What was the air quality index in Beijing?
Beijing Air Pollution: Real-time Air Quality Index (AQI)
| Current | Max | |
|---|---|---|
| PM2.5 AQI | 34 | 59 |
| PM10 AQI | 20 | 35 |
| O3 AQI | 62 | 81 |
| NO2 AQI | 4 | 12 |
What is the name of the most air polluted Chinese city?
Xingtai
2013: Annual average PM2.5 concentrations of 74 Chinese cities
| Ranking | City | Average of the maximum daily PM2.5 level (micrograms per cubic meter) |
|---|---|---|
| 1 | Xingtai | 688 |
| 2 | Shijiazhuang | 676 |
| 3 | Baoding | 675 |
| 4 | Handan | 662 |
What does Aqicn stand for?
the World Air Quality Index project
About the World Air Quality Index project. aqicn.org – waqi.info. Select Language ▼ The World Air Quality Index project is a non-profit project started in 2007. Its mission is to promote air pollution awareness for citizens and provide a unified and world-wide air quality information.
What has caused poor air quality in Beijing?
The causes of Beijing’s widespread air pollution can be attributed to a number of factors: an enormous economic boom, a surge in the number of motorized vehicles, population growth, output from manufacturing, and natural reasons which include the city’s surrounding topography and seasonal weather.
Why is Beijing so smoggy?
Beijing’s geography makes its pollution levels very sensitive to wind directions – enormous industrial clusters and high population densities to the south and east mean high pollution when wind comes from those directions, while wind from grasslands to the north and west brings clean air.
What is Naqi?
National Air Quality Index (NAQI)
How many days of good air quality do officials say Beijing had last year?
288 days
Factors like traffic and how much wind there is to blow away the smog influence when those bad air days occur. Still, Chinese officials hail the country’s achievements. They say there were 288 days of good air quality in Beijing last year, compared to 176 days in 2013. HOW IS HEALTH AFFECTED?
Why is Hebei so polluted?
It was only when I came across local news reports that the cause of the city’s pollution became clearer. According to preliminary findings of an analysis carried out across Hebei, much of Baoding’s pollution comes from coal-fired steam boiler systems used in more than 100 provincial villages close to the city.
Who published AQI in India?
The Environmental Protection Agency (EPA) calculates the AQI for five major air pollutants, for which national air quality standards have been established to safeguard public health. The higher the AQI value, the greater the level of air pollution and the greater the health concerns.
Is China pollution getting better?
5 was added to China’s annual reports on the state of its environment. A Ministry of Ecology and Environment report shows that average PM2. 5 levels nationwide have since fallen from 72 micrograms (μg) per cubic metre in 2013 to 30 μg/m3 in 2021 – a 58% fall and a major improvement in air quality.
What is the current air quality in Beijing?
Beijing overall air quality index is 63. Beijing PM 2.5 (fine particulate matter) AQI is 63 – Beijing PM 10 (respirable particulate matter) AQI is 36 – Beijing NO 2 (nitrogen dioxide) AQI is 16 – Beijing SO 2 (sulfur dioxide) AQI is 2 – Beijing O 3 (ozone) AQI is 20 – Beijing CO (carbon monoxide) AQI is 6 -.
Is Beijing AQI getting better?
Beijing AQI is getting better. The Guardian website said that Chinese media have announced that the “good and moderate” days in Beijing have reached a record of 226 days in 2017. Thousands of environmental inspectors have been transferred to the industrial area around the capital.
When did Beijing change its name to Beiping?
^ From 1937 to 1940, the city was renamed Beijing by the Provisional Government of the Republic of China, a puppet regime backed by the Japanese occupation. The city’s name reverted to Beiping after the defeat of Japan in World War II.
Why is Beijing called Yanjing?
The Khitans of the 10th- to 12th-century Liao Dynasty fully restored the name Yanjing, and it remains a name for Beijing in literary usage today, as reflected in the locally brewed Yanjing Beer and the former Yenching University (since merged into Peking University ).