| Component | Key source categories (Sorted from high to low from left to right) | Total (%) | Not listed | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SOx | 1 A 4 b i (36.5%) | 1 A 1 a (15.4%) | 1 A 2 a (8.7%) | 1 A 4 a (6.6%) | 1 A 2 f (5.7%) | 1 A 2 d (5.6%) | 1 A 1 b (3.0%) | 1 B 2 b (2.6%) | 1 A 3 b i (2.2%) | 1 A 4 c i (2.1%) | 88.5 | 4 |
| NOx | 1 A 3 b i (30.8%) | 1 A 3 b iii (13.6%) | 1 A 2 f (12.7%) | 1 A 4 c ii (8.7%) | 1 A 4 b i (6.4%) | 1 A 1 a (5.6%) | 1 A 2 d (3.3%) | 1 A 3 b ii (3.1%) | 1 A 2 a (2.6%) | 4 D 1 (2.5%) | 89.2 | 4 |
| NH3 | 4 B 1 b (26.6%) | 4 B 1 a (22.0%) | 4 B 8 (20.5%) | 4 D 1 (14.1%) | 4 B 9 (9.6%) | 1 A 3 b i (1.6%) | 4 B 3 (1.4%) | 95.7 | 0 | |||
| NMVOC | 1 A 4 b i (18.3%) | 3 A (16.2%) | 1 A 3 b i (14.9%) | 3 D (13.3%) | 1 A 3 b v (6.6%) | 3 C (6.6%) | 3 B (4.9%) | 1 A 4 c ii (3.1%) | 2 B 5 (2.9%) | 1 B 2 a iv (2.3%) | 89.0 | 5 |
| CO | 1 A 4 b i (34.9%) | 1 A 3 b i (30.7%) | 1 A 2 a (16.9%) | 1 A 4 c ii (2.3%) | 1 A 4 b ii (2.1%) | 1 A 3 b ii (1.9%) | 2 C (1.9%) | 1 A 2 f (1.6%) | 6 A (1.1%) | 1 A 4 c i (1.0%) | 94.5 | 1 |
| TSP | 2 A 7 (23.4%) | 4 D 1 (22.0%) | 1 A 4 b i (13.7%) | 1 A 3 b vi (8.8%) | 2 C (7.1%) | 1 A 4 c ii (3.6%) | 1 A 2 f (3.1%) | 1 A 2 d (2.8%) | 1 A 3 c (2.4%) | 1 A 3 b iii (1.6%) | 88.5 | 5 |
| PM10 | 1 A 4 b i (19.6%) | 2 A 7 (18.2%) | 4 D 1 (15.8%) | 2 C (8.6%) | 1 A 4 c ii (5.7%) | 1 A 2 f (4.8%) | 1 A 3 b vi (4.6%) | 1 A 2 d (4.0%) | 1 A 3 b iii (2.6%) | 1 A 3 b i (2.6%) | 86.6 | 6 |
| PM2.5 | 1 A 4 b i (29.4%) | 1 A 4 c ii (9.7%) | 2 A 7 (9.6%) | 1 A 2 f (7.9%) | 2 C (7.3%) | 1 A 2 d (5.7%) | 1 A 3 b iii (4.4%) | 1 A 3 b i (4.4%) | 1 A 3 b ii (3.4%) | 4 D 1 (2.7%) | 84.5 | 6 |
| Pb | 1 A 3 b i (66.5%) | 2 C (15.5%) | 1 A 3 b ii (6.1%) | 1 A 2 f (2.2%) | 1 A 4 b i (2.0%) | 1 A 2 b (2.0%) | 1 A 4 b ii (1.0%) | 95.3 | 0 | |||
| Hg | 1 A 2 f (32.7%) | 1 A 4 b i (19.3%) | 1 A 1 a (15.1%) | 2 B 5 (12.5%) | 2 C (11.9%) | 1 A 2 d (3.0%) | 6 C (2.5%) | 97.1 | 0 | |||
| Cd | 2 C (30.2%) | 1 A 4 b i (21.6%) | 1 A 2 d (9.7%) | 1 A 2 f (7.7%) | 1 A 1 b (5.9%) | 1 A 2 b (5.6%) | 6 C (3.8%) | 1 A 3 b vi (3.7%) | 1 A 1 a (3.4%) | 1 A 4 a (2.7%) | 94.4 | 1 |
| DIOX | 1 A 2 b (31.2%) | 1 A 4 b i (26.8%) | 2 C (23.1%) | 6 C (11.3%) | 1 A 3 b i (1.9%) | 2 A 7 (1.1%) | 95.3 | 0 | ||||
| PAH | 1 A 4 b i (46.4%) | 2 C (36.8%) | 2 A 7 (3.1%) | 1 A 3 b i (2.7%) | 2 B 5 (2.6%) | 1 A 4 c i (1.9%) | 4 F (1.4%) | 95.0 | 0 | |||
| HCB | 1 A 4 b i (55.8%) | 1 A 2 b (18.4%) | 3 D (9.7%) | 2 C (8.7%) | 1 A 4 c i (2.6%) | 95.2 | 0 | |||||