Technical Annual Status Report (Stage 2) for the CLRTAP Inventory Review: Synthesis and Assessment Country report
KEY CATEGORY ANALYSIS
Party: NO Submission year: 2025
Key categories analysis is becoming important in prioritising emission sources and identifying where inventory improvements can be most efficiently implemented. We have assessed the most important sources (the sources making up 80% of the national total) for your country, based on your latest submission. The key sources for the 2023, 2010 and 2005 emissions, including the corresponding percentages, are listed below. |
| Component | Year | Key categories (Sorted from high to low from left to right) | Total | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOx | 2023 | 1A1c (26.9%) | 1A3dii (17.4%) | 1A3bi (8.2%) | 1A4ciii (5.7%) | 2C2 (5.1%) | 1A3biii (4.6%) | 1A3bii (4.0%) | 1A4aii (3.1%) | 1A2gvii (3.0%) | 3Da1 (2.8%) | 80.8% | ||
| NMVOC | 2023 | 2D3i (21.1%) | 1A4bi (16.2%) | 2D3a (15.2%) | 1B2ai (10.1%) | 1B2c (5.0%) | 2D3d (4.1%) | 1A4bii (4.0%) | 3B1b (2.8%) | 1A3dii (2.0%) | 80.5% | |||
| SOx | 2023 | 2C2 (43.5%) | 1A1a (12.7%) | 2C3 (9.8%) | 1A3dii (7.2%) | 1A4bi (3.9%) | 1A1c (3.0%) | 80.0% | ||||||
| NH3 | 2023 | 3Da2a (40.5%) | 3B1b (15.3%) | 3B1a (12.1%) | 3Da1 (7.0%) | 3Da3 (6.1%) | 81.0% | |||||||
| PM2.5 | 2023 | 1A4bi (52.0%) | 1A1a (7.1%) | 1A3bvii (6.2%) | 2C2 (5.2%) | 1A3dii (4.8%) | 1A1c (3.3%) | 1A2gviii (2.4%) | 80.9% | |||||
| PM10 | 2023 | 1A4bi (33.7%) | 1A3bvii (22.1%) | 2A6 (9.5%) | 2A5b (5.5%) | 1A1a (4.4%) | 2C2 (3.1%) | 1A3dii (3.0%) | 81.4% | |||||
| TSP | 2023 | 1A3bvii (26.1%) | 1A4bi (20.5%) | 2A6 (11.4%) | 2A5b (10.8%) | 1A3bvi (6.2%) | 2D3b (6.0%) | 81.0% | ||||||
| BC | 2023 | 1A4bi (29.9%) | 1A3dii (16.4%) | 1A3bvii (8.9%) | 1A1a (7.2%) | 1A4ciii (6.0%) | 1A1c (5.7%) | 1B2c (5.2%) | 1A2gviii (2.5%) | 81.9% | ||||
| CO | 2023 | 2C3 (38.2%) | 1A4bi (30.6%) | 1A4bii (13.8%) | 82.6% | |||||||||
| Pb | 2023 | 1A3bvi (35.6%) | 1A4bi (11.3%) | 2C1 (8.4%) | 1A3aii(i) (8.2%) | 2C3 (5.0%) | 5E (4.3%) | 1A2f (4.0%) | 2B6 (3.1%) | 2C2 (2.8%) | 82.7% | |||
| Cd | 2023 | 1A3bvii (33.6%) | 1A4bi (27.1%) | 1A1a (11.0%) | 1A2gviii (4.4%) | 3F (3.7%) | 2C3 (2.9%) | 82.8% | ||||||
