Theo nguồn tin của American Citizen Services newsletter trên trang mạng Tổng lãnh sự quán Hoa Kỳ ở tại Sài Gòn
The U.S. Embassy and U.S. Consulate have installed air quality monitors to measure PM 2.5 par culates as an indica on of the air quality. You can read more informa on and check the current reading for Hanoi and for Ho Chi Minh City at:
https://vn.usembassy.gov/embassy-consulates/ embassy/air-quality-monitor/ for Hanoi, and https://vn.usembassy.gov/embassy-consulates/ho-chi- minh-city/air-quality-monitor/ for Ho Chi Minh City.
For more details on air quality index, please follow the link to the Environmental Protec on Agency’s Air Now website. The AQI can be observed either by clicking on the loca on on the map, or by selec ng Hanoi or Ho Chi Minh City in the “Select a City” op on on the upper right part of the page. The page provides AQI over the last 24 hour period as well as pollutant concentra on and a downloadable historical document.
Please note that citywide analysis cannot be done with data from a single monitor. This data provides an accurate measure of the air quality in the sec on of each city close to the loca on of the monitor. The Vietnamese Ministry of Natural Resources and Environment also provides air quality data for Hanoi. You can view this informa on at
http://www.cem.gov.vn/.
The U.S. Environmental Protec on Agency (EPA) has developed a formula to convert PM 2.5 readings into an air quality index (AQI) value that can help inform health-related decisions. Meanings of AQI numerical values can be seen in the chart below. For more informa on on AQI and how it is
Air Quality Index Levels of Health Concern
Numeri- cal Value
Meaning
Good
0 to 50
Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate
51 to 100
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for Sensitive Groups
101 to 150
Members of sensitive groups may experience health effects. The general public is not likely
Unhealthy
151 to 200
Everyone may begin to experience health effects; members of sensitive groups may
Very Unhealthy
201 to 300
Health warnings of emergency conditions. The entire population is more likely to be af-
Hazardous
301 to 500
Health alert: everyone may experience more serious health effects.
We celebrated the opening of the first store of 7-Eleven Viet Nam with mango and strawberry slurpees and even got to meet Mr. Slurpee! The store, located in the Saigon Trade Center, will open to the public on June 15.
https://vn.usembassy.gov/wp-content/uploads/sites/40/2017/05/ACS-Newsletter-June-2017.pdf