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Air Quality, Annual

Description

Annual air quality indicators for Singapore from 2007 through 2024, compiled by the Singapore Department of Statistics from National Environment Agency data in CSV time-series form. Environmental researchers track long-run ambient air quality trends for policy and public health context.

Official description

Source: NATIONAL ENVIRONMENT AGENCY Data Last Updated: 21/07/2026 Update Frequency: Annual Adapted from: https://tablebuilder.singstat.gov.sg/table/TS/M890861

Last updated
Coverage
2007-01-01 – 2025-12-31
Rows
3
Columns
20

Chart

Values are summed where multiple rows share the same category.

Data

Data Series 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007
Days With 'Good' And 'Moderate' Air Quality 100.000000 99.500000 100.000000 99.500000 100.000000 97.000000 100.000000 99.500000 99.000000 87.500000 97.000000 96.000000 99.000000 99.000000 98.000000 99.000000 100.000000 100.000000
Days With 'Unhealthy' Air Quality 0.000000 0.500000 0.000000 0.500000 0.000000 3.000000 0.000000 0.500000 1.000000 11.000000 3.000000 2.000000 1.000000 1.000000 2.000000 1.000000 0.000000 0.000000
Days With 'Very Unhealthy' And 'Hazardous' Air Quality 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 1.500000 0.000000 2.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000

Columns

Column Type Categorical
Data Series Text No
2025 Numeric No
2024 Numeric No
2023 Numeric No
2022 Numeric No
2021 Numeric No
2020 Numeric No
2019 Numeric No
2018 Numeric No
2017 Numeric No
2016 Numeric No
2015 Numeric No
2014 Numeric No
2013 Numeric No
2012 Numeric No
2011 Numeric No
2010 Numeric No
2009 Numeric No
2008 Numeric No
2007 Numeric No