The air quality in terms of PSI in the very unhealthy and hazardous range was at zero percent from 2007 to 2018, except for 2013 and 2015. Air quality in both years was affected by transboundary smoke haze from land and forest fires. In 2013, two percent of the days in the year was recorded to be in the very unhealthy and hazardous range. This was followed by 1.5 percent in 2015.
Share of days in the year with very unhealthy and hazardous air quality (PSI) in Singapore from 2007 to 2018
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Ministry of Sustainability and the Environment (Singapore). (November 20, 2019). Share of days in the year with very unhealthy and hazardous air quality (PSI) in Singapore from 2007 to 2018 [Graph]. In Statista. Retrieved December 18, 2024, from https://www.statista.com/statistics/1077453/singapore-unhealthy-and-hazardous-air-quality-according-to-number-of-days-in-the-year/
Ministry of Sustainability and the Environment (Singapore). "Share of days in the year with very unhealthy and hazardous air quality (PSI) in Singapore from 2007 to 2018." Chart. November 20, 2019. Statista. Accessed December 18, 2024. https://www.statista.com/statistics/1077453/singapore-unhealthy-and-hazardous-air-quality-according-to-number-of-days-in-the-year/
Ministry of Sustainability and the Environment (Singapore). (2019). Share of days in the year with very unhealthy and hazardous air quality (PSI) in Singapore from 2007 to 2018. Statista. Statista Inc.. Accessed: December 18, 2024. https://www.statista.com/statistics/1077453/singapore-unhealthy-and-hazardous-air-quality-according-to-number-of-days-in-the-year/
Ministry of Sustainability and the Environment (Singapore). "Share of Days in The Year with Very Unhealthy and Hazardous Air Quality (Psi) in Singapore from 2007 to 2018." Statista, Statista Inc., 20 Nov 2019, https://www.statista.com/statistics/1077453/singapore-unhealthy-and-hazardous-air-quality-according-to-number-of-days-in-the-year/
Ministry of Sustainability and the Environment (Singapore), Share of days in the year with very unhealthy and hazardous air quality (PSI) in Singapore from 2007 to 2018 Statista, https://www.statista.com/statistics/1077453/singapore-unhealthy-and-hazardous-air-quality-according-to-number-of-days-in-the-year/ (last visited December 18, 2024)
Share of days in the year with very unhealthy and hazardous air quality (PSI) in Singapore from 2007 to 2018 [Graph], Ministry of Sustainability and the Environment (Singapore), November 20, 2019. [Online]. Available: https://www.statista.com/statistics/1077453/singapore-unhealthy-and-hazardous-air-quality-according-to-number-of-days-in-the-year/
