Table 2 Evolution of aerosol concentrations as a function of precipitation.
From: Examination of particulate matter concentrations of the outdoor air of Miercurea Ciuc, Romania
PM1.0 | PM2.5 | PM4.0 | PM10 | TSP | Prec. mm | ||
|---|---|---|---|---|---|---|---|
Without rain N = 7 | Mean | 17.79 | 29.39 | 49.38 | 85.84 | 98.07 | 0.00 |
Stdev | 5.1 | 8.0 | 12.9 | 22.6 | 26.1 | ||
Low rainfall intensity (0.2–0.4 mm) N = 1 | Mean | 9.34 | 15.12 | 24.25 | 40.40 | 46.09 | 0.40 |
Stdev | * | * | * | * | * | * | |
Moderate rain intensity (0.4–3.9 mm) N = 3 | Mean | 11.35 | 18.57 | 30.59 | 53.18 | 61.07 | 0.60 |
Stdev | 8.46 | 13.64 | 22.94 | 40.98 | 46.94 | 0.60 | |
Heavy rain intensity (0.4–3.9 mm) N = 3 | Mean | 9.43 | 14.07 | 19.64 | 30.39 | 35.01 | 6.67 |
Stdev | 11.49 | 16.08 | 20.69 | 29.91 | 34.31 | 4.11 |