| Hg | 2023 | 1A3dii (19.9%) | 1A1a (13.8%) | 2C2 (11.7%) | 1A1c (9.2%) | 1A4ciii (7.3%) | 2A1 (3.8%) | 1A2f (3.2%) | 1A3bi (3.1%) | 2G (2.6%) | 1A4bi (2.5%) | 1A2d (2.1%) | 3F (1.8%) | 81.0% |
| As | 2023 | 2C3 (21.2%) | 1A1a (15.1%) | 2C7c (9.1%) | 1A3bi (8.3%) | 1A3biii (6.3%) | 1A2gviii (5.6%) | 1A3dii (5.0%) | 1A1c (3.8%) | 2C2 (3.3%) | 1A3bii (3.2%) | 80.8% | ||
| Cr | 2023 | 2G (31.4%) | 1A2f (16.4%) | 1A4ai (10.2%) | 1A4bi (6.6%) | 2C1 (5.4%) | 1A1a (4.8%) | 1A1c (3.9%) | 1A3bi (2.6%) | 81.4% | ||||
| Cu | 2023 | 1A3bvi (60.5%) | 1A3bi (9.0%) | 1A3biii (6.9%) | 1A3c (4.1%) | 80.5% | ||||||||
| DIOX | 2023 | 1A4bi (31.8%) | 1A3dii (16.2%) | 5E (10.9%) | 1A1c (6.7%) | 1A4ciii (5.9%) | 1A1a (5.7%) | 2A1 (5.0%) | 82.1% | |||||
| PAH | 2023 | 1A4bi (29.7%) | 2C3 (22.3%) | 1A3biii (11.0%) | 1A3bi (10.6%) | 1A3bvi (6.7%) | 80.2% | |||||||
| HCB | 2023 | 1A3bi (29.7%) | 2C3 (17.0%) | 1A3bii (13.8%) | 1A1a (10.9%) | 1A4bi (7.5%) | 1A3biii (6.1%) | 85.0% | ||||||
| PCB | 2023 | 1A3biii (86.7%) | 86.7% | |||||||||||
| Component | Year | Key categories (Sorted from high to low from left to right) | Total | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOx | 2010 | 1A1c (23.4%) | 1A3dii (21.1%) | 1A3biii (10.8%) | 1A3bi (9.4%) | 1A4ciii (4.7%) | 2C2 (4.7%) | 1A3bii (4.5%) | 1A2gvii (2.9%) | 81.4% | ||||
| NMVOC | 2010 | 1A4bi (22.5%) | 1B2ai (16.5%) | 2D3i (13.0%) | 2D3a (5.6%) | 2D3d (5.5%) | 1B2c (5.4%) | 1A3bi (4.4%) | 1A4bii (4.3%) | 3B1b (2.0%) | 3B1a (1.9%) | 81.0% | ||
| SOx | 2010 | 2C2 (30.7%) | 1A1a (8.8%) | 1A3dii (8.1%) | 2C3 (7.3%) | 2B5 (5.6%) | 1A2d (5.1%) | 1B2aiv (4.6%) | 1A4bi (4.6%) | 2A1 (3.8%) | 2H1 (3.0%) | 81.8% | ||
| NH3 | 2010 | 3Da2a (41.9%) | 3B1a (13.0%) | 3B1b (11.9%) | 3Da3 (5.8%) | 3B3 (4.9%) | 1A3bi (4.4%) | 81.9% | ||||||
| PM2.5 | 2010 | 1A4bi (58.8%) | 1A3bvii (5.4%) | 2C2 (5.1%) | 1A3dii (4.1%) | 1A1c (2.5%) | 1A1a (2.3%) | 1B2c (2.1%) | 80.2% | |||||
| PM10 | 2010 | 1A4bi (41.9%) | 1A3bvii (21.3%) | 2A6 (5.8%) | 2A5b (3.5%) | 2C2 (3.3%) | 1A3dii (2.8%) | 1A1a (1.7%) | 80.3% | |||||
