Table 3.
Source apportionment of NO2 concentrations measured on an annual basis at each of the monitoring stations (Piedmont Region, 2018).
| Torino Rebaudengo |
Torino Consolata |
Torino Lingotto |
Torino Rubino |
||||
|---|---|---|---|---|---|---|---|
| Emission category | Share | Emission category | Share | Emission category | Share | Emission category | Share |
| Industry | 11.2% | Industry | 9.1% | Industry | 10.8% | Industry | 10.7% |
| Residential heating | 9.0% | Residential heating | 9.8% | Residential heating | 8.8% | Residential heating | 8.7% |
| Road traffic | 74.9% | Road traffic | 76.5% | Road traffic | 76.2% | Road traffic | 76.4% |
| Agriculture | 0.6% | Agriculture | 0.7% | Agriculture | 0.7% | Agriculture | 0.7% |
| Other | 4.3% | Other | 3.9% | Other | 3.5% | Other | 3.5% |