Haze@SG vs Air Quality Index - Live AQI Kullanım & İstatistikleri

*** With effect from 1 April 2014, Singapore will move to an integrated air quality reporting index, where PM2.5 will be incorporated into the current Pollutant Standards Index (PSI) as its sixth pollutant parameter. This app has been updated to support this new change. *** Haze is traditionally an atmospheric phenomenon where dust, smoke and other dry particles obscure the clarity of the sky. Though not a common occurrence in Singapore, it does still happen from time to time especially during the Southwest Monsoon season from June to September. Haze@SG is useful utility that allows you to check the hourly Pollutant Standards Index (PSI) on the go. PSI is a measurement developed by the United States Environmental Protection Agency (USEPA) which provides an accurate, timely and easily understandable indicator of daily levels of air pollution. The 1-hour PM2.5 concentrations reflect the PM2.5 levels averaged over one hour, and can give you an indication of the current air quality. However, the 1-hour PM2.5 concentration levels can be volatile and tend to fluctuate over the day especially during periods of transboundary haze. Short-term fluctuations will also be very heavily influenced by weather conditions. Features include: - Access to hourly AQI reading on the go. - Access to hourly PM2.5 reading on the go. - Access to PSI (24-hours, PM2.5 Concentration based) across Singapore from NEA on the go. - Understand what the current PSI means to you - Share the current AQI/PSI/PM2.5 with your friends and family and keep them informed and safe! - Turn off/on PSI alert notification. All feedback and suggestions are welcome. You can reach us via email (support@hosaystudios.com) or the contact feature within the app. Join our facebook fan page. http://www.facebook.com/hosaystudios Note: This app is developed without any involvement of NEA. Any inaccuracies found are not the responsibility of and should not be attributed to NEA.

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Air Quality Index - Live AQI

Air Quality Index (AQI) is increasing day by day and the impact is affecting the climate a lot. The change in the weather condition has worsened air quality. • Air is the Earth's atmosphere. Air around us is a mixture of many gases and dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has no colour or smell. It has mass and weight, because it is matter. The weight of air creates atmospheric pressure. There is no air in outer space. • Air is a mixture of about 78% nitrogen, 21% oxygen, 0.9% argon, 0.04% carbon dioxide, and very small amounts of other gases. • Air can be polluted by some gases (such as carbon monoxide), smoke, and ash. This air pollution causes various problems including smog, acid rain and global warming. It can damage people's health. • The Air Quality data sources varies depending on the cities. PLACES: - Store favourite places to find out Air Quality Info easily. - Easy to navigate to the bookmarked places and find pollution level instantly. MAP: - You can check all the near by City’s Air Quality Index on Map - Providing the Air Quality info city wise. - Plan your visit based on the good AQI for the specific city. WEATHER: - Show weather conditions for the current place. - Show sunrise and sunset time. NEWS: - Get up to date with latest Air Quality Data and Air Pollution news using Google News. - The latest News provides option for planning the journey for any new places based on pollution levels. AIR QUALITY INDEX CHART: - You can check the range of quality indexes and info about Index is good or bad - Distinguish between different indexes with color so the user can easily understand the level of pollution. COUNTRY LIST: - You can check the country list and select your city to get the AQI info - Providing the country name and flag so easily identify and fid the top cities for the selected country. Providing below gases information in Air using this app: - CO (Carbon Oxide) - NO2 (Nitrogen dioxide) - O3 (Ozon) - PM10 (particulate matter 10 micrometers or less in diameter) - PM25 (particulate matter 2.5 micrometers or less in diameter) - SO2 (Sulfer dioxide) - T - W - WG - H (Hydrogen) - DEW (Hydrocarbon Dew) AQI LEVELS DEFINITION: • Green: AQI (0 - 50) | Good Air quality is considered satisfactory, and air pollution poses little or no risk • Yellow: AQI (51 -100) | Moderate 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. • Orange: AQI (101-150) | Unhealthy for Sensitive Groups Members of sensitive groups may experience health effects. The general public is not likely to be affected. • Red: AQI (151-200) | Unhealthy Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects • Purple: AQI (201-300) | Very Unhealthy Health warnings of emergency conditions. The entire population is more likely to be affected. • Brown: AQI 300+ | Hazardous Health alert: everyone may experience more serious health effects