| TSP | 2010 | 1A4bi (28.1%) | 1A3bvii (27.5%) | 2A6 (7.6%) | 2A5b (7.5%) | 2D3b (4.9%) | 1A3bvi (4.8%) | 80.4% | ||||||
| BC | 2010 | 1A4bi (25.2%) | 1A3dii (12.8%) | 1B2c (10.8%) | 1A3bii (9.4%) | 1A3bvii (7.0%) | 1A3bi (6.9%) | 1A3biii (6.0%) | 1A1c (4.0%) | 82.1% | ||||
| CO | 2010 | 1A4bi (38.7%) | 2C3 (24.5%) | 1A4bii (12.1%) | 1A3bi (9.4%) | 84.6% | ||||||||
| Pb | 2010 | 1A3bvi (26.0%) | 1A4bi (12.2%) | 1A3aii(i) (7.5%) | 1A2d (7.2%) | 2C2 (7.2%) | 5C1a (6.6%) | 1A2f (4.2%) | 2B6 (4.1%) | 5E (3.6%) | 2C3 (3.4%) | 82.0% | ||
| Cd | 2010 | 1A3bvii (28.3%) | 1A4bi (23.8%) | 1A2d (13.6%) | 1A1a (4.5%) | 3F (4.2%) | 2C2 (3.8%) | 2C3 (3.1%) | 81.3% | |||||
| Hg | 2010 | 2A1 (12.6%) | 1A3dii (11.6%) | 2C2 (10.3%) | 1A2d (10.0%) | 2G (7.3%) | 1A1a (6.9%) | 1A1c (5.5%) | 1A4bi (4.7%) | 1A4ai (3.0%) | 1A4ciii (3.0%) | 1A3bi (2.8%) | 2C1 (2.7%) | 80.3% |
| As | 2010 | 2C7c (26.8%) | 1A2d (15.5%) | 2C3 (11.6%) | 2C2 (9.4%) | 1A3bi (5.6%) | 1A1a (5.2%) | 1A3dii (3.0%) | 1A3biii (2.9%) | 80.0% | ||||
| Cr | 2010 | 2G (31.8%) | 1A2d (22.1%) | 1A2f (13.4%) | 1A4bi (5.7%) | 2A1 (2.9%) | 1A1c (2.6%) | 1A1a (2.4%) | 80.9% | |||||
| Cu | 2010 | 1A3bvi (52.2%) | 1A3bi (11.2%) | 1A3biii (5.9%) | 2C7b (4.0%) | 1A3c (3.7%) | 1A2d (3.6%) | 80.7% | ||||||
| DIOX | 2010 | 1A4bi (38.1%) | 1A3dii (12.5%) | 5E (10.8%) | 1A1c (5.7%) | 1A2d (4.9%) | 2C3 (4.8%) | 2C2 (4.3%) | 81.0% | |||||
| PAH | 2010 | 2C3 (37.3%) | 1A4bi (32.4%) | 1A3bi (6.6%) | 1A3biii (5.5%) | 81.8% | ||||||||
| HCB | 2010 | 1A3bi (34.5%) | 1A3bii (15.4%) | 1A4bi (12.4%) | 1A1a (8.2%) | 1A3dii (7.2%) | 1A3biii (6.7%) | 84.4% | ||||||
| PCB | 2010 | 1A3biii (68.6%) | 1B2c (19.6%) | 88.3% | ||||||||||
| Component | Year | Key categories (Sorted from high to low from left to right) | Total | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOx | 2005 | 1A1c (23.3%) | 1A3dii (19.6%) | 1A3biii (13.5%) | 1A3bi (7.3%) | 1A4ciii (5.7%) | 2C2 (4.7%) | 1A2gvii (3.9%) | 1A3bii (3.3%) | 81.4% | ||||
| NMVOC | 2005 | 1B2ai (36.9%) | 1A4bi (14.7%) | 2D3i (8.9%) | 1A3bi (5.0%) | 1B2c (4.8%) | 1A4bii (4.6%) | 2D3d (4.5%) | 2D3a (3.9%) | 83.3% | ||||
