Table 2.
Daily levels of temperature, relative humidity, barometric pressure, and air pollutants during summer months (June–August) in the Helsinki metropolitan area, Finland, 2001–2017.
| Mean | Median | Min. | Max. | SD. | Missing Values | |
|---|---|---|---|---|---|---|
| Meteorology | ||||||
| Temperature [°C] | 16.8 | 16.7 | 6.1 | 26.6 | 3.4 | 0 |
| Relative Humidity [%] |
72 | 73 | 37 | 98 | 12.4 | 0 |
| Barometric Pressure [hPa] |
1012 | 1012 | 986 | 1034 | 7.1 | 0 |
|
Air pollution [µg/m3] |
||||||
| Ozone | 76.8 | 75.9 | 19.4 | 156.0 | 17.6 | 114 |
| PM2.5 | 7.6 | 6.6 | 0.5 | 50.2 | 4.6 | 32 |
| PM10 | 13.2 | 11.9 | 1.6 | 62.9 | 6.5 | 24 |
| NO2 | 17.0 | 16.0 | 2.9 | 62.6 | 7.5 | 23 |