Table 3.
Site: Session | calm (wind speed< 0.6 m/s) | light winds (0.6 m/s<wind speed< 3 m/s) | ||
---|---|---|---|---|
Pollutant | Full | 160 m | Full | 160 m |
UFP | −24 | −27 | 6 | 16 |
PM2.5 | −22c | 1c | 31 | 33 |
PM10 | −5c | 40c | 26 | 30 |
NO | −26 | −16 | 29 | 26 |
NO2 | −31 | −21 | 2 | 6 |
CO | −21 | −10 | 17 | 15 |
relative reduction as defined in Section 4.2
average of only positive values
only one day
n/a- data not available
UFP-Ultrafine particles
PM-Particulate matter