The government's Air Quality Index shows "unhealthy" pollution levels in much of Southern California.
But as a search engine, we can do what we think is best to return a high quality index.
An unofficial reading from the US embassy's air quality index recorded over 500 early in the morning, but changed to 168 as of 13:00 (05:00 GMT).
Its report grades cities using, in part, the EPA's color-coded Air Quality Index, as well as its own weighting system that ranks the severity of pollution on a daily basis.
While air pollution has remained a nagging problem since then, Beijingers have learned to live with the situation, and there have been enough blue sky days in the capital city to keep the Air Quality Index (AQI) out of the news until last week that is.
The Environmental Protection Agency, together with other federal, state, local, and tribal agencies, developed AIRNow.gov, offering the public daily Air Quality Index forecasts and real-time Air Quality Index conditions for over 300 cities across the country as well as links to detailed state and local air quality cites.
There is no magic that insurance companies can do to enhance long term returns on a bond portfolio, and given the costs involved most investors would be far better served to invest in a short-term, high quality bond index fund.
This allows price rises due only to higher quality to be knocked out of the index.
The second most blissful job is senior quality assurance engineer, which earned an index score of 4.23.
Indeed, the United Nations has developed a measure of quality of life called the Human Development Index ( UN HDI).
In fact, this index included some lesser credit quality companies whose ratings might be suspect in a drastic decline of the European economy.
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Using the recent discussion of the United Nations Human Development Index (HDI), which relates quality of life with access to energy ( The Middle Class, Energy And Terrorism), we can speculate as to whether Egypt will be better off after the Arab Spring than before it.
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Sites that exploit browser security holes to install software (such as malware, spyware, viruses, adware and Trojan horses) are in violation of our quality guidelines and may be removed from Google's index.
The jobs figures were important for asset quality, said Peter Esho, chief market analyst at City Index.
The ETF tracks a NYSE Arca index that selects stocks based on price and earnings momentum, earnings quality, management and value, says Ed McRedmond, senior vice president of institutional and portfolio strategies at Invesco PowerShares, the fund's sponsor.
But note that the Wine Spectator index of auction prices on 150 of the most popularly traded wines of quality vintages is up 16% over last year.
By taking energy and food prices out of the index and applying hedonic adjustments i.e. altering benchmark prices based on perceived quality increases the government is masking its maneuvers, according to Lehmann.
The overall index score was determined by performance in 26 image attributes across five key association dimensions: Value System, Quality of Life, Good for Business, Heritage and Culture, and Tourism.
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