| SOx | 2005 | 2C2 (28.2%) | 1A3dii (8.2%) | 2B5 (8.1%) | 2C3 (7.4%) | 1B2aiv (6.2%) | 1A2d (5.6%) | 1A1a (5.4%) | 2C7c (4.1%) | 2H1 (3.2%) | 2A1 (3.1%) | 1A4ciii (2.8%) | 82.3% | |
| NH3 | 2005 | 3Da2a (39.6%) | 3B1a (11.6%) | 3B1b (11.2%) | 3Da1 (7.0%) | 3Da3 (6.1%) | 1A3bi (5.7%) | 81.2% | ||||||
| PM2.5 | 2005 | 1A4bi (55.1%) | 2C2 (8.8%) | 1A3bvii (5.1%) | 2C3 (4.2%) | 1A3dii (3.8%) | 1A1c (2.1%) | 1A3biii (1.9%) | 80.9% | |||||
| PM10 | 2005 | 1A4bi (40.7%) | 1A3bvii (20.4%) | 2C2 (5.9%) | 2A6 (4.6%) | 2C3 (3.5%) | 2A5b (3.5%) | 1A3dii (2.7%) | 81.2% | |||||
| TSP | 2005 | 1A4bi (28.0%) | 1A3bvii (27.1%) | 2A5b (7.7%) | 2A6 (6.1%) | 1A3bvi (4.4%) | 2D3b (4.2%) | 2C2 (3.9%) | 81.4% | |||||
| BC | 2005 | 1A4bi (23.7%) | 1A3dii (12.8%) | 1A3bii (10.7%) | 1A3biii (10.0%) | 1B2c (7.5%) | 1A3bvii (7.0%) | 1A3bi (6.2%) | 1A4ciii (4.1%) | 81.9% | ||||
| CO | 2005 | 1A4bi (32.9%) | 2C3 (27.0%) | 1A3bi (14.4%) | 1A4bii (10.5%) | 84.8% | ||||||||
| Pb | 2005 | 2C1 (26.1%) | 2G (20.3%) | 1A3bvi (14.0%) | 1A4bi (6.6%) | 2C3 (4.5%) | 2C2 (4.2%) | 1A2d (4.2%) | 80.1% | |||||
| Cd | 2005 | 1A3bvii (27.0%) | 1A4bi (20.4%) | 1A2d (11.8%) | 2C3 (9.2%) | 3F (6.7%) | 2C1 (4.9%) | 1A1a (2.7%) | 82.7% | |||||
| Hg | 2005 | 2C1 (20.5%) | 2C2 (9.7%) | 2G (9.1%) | 2A1 (9.0%) | 1A2d (8.0%) | 1A3dii (7.2%) | 5C1bv (3.7%) | 1A1c (3.2%) | 2A6 (3.0%) | 1A4bi (2.4%) | 1A1a (2.4%) | 1A4ciii (2.2%) | 80.3% |
| As | 2005 | 2C3 (27.6%) | 2C7c (17.5%) | 1A2d (14.0%) | 2C2 (9.8%) | 1A3bi (4.9%) | 1A1a (2.9%) | 1A3dii (2.9%) | 1A3biii (2.6%) | 82.2% | ||||
| Cr | 2005 | 2G (27.1%) | 1A2d (20.2%) | 1A4ai (6.3%) | 1A2c (5.8%) | 2C1 (5.1%) | 1A4bi (5.0%) | 1A2gviii (4.2%) | 1A2f (3.6%) | 2B5 (3.0%) | 80.0% | |||
| Cu | 2005 | 1A3bvi (48.6%) | 1A3bi (11.1%) | 1A3biii (5.8%) | 2C3 (5.1%) | 2C7b (4.9%) | 1A3c (4.0%) | 1A2d (3.3%) | 82.8% | |||||
| DIOX | 2005 | 1A4bi (41.2%) | 1A3dii (12.1%) | 5E (8.9%) | 2C2 (5.7%) | 1A1c (5.1%) | 2C3 (4.8%) | 1A2d (4.7%) | 82.5% | |||||
| PAH | 2005 | 2C3 (73.4%) | 1A4bi (13.6%) | 87.0% | ||||||||||
| HCB | 2005 | 2C3 (18.4%) | 1A3bi (14.7%) | 1A3bii (12.1%) | 1A4bi (12.0%) | 1A3biii (7.2%) | 1A3dii (7.2%) | 2C4 (6.6%) | 1A1a (4.2%) | 82.4% | ||||
| PCB | 2005 | 1A3biii (81.6%) | 81.6% | |||||||||||