| 年度 | 范围 | 城区 | 近郊 | 远郊 |
| 2022 | 62.2-71.2 | 69.4 | - | 67.1 |
| 2021 | 62.8-71.7 | 69.6 | - | 67.1 |
| 2020 | 61.2-71.4 | 69.2 | - | 66.9 |
| 2019 | 64.9-72.2 | 70.3 | - | 68.3 |
| 2018 | 65.2-71.8 | 69.8 | - | 68.5 |
| 2017 | 63.1-72.3 | 69.9 | - | 67.4 |
| 2016 | 63.6-71.9 | 69.8 | - | 67.4 |
| 2015 | 63.5-72.0 | 69.8 | - | 67.2 |
| 2014 | 63.6-72.2 | 69.8 | - | 67.2 |
| 2013 | 62.0-72.2 | 69.8 | - | 67.2 |
| 2012 | 64.2-72.0 | 69.7 | - | 67.7 |
| 2011 | 64.5-72.5 | 69.8 | - | 67.9 |
| 2010 | 65.9-74.2 | 70.2 | - | 68 |
| 2009 | 63.6-73.2 | 69.9 | - | 68.4 |
| 2008 | 65.2-74.4 | 69.8 | - | 68.8 |
| 2007 | 62.3-74.0 | 70.1 | - | 68.9 |
| 2006 | 64.9-73.0 | 69.9 | - | 69.0 |
| 2005 | 64.9-72.7 | 67.7 | 70.3 | 68.4 |
| 2004 | 67.4-72.6 | 68.1 | 70.3 | 69.1 |
| 2003 | 66.3-73.1 | 68.2 | 70.3 | 69.3 |
| 2002 | 64.6-73.6 | 68.1 | 70.1 | 69.0 |
| 2001 | 66.7-73.7 | 67.9 | 70.5 | 70.1 |
| 2000 | 66.8-76.2 | 68.1 | 72.6 | 69.5 |
| 年度 | 范围 | 城区 | 近郊 | 远郊 |
| 2022 | 50.9-56.0 | 52.8 | - | 52.6 |
| 2021 | 50.0-56.5 | 52.8 | - | 53.4 |
| 2020 | 49.6-58.9 | 53.1 | - | 54.4 |
| 2019 | 50.0-54.7 | 53.0 | - | 53.0 |
| 2018 | 50.5-55.9 | 53.3 | - | 53.3 |
| 2017 | 50.5-55.3 | 53.4 | - | 53.2 |
| 2016 | 51.7-56.2 | 53.9 | - | 53.7 |
| 2015 | 51.2-55.3 | 53.8 | - | 53.2 |
| 2014 | 51.3-55.3 | 53 | - | 53.4 |
| 2013 | 48.3-55.6 | 53.6 | - | 53.0 |
| 2012 | 49.3-55.5 | 53.6 | - | 53.1 |
| 2011 | 51.0-55.7 | 53.7 | - | 53.4 |
| 2010 | 51.2-55.7 | 54.0 | - | 53.5 |
| 2009 | 51.1-55.7 | 54.1 | - | 53.6 |
| 2008 | 50.9-55.7 | 53.6 | - | 53.7 |
| 2007 | 51.0-55.5 | 54 | - | 53.7 |
| 2006 | 50.8-57.7 | 53.9 | - | 53.9 |
| 2005 | 50.8-56.8 | 53.9 | 53.0 | 53.7 |
| 2004 | 51.1-55.9 | 54.2 | 53.7 | 54.4 |
| 2003 | 50.6-55.7 | 54.1 | 53.5 | 54 |
| 2002 | 51.2-56.6 | 54.1 | 53.8 | 54.3 |
| 2001 | 51.2-57.2 | 54.5 | 53.7 | 54.7 |
| 2000 | 50.7-58.3 | 55.5 | 53.6 | 55.0 |
说明：
1、“范围”是指北京市各区（县）监测结果的最小值到最大值之间的数据范围。
2、2000-2005年，“城区”是指东城、西城、崇文、宣武四区，2006-2009年是指东城、西城、崇文、宣武、朝阳、海淀、丰台、石景山八区，2010年以后是指东城、西城、朝阳、海淀、丰台、石景山六区。
3、2000-2005年，“近郊”是指朝阳、海淀、丰台、石景山四区，2006年以后将近郊区合并入城区。
4、“远郊”是指门头沟、房山、大兴、通州、平谷、顺义、昌平、密云、怀柔、延庆十区。