In turn , the NEA of Singapore stopped issuing haze advisories from 15 November 2015 .
Heavy rains in Sumatra and Kalimantan in the last days of October 2015 significantly reduced the size and number of fires , and improved the air quality in most affected areas .
The NEA of Singapore stopped issuing haze advisories from 15 November 2015 .
Heavy rains in Sumatra and Kalimantan in the last days of October 2015 significantly reduced the size and number of fires , and improved the air quality in most affected areas .