From the dataset abstract
Monthly and annual averages of air pollutants in the Helsinki metropolitan area, concentrations comparable to standards, maximum hourly values and data on the temporal representativeness...
| Field | Value |
|---|---|
| Format | XLSX |
| Size | 0.23 MB |
| Published | 30.03.2022 |
| Updated | 20.05.2022 |
| Time series accuracy | year |