Fire Earth

Earth is fighting to stay alive. Mass dieoffs, triggered by anthropogenic assault and fallout of planetary defense systems offsetting the impact, could begin anytime!

Posts Tagged ‘PM-2.5’

Derisory “Yellow Alert” as Brown Smog Bears on Beijing

Posted by feww on February 21, 2014


Hazardous Smog in China to Last for a Week: Officials

Beijing authorities on Thursday issued a derisory “Yellow Alert” for the Chinese Capital as heavy air pollution enveloped the region. The smog, previously described as “Apocalyptic” by the residents, is forecast to last for a week.

“Beijing, its neighbors Tianjin and Hebei Province, as well as central and western Shandong Province can expect heavy air pollution to linger for a week, according to a joint weather forecast issued by the China Meteorological Administration [CMA] and the Ministry of Environmental Protection,” said a report.

CMA believes the smog will last for a week because there is no cold front in sight to help disperse it, said the report.

PM 2.5 AQI had risen to 374 and PM10 concentration was hovering above 160µgm–³, as of posting.

Pollution levels below 15.4µgm–³ (AQI of up to 50) are considered as “safe.”

A formula for calculating the AQI from the concentrations of various air pollutants (PM10, PM2.5, O3, CO, SO2, NO2 …)  is posted HERE.

) as “safe.”

“Yellow” is the 2nd lowest of a four-tier alert system—red, orange, yellow, blue—indicating the severity of air pollution.

SEA AIR Pollution
Map of air pollution in SEA. Source: waqi. info

“A red alert indicates the most serious air pollution (AQI above 300) for three consecutive days. An orange alert indicates heavy to serious air pollution (AQI between 200 and 300) alternately for three consecutive days. A yellow alert means severe pollution for one day or heavy pollution for three consecutive days,” said Xinhua.

Related Links

For earlier posts on Beijing AQI, search blog content.

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China’s Dangerous Air Pollution Extends to Japan

Posted by feww on March 12, 2013

Beijing AQI: ‘Very Unhealthy’ Again

Tick clouds of smog from China rolled across southern Japan, as sandstorms reduced visibility forcing many flight cancellations in airports  across the region starting Sunday March 10, reports said.

  • The sandstorm is believed to have contributed to unseasonably high temperatures across the Japan. Tokyo reported a high of 25.3ºC — the highest ever recorded for March since record-keeping began in 1876, NHK said.

beijing aqi
Beijing PM-2.5 level, Tuesday 12 March 2013 @22:00. Source: Insdio

aqi conditions
AQI Chart

china aqi
AQI for other cities across China

Related Links

Major winter storm is wreaking havoc across Europe

Heavy snow and sub-zero temperatures forced the closure of Frankfurt International Airport, Europe’s third-largest, as hundreds of flights across other European airports were cancelled.

  • The Eurostar high-speed train service between London and Paris was also suspended due to heavy snow in France and Belgium.
  • “All Eurostar services are currently disrupted and are subject to severe delays,” said a statement on Eurostar’s website. “Our advice to passengers is not to travel today and not to come to our stations.”
  • Freezing temperatures follow the unusually warm spell last week that saw temperatures up to 20ºC (68 degrees Fahrenheit) in some parts of Germany.

Major outbreak of Hand-foot-mouth (HFM) disease  in Vietnam

HFM,  a contagious viral disease, targets mostly infants and children. The disease has affected more than 10,000 people in Vietnam the first two months of this year, said the Vietnamese Ministry of Health.



Mass die-offs resulting from human impact and the planetary response to the anthropogenic assault could occur by early 2016.

  • SYMBOLIC COUNTDOWN: 1,096 Days Left to ‘Worst Day’ in the brief Human  History
  • The countdown began on May 15, 2011 …


Global Disasters: Links, Forecasts and Background

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