| Component | Key source categories (Sorted from high to low from left to right) | Total (%) | Not listed | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SOx | 1 A 4 b i (26.9%) | 1 A 2 a (13.7%) | 1 A 1 a (11.3%) | 1 A 1 b (10.4%) | 1 A 2 f (8.9%) | 1 A 2 c (6.3%) | 1 A 2 d (3.7%) | 1 A 4 a (3.4%) | 1 A 3 b iii (3.2%) | 1 A 3 b i (2.5%) | 90.4 | 3 |
| NOx | 1 A 3 b iii (35.6%) | 1 A 3 b i (16.1%) | 1 A 2 f (11.3%) | 1 A 4 c ii (9.1%) | 1 A 4 b i (6.4%) | 1 A 1 a (3.7%) | 1 A 3 b ii (2.6%) | 4 D 1 (2.4%) | 1 A 2 d (2.3%) | 1 A 2 a (2.3%) | 91.8 | 3 |
| NH3 | 4 B 1 b (29.6%) | 4 B 8 (19.4%) | 4 B 1 a (18.1%) | 4 D 1 (14.5%) | 4 B 9 (8.6%) | 1 A 3 b i (2.8%) | 4 B 3 (1.6%) | 6 D (1.3%) | 95.8 | 0 | ||
| NMVOC | 3 D (19.5%) | 1 A 4 b i (17.3%) | 3 A (12.0%) | 1 A 3 b i (7.8%) | 2 B 5 (6.8%) | 3 C (6.3%) | 3 B (5.2%) | 1 A 4 c ii (3.9%) | 1 A 3 b v (3.5%) | 1 A 4 b ii (3.0%) | 85.2 | 8 |
| CO | 1 A 4 b i (36.4%) | 1 A 3 b i (21.1%) | 1 A 2 a (20.3%) | 1 A 4 c ii (2.9%) | 1 A 4 b ii (2.7%) | 1 A 4 c i (2.4%) | 1 A 2 f (2.0%) | 1 A 3 b iii (1.6%) | 1 A 4 a (1.5%) | 2 B 5 (1.4%) | 92.3 | 3 |
| TSP | 2 A 7 (31.2%) | 4 D 1 (20.1%) | 1 A 3 b vi (11.0%) | 1 A 4 b i (10.0%) | 2 C (3.9%) | 1 A 4 c ii (3.2%) | 1 A 2 f (2.8%) | 1 A 3 b iii (2.7%) | 1 A 2 d (2.6%) | 1 A 3 c (2.2%) | 89.6 | 5 |
| PM10 | 2 A 7 (25.3%) | 4 D 1 (15.2%) | 1 A 4 b i (15.1%) | 1 A 3 b vi (6.1%) | 1 A 4 c ii (5.4%) | 2 C (4.8%) | 1 A 3 b iii (4.6%) | 1 A 2 f (4.5%) | 1 A 2 d (3.9%) | 1 A 3 b i (3.4%) | 88.3 | 5 |
| PM2.5 | 1 A 4 b i (23.9%) | 2 A 7 (14.0%) | 1 A 4 c ii (9.7%) | 1 A 3 b iii (8.2%) | 1 A 2 f (7.6%) | 1 A 3 b i (6.0%) | 1 A 2 d (5.7%) | 2 C (4.3%) | 1 A 3 b vi (3.3%) | 1 A 3 b ii (3.1%) | 85.8 | 6 |
| Pb | 2 C (45.7%) | 1 A 4 b i (19.4%) | 1 A 2 b (8.7%) | 1 A 1 a (7.4%) | 1 A 2 d (5.1%) | 1 A 2 f (4.4%) | 1 A 4 a (2.3%) | 1 A 1 b (1.9%) | 1 A 2 c (1.9%) | 96.7 | 0 | |
| Hg | 2 C (27.2%) | 1 A 4 b i (23.8%) | 1 A 1 a (22.0%) | 1 A 2 f (12.7%) | 1 A 2 d (6.7%) | 1 A 4 a (1.6%) | 1 A 4 c i (1.3%) | 95.4 | 0 | |||
| Cd | 1 A 4 b i (27.8%) | 2 C (20.3%) | 1 A 1 b (12.8%) | 1 A 3 b vi (7.9%) | 1 A 2 d (7.7%) | 1 A 2 f (5.9%) | 1 A 1 a (4.4%) | 1 A 4 a (4.1%) | 1 A 4 c i (4.1%) | 95.0 | 0 | |
| DIOX | 1 A 4 b i (54.2%) | 2 C (27.6%) | 1 A 2 b (3.3%) | 1 A 4 c i (3.1%) | 1 A 4 a (3.0%) | 1 A 2 f (2.0%) | 1 A 3 b i (1.2%) | 1 A 2 d (1.1%) | 95.6 | 0 | ||
| PAH | 1 A 4 b i (71.2%) | 1 A 3 b iii (6.2%) | 1 A 3 b i (5.3%) | 1 A 4 c i (4.2%) | 4 F (2.9%) | 2 C (1.8%) | 1 A 4 a (1.6%) | 1 A 2 f (1.6%) | 1 A 4 c ii (1.5%) | 96.4 | 0 | |
| HCB | 1 A 4 b i (80.4%) | 2 C (7.1%) | 1 A 4 c i (5.8%) | 1 A 4 a (2.5%) | 95.9 | 0 | ||||||