Table 10.
Pasquill stability class table.
| Wind speed, S(m/s) | Day |
Night |
|||
|---|---|---|---|---|---|
| Strong | Moderate | Slight | Cloudy | Clear | |
| S ≤ 2 | A | A ∼ B | B | E | F |
| 2 < S ≤ 3 | A ∼ B | B | C | E | F |
| 3 < S ≤ 5 | B | B ∼ C | C | D | E |
| 5 < S ≤ 6 | C | C ∼ D | D | D | D |
| 6 < S | C | D | D | D | D |
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