Annual AQI Trend
Air Pollutant Concentrations Trend - Tung Chung
YEAR | NO2 | PM10 | PM2.5 |
---|---|---|---|
2022 | 25 | 23 | 14 |
2021 | 26 | 26 | 17 |
2020 | 28 | 25 | 14 |
2019 | 33 | 30 | 19 |
2018 | 33 | 31 | 18 |
2017 | 36 | 34 | 21 |
2016 | 36 | 33 | 21 |
2015 | 40 | 36 | 22 |
2014 | 45 | 39 | 24 |
2013 | 49 | 42 | 26 |
2012 | 43 | 45 | 28 |
2011 | 51 | 47 | 32 |
2010 | 44 | 45 | 29 |
2009 | 45 | 46 | 30 |
2008 | 49 | 52 | 37 |
2007 | 46 | 54 | 39 |
2006 | 47 | 56 | 40 |
2005 | 46 | 57 | 40 |
2004 | 52 | 62 | 47 |
2003 | 45 | 54 | 40 |
2002 | 43 | 46 | 32 |
2001 | 46 | 49 | 35 |
2000 | 45 | 45 | 32 |
1999 | 43 | 48 | 32 |
AAQI Long Term Trend - Tung Chung
YEAR | NO2 | PM10 | PM2.5 |
---|---|---|---|
2022 | 0.6 | 1.2 | 1.4 |
2021 | 0.7 | 1.3 | 1.7 |
2020 | 0.7 | 1.3 | 1.4 |
2019 | 0.8 | 1.5 | 1.9 |
2018 | 0.8 | 1.6 | 1.8 |
2017 | 0.9 | 1.7 | 2.1 |
2016 | 0.9 | 1.7 | 2.1 |
2015 | 1.0 | 1.8 | 2.2 |
2014 | 1.1 | 2.0 | 2.4 |
2013 | 1.2 | 2.1 | 2.6 |
2012 | 1.1 | 2.3 | 2.8 |
2011 | 1.3 | 2.4 | 3.2 |
2010 | 1.1 | 2.3 | 2.9 |
2009 | 1.1 | 2.3 | 3.0 |
2008 | 1.2 | 2.6 | 3.7 |
2007 | 1.2 | 2.7 | 3.9 |
2006 | 1.2 | 2.8 | 4.0 |
2005 | 1.2 | 2.9 | 4.0 |
2004 | 1.3 | 3.1 | 4.7 |
2003 | 1.1 | 2.7 | 4.0 |
2002 | 1.1 | 2.3 | 3.2 |
2001 | 1.2 | 2.5 | 3.5 |
2000 | 1.1 | 2.3 | 3.2 |
1999 | 1.1 | 2.4 | 3.2 |