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| County | Site | Units | Max | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Eastern Cape | East London | µg/m³ | 26.3 | 24.5 | 24.7 | 25.0 | 25.1 | 26.1 | 26.3 | 26.3 | 26.1 | 26.2 | 26.2 | 26.1 | 25.9 | 25.8 | 25.5 | 24.9 | 24.3 | 23.7 | 22.7 | 21.8 | 18.7 | 15.5 | 14.1 | 13.0 | 12.2 |
| Eastern Cape | Mobile | µg/m³ | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 |
| Eastern Cape | Saltworks | µg/m³ | 12.3 | 8.1 | 8.3 | 8.0 | 8.0 | 7.9 | 7.8 | 7.9 | 8.1 | 8.3 | 8.4 | 8.6 | 8.7 | 9.1 | 9.2 | 9.3 | 9.5 | 9.7 | 9.9 | 10.0 | 10.2 | 10.5 | 12.2 | 12.1 | 12.3 |
| Eastern Cape | Walmer | µg/m³ | 21.4 | 21.4 | 20.5 | 20.0 | 19.5 | 19.2 | 18.9 | 18.8 | 18.9 | 19.1 | 19.0 | 18.8 | 18.8 | 18.7 | 18.7 | 18.8 | 18.9 | 18.6 | 18.0 | 17.7 | 16.5 | 15.5 | 14.2 | 13.5 | 13.2 |
| Free State | AJ Jacobs | µg/m³ | 25.3 | 25.3 | 24.2 | 23.5 | 22.6 | 21.6 | 21.1 | 21.7 | 22.9 | 23.2 | 23.3 | 23.7 | 23.7 | 23.5 | 24.4 | 24.2 | 24.3 | 24.3 | 24.3 | 23.7 | 23.1 | 22.8 | 22.9 | 22.9 | 23.1 |
| Free State | Bongani Mabaso Eco Park | µg/m³ | 26.4 | 25.3 | 24.5 | 23.7 | 22.8 | 22.1 | 22.2 | 23.7 | 25.6 | 26.1 | 26.1 | 26.4 | 26.4 | 26.2 | 25.8 | 25.5 | 25.3 | 25.2 | 25.0 | 25.0 | 24.9 | 24.5 | 24.3 | 24.1 | 23.7 |
| Free State | Leitrim | µg/m³ | 40.3 | 34.2 | 33.5 | 32.9 | 32.2 | 30.7 | 29.9 | 31.6 | 33.4 | 34.4 | 34.8 | 35.6 | 35.6 | 35.4 | 35.6 | 36.5 | 36.9 | 36.6 | 37.1 | 39.7 | 40.3 | 39.6 | 38.7 | 38.3 | 38.1 |
| Free State | Pelonomi | µg/m³ | 91.8 | 83.8 | 84.4 | 82.8 | 80.6 | 81.6 | 83.2 | 86.1 | 89.6 | 90.3 | 90.9 | 91.1 | 91.2 | 91.1 | 91.0 | 90.8 | 90.6 | 90.5 | 90.4 | 90.9 | 91.8 | 91.3 | 87.7 | 83.1 | 79.0 |
| Free State | Zamdela | µg/m³ | 45.9 | 26.4 | 25.2 | 23.7 | 23.0 | 22.7 | 22.6 | 25.0 | 28.4 | 30.5 | 31.0 | 31.9 | 31.9 | 31.9 | 33.3 | 34.9 | 36.4 | 36.2 | 37.2 | 39.2 | 43.4 | 45.1 | 45.9 | ||
| Gauteng | Alexandra | µg/m³ | 33.9 | 33.7 | 32.9 | 32.5 | 32.1 | 32.0 | 31.8 | 31.5 | 31.6 | 32.9 | 33.9 | 33.6 | 33.1 | 32.7 | 32.4 | 32.1 | 31.7 | 31.3 | 30.7 | 30.2 | 30.0 | 29.1 | 28.1 | 27.4 | 26.9 |
| Gauteng | Bedfordview | µg/m³ | 43.5 | 33.5 | 33.8 | 34.4 | 35.5 | 36.3 | 37.6 | 39.5 | 41.5 | 42.9 | 43.5 | 43.5 | 43.1 | 42.9 | 42.4 | 42.0 | 41.6 | 41.0 | 41.5 | 41.4 | 42.9 | 43.0 | 42.6 | 42.4 | 41.9 |
| Gauteng | Bodibeng | µg/m³ | 38.2 | 25.9 | 26.6 | 27.2 | 27.3 | 28.1 | 28.5 | 29.4 | 31.2 | 32.4 | 32.9 | 33.9 | 33.7 | 34.2 | 34.8 | 34.6 | 34.9 | 35.6 | 35.1 | 36.0 | 37.6 | 38.2 | 37.5 | 36.9 | 36.3 |
| Gauteng | Buccleugh | µg/