| Component | Key source categories (Sorted from high to low from left to right) | Total (%) | Not listed | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SOx | 1 A 4 b i (25.7%) | 1 A 2 a (14.8%) | 1 A 1 a (12.8%) | 1 A 1 b (11.2%) | 1 A 2 f (8.0%) | 1 A 2 c (6.4%) | 1 A 2 d (3.3%) | 1 A 3 b iii (3.3%) | 1 A 3 b i (2.6%) | 1 A 4 a (2.6%) | 90.8 | 3 |
| NOx | 1 A 3 b iii (38.8%) | 1 A 3 b i (15.7%) | 1 A 2 f (10.1%) | 1 A 4 c ii (8.7%) | 1 A 4 b i (6.3%) | 1 A 1 a (4.0%) | 4 D 1 (2.2%) | 1 A 3 b ii (2.2%) | 1 A 2 d (2.1%) | 1 A 2 a (2.1%) | 92.3 | 3 |
| NH3 | 4 B 1 b (28.8%) | 4 B 8 (19.6%) | 4 B 1 a (18.1%) | 4 D 1 (14.5%) | 4 B 9 (9.3%) | 1 A 3 b i (2.6%) | 4 B 3 (1.4%) | 6 D (1.3%) | 95.7 | 0 | ||
| NMVOC | 3 D (20.8%) | 1 A 4 b i (18.3%) | 3 A (12.9%) | 2 B 5 (6.8%) | 1 A 3 b i (6.6%) | 3 C (6.5%) | 3 B (5.3%) | 1 A 4 c ii (3.8%) | 1 A 3 b iii (2.6%) | 1 A 3 b v (2.6%) | 86.1 | 7 |
| CO | 1 A 4 b i (40.1%) | 1 A 3 b i (20.2%) | 1 A 2 a (17.3%) | 1 A 4 c ii (3.0%) | 1 A 4 c i (2.7%) | 1 A 4 b ii (2.5%) | 1 A 3 b iii (2.1%) | 1 A 2 f (2.0%) | 2 B 5 (1.4%) | 1 A 3 b iv (1.4%) | 92.8 | 2 |
| TSP | 2 A 7 (30.4%) | 4 D 1 (19.8%) | 1 A 3 b vi (11.1%) | 1 A 4 b i (10.3%) | 2 C (4.2%) | 1 A 4 c ii (3.2%) | 1 A 3 b iii (2.9%) | 1 A 2 f (2.5%) | 1 A 2 d (2.5%) | 1 A 3 b i (2.3%) | 89.4 | 4 |
| PM10 | 2 A 7 (24.5%) | 1 A 4 b i (15.5%) | 4 D 1 (14.9%) | 1 A 3 b vi (6.1%) | 1 A 4 c ii (5.4%) | 2 C (5.1%) | 1 A 3 b iii (4.9%) | 1 A 2 f (4.1%) | 1 A 3 b i (3.9%) | 1 A 2 d (3.8%) | 88.3 | 5 |
| PM2.5 | 1 A 4 b i (24.4%) | 2 A 7 (13.5%) | 1 A 4 c ii (9.5%) | 1 A 3 b iii (8.7%) | 1 A 3 b i (6.9%) | 1 A 2 f (6.8%) | 1 A 2 d (5.6%) | 2 C (4.5%) | 1 A 1 a (3.6%) | 1 A 3 b vi (3.3%) | 86.6 | 5 |
| Pb | 2 C (44.9%) | 1 A 4 b i (18.5%) | 1 A 1 a (9.4%) | 1 A 2 b (8.2%) | 1 A 2 d (5.0%) | 1 A 2 f (4.6%) | 1 A 1 b (2.8%) | 1 A 2 c (2.0%) | 95.4 | 0 | ||
| Hg | 2 C (27.3%) | 1 A 1 a (23.3%) | 1 A 4 b i (21.4%) | 1 A 2 f (14.6%) | 1 A 2 d (6.3%) | 1 A 1 b (1.4%) | 1 A 4 c i (1.3%) | 95.6 | 0 | |||
| Cd | 1 A 4 b i (26.5%) | 2 C (19.2%) | 1 A 1 b (17.8%) | 1 A 3 b vi (7.4%) | 1 A 2 d (7.2%) | 1 A 1 a (6.4%) | 1 A 2 f (4.4%) | 1 A 4 c i (3.9%) | 1 A 4 a (2.5%) | 95.3 | 0 | |
| DIOX | 1 A 4 b i (69.9%) | 2 C (7.7%) | 1 A 2 b (4.1%) | 1 A 4 c i (4.0%) | 1 A 2 f (2.9%) | 1 A 4 a (2.6%) | 1 A 1 a (1.5%) | 1 A 3 b iii (1.3%) | 1 A 3 b i (1.3%) | 95.4 | 0 | |
| PAH | 1 A 4 b i (70.3%) | 1 A 3 b iii (7.4%) | 1 A 3 b i (6.1%) | 1 A 4 c i (4.2%) | 4 F (2.8%) | 2 C (1.8%) | 1 A 2 f (1.6%) | 1 A 4 c ii (1.5%) | 95.7 | 0 | ||
| HCB | 1 A 4 b i (81.1%) | 2 C (7.2%) | 1 A 4 c i (6.0%) | 1 A 2 b (1.7%) | 96.0 | 0 | ||||||