 ~ 200, it belongs to mild pollution; When the air pollution index reaches 200 ~ 300, it belongs to moderate pollution. Outdoor activities should be avoided when serious pollution is reached (that is, the air pollution index is above 300). It classifies the degree of air pollution and air quality status, and is suitable for expressing the short-term air quality status and changing trend of cities.

Air quality sub-indices are also specified for individual pollutants. The main pollutants involved in air quality assessment are fine particles, inhalable particles, sulfur dioxide, nitrogen dioxide, ozone and carbon monoxide.

Baidu Encyclopedia-Air Index