| Component | Key source categories (Sorted from high to low from left to right) | Total (%) | Not listed | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SOx | 1 A 4 b i (24.3%) | 1 A 2 a (15.1%) | 1 A 1 a (13.8%) | 1 A 1 b (10.8%) | 1 A 2 f (8.1%) | 1 A 2 c (7.2%) | 1 A 2 d (3.2%) | 1 A 3 b iii (3.1%) | 1 A 4 a (3.1%) | 1 A 3 b i (2.5%) | 91.3 | 3 |
| NOx | 1 A 3 b iii (39.9%) | 1 A 3 b i (15.5%) | 1 A 2 f (8.9%) | 1 A 4 c ii (8.1%) | 1 A 4 b i (6.6%) | 1 A 1 a (5.1%) | 4 D 1 (2.1%) | 1 A 2 a (2.0%) | 1 A 3 b ii (2.0%) | 1 A 2 d (2.0%) | 92.2 | 3 |
| NH3 | 4 B 1 b (29.2%) | 4 B 8 (19.9%) | 4 B 1 a (17.2%) | 4 D 1 (14.4%) | 4 B 9 (9.5%) | 1 A 3 b i (2.4%) | 4 B 3 (1.5%) | 4 B 6 (1.3%) | 95.4 | 0 | ||
| NMVOC | 3 D (20.7%) | 1 A 4 b i (19.6%) | 3 A (12.9%) | 2 B 5 (6.8%) | 3 C (6.5%) | 1 A 3 b i (6.1%) | 3 B (5.3%) | 1 A 4 c ii (3.7%) | 1 A 3 b iii (2.7%) | 1 A 3 b v (2.2%) | 86.5 | 7 |
| CO | 1 A 4 b i (41.3%) | 1 A 3 b i (18.5%) | 1 A 2 a (18.4%) | 1 A 4 c ii (2.9%) | 1 A 4 c i (2.9%) | 1 A 4 b ii (2.4%) | 1 A 3 b iii (2.2%) | 1 A 2 f (1.8%) | 2 B 5 (1.4%) | 1 A 3 b iv (1.3%) | 93.0 | 2 |
| TSP | 2 A 7 (29.9%) | 4 D 1 (19.4%) | 1 A 3 b vi (11.2%) | 1 A 4 b i (10.8%) | 2 C (4.1%) | 1 A 4 c ii (3.1%) | 1 A 3 b iii (3.0%) | 1 A 3 b i (2.5%) | 1 A 2 f (2.4%) | 1 A 1 a (2.2%) | 88.7 | 5 |
| PM10 | 2 A 7 (24.0%) | 1 A 4 b i (16.2%) | 4 D 1 (14.5%) | 1 A 3 b vi (6.1%) | 1 A 4 c ii (5.1%) | 1 A 3 b iii (5.1%) | 2 C (5.0%) | 1 A 3 b i (4.2%) | 1 A 2 f (3.8%) | 1 A 2 d (3.3%) | 87.3 | 5 |
| PM2.5 | 1 A 4 b i (25.1%) | 2 A 7 (13.0%) | 1 A 4 c ii (8.9%) | 1 A 3 b iii (8.8%) | 1 A 3 b i (7.3%) | 1 A 2 f (6.1%) | 1 A 2 d (4.8%) | 2 C (4.4%) | 1 A 1 a (4.2%) | 1 A 3 b vi (3.3%) | 85.9 | 5 |
| Pb | 2 C (43.6%) | 1 A 4 b i (18.2%) | 1 A 1 a (10.9%) | 1 A 2 b (8.0%) | 1 A 2 f (4.6%) | 1 A 2 d (4.3%) | 1 A 2 c (3.1%) | 1 A 1 b (2.6%) | 95.2 | 0 | ||
| Hg | 2 C (26.4%) | 1 A 1 a (25.8%) | 1 A 4 b i (20.5%) | 1 A 2 f (14.1%) | 1 A 2 d (5.1%) | 1 A 2 c (2.4%) | 1 A 4 c i (1.3%) | 95.5 | 0 | |||
| Cd | 1 A 4 b i (27.0%) | 2 C (18.5%) | 1 A 1 b (16.4%) | 1 A 3 b vi (7.3%) | 1 A 1 a (7.0%) | 1 A 2 d (6.1%) | 1 A 2 f (4.3%) | 1 A 4 c i (4.1%) | 1 A 4 a (2.9%) | 1 A 2 c (2.8%) | 96.5 | 0 |
| DIOX | 1 A 4 b i (70.9%) | 2 C (6.7%) | 1 A 4 c i (4.2%) | 1 A 2 b (3.9%) | 1 A 4 a (2.9%) | 1 A 2 f (2.8%) | 1 A 1 a (1.6%) | 1 A 3 b iii (1.4%) | 1 A 2 c (1.4%) | 95.8 | 0 | |
| PAH | 1 A 4 b i (70.4%) | 1 A 3 b iii (7.6%) | 1 A 3 b i (6.3%) | 1 A 4 c i (4.3%) | 4 F (2.5%) | 2 C (1.7%) | 1 A 2 f (1.5%) | 1 A 4 c ii (1.4%) | 95.8 | 0 | ||
| HCB | 1 A 4 b i (81.2%) | 2 C (6.7%) | 1 A 4 c i (6.2%) | 1 A 4 a (1.8%) | 96.0 | 0 | ||||||