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atmosphere pollution
SITES OF SURVEY
Via Leonardo da Vinci: it's the main axis in the East-West direction with heavy traffic. Here a laboratory has been positioned to collect pollutants.
Via Monte Sabotino:it intersects the railway line. Here a CO analyzer has been positioned.
Piazzetta Reale: analyzer of these pollutants: NO2, CO, NMHC, SO2, O3, NO, CH4.
Pollutant Chemical substance that modifies the normal composition of the atmosphere
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METEREOLOGIC CONDITIONS
- (March)
- sunny
- high pression
- cyclonic vortex
- phon winds
- 'bora' (wind)
- precipitations
- April
- perturbations
- cloudy and rainy
TEMPERATURES
- mild
- winterly
| in Paderno Dugnano | in the other provincial emplacements | |
|---|---|---|
| NO2 (see graphic) | It topped 8 times the level of attention in 5 of the 27 days of the survey in the rush hours (7.00 - 8.00 a.m. and 6.00 - 7.00 p.m. | There were overcoming in the same period but with lower intensity and less numerous than in Paderno |
| O3 (see graphic) | It topped the vegetation protection level once | In the north - east area of the district, there were more numerous violation than in Paderno |
| CO (see graphic) | It kept in the law limits | It kept in the law limits |
| SO2 (see graphic) | It kept under the level of attention | It kept under the level of attention |
| Unmethanic hydrocarbons | They were almost always higher than the reference level | They were almost always higher than the reference level |