Apple iPad 4th generation Wi-Fi + Cellular tablet was launched in October 2012. The tablet comes with a 9.70-inch display offering a resolution of 1536x2048 pixels at a pixel density of 264 pixels per ...

Apple iPad Air 2 Wi-Fi + Cellular tablet was launched in October 2014. The tablet comes with a 9.70-inch display offering a resolution of 1536x2048 pixels at a pixel density of 264 pixels per inch ...

Air quality index is used by government agencies to communicate to the public how polluted the air is. Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, ...