| °Luftverschmutzung | ||||||||
| Luftschadstoffe, in 1000 Tonnen | ||||||||
| Schwefeldixid | Stickoxid | flüchtige organ. Verbindungen | Feinstaub | Kohlenmonoxid | ||||
| 1900 | 28 | 16.4 | 16.5 | 285 | ||||
| 1910 | 34.7 | 20.4 | 19.6 | 280 | ||||
| 1920 | 28.8 | 19.6 | 22.6 | 253 | ||||
| 1930 | 39.6 | 25.4 | 38.1 | 388 | ||||
| 1940 | 35.6 | 22.9 | 45 | 384 | ||||
| 1950 | 46.2 | 32.9 | 66.7 | 21.3 | 485 | |||
| 1955 | 64.7 | 49.3 | 105 | 24.6 | 627 | |||
| 1960 | 83.1 | 65.6 | 143 | 27.9 | 770 | |||
| 1965 | 114 | 102 | 206 | 31.6 | 1040 | |||
| 1970 | 106 | 135 | 281 | 35.2 | 1260 | |||
| 1975 | 102 | 147 | 275 | 34.1 | 1360 | |||
| 1980 | 116 | 172 | 316 | 33 | 1250 | |||
| 1985 | 75.6 | 180 | 317 | 30 | 954 | |||
| 1990 | 42.6 | 163 | 282 | 26.7 | 668 | |||
| 1995 | 27.6 | 128 | 188 | 23.7 | 490 | |||
| 2000 | 18.4 | 113 | 137 | 21.1 | 420 | |||
| 2005 | 17.9 | 91.6 | 102 | 19.9 | 339 | |||
| Verursacher von Luftschadstoffen, in % | ||||||||
| Schwefeldioxid (SO2) | Stickoxid (NOX) | Flüchtige organ. Verbindungen (NMVOC) | Kohlenmonoxid (CO) | |||||
| Industrie&Gewerbe | Verkehr | Industrie&Gewerbe | Verkehr | Industrie&Gewerbe | Verkehr | Industrie&Gewerbe | Verkehr | |
| 1950 | 53.46 | 8.14 | 44.73 | 34.82 | 51.65 | 23.75 | 24.33 | 25.57 |
| 1955 | 55.37 | 7.20 | 41.04 | 41.27 | 51.55 | 28.55 | 19.74 | 34.83 |
| 1960 | 62.94 | 6.03 | 35.78 | 50 | 46.76 | 37.10 | 15.86 | 47.34 |
| 1965 | 65 | 5.32 | 33.07 | 55.25 | 44.88 | 42.06 | 13.93 | 58.41 |
| 1970 | 65.57 | 5.26 | 28.88 | 60.22 | 47.02 | 42.11 | 11.02 | 70.31 |
| 1975 | 68.73 | 5.52 | 24.55 | 65.03 | 43.06 | 45.91 | 8.54 | 78.83 |
| 1980 | 66.47 | 5.94 | 22.12 | 67.65 | 48.30 | 41.18 | 8.59 | 78.13 |
| 1985 | 62.19 | 6.22 | 20.50 | 68.72 | 50.31 | 39.20 | 9.18 | 75.76 |
| 1990 | 67.29 | 9.06 | 23.13 | 64.46 | 57.53 | 30.86 | 10.41 | 72.14 |
| 1995 | 65.01 | 6.27 | 25.00 | 60.51 | 59.72 | 23.89 | 12.61 | 62.55 |
| 2000 | 64 | 12 | 22 | 60 | 58 | 23 | 14 | 64 |
| 2005 | 65 | 3 | 23 | 55 | 54 | 19 | 15 | 60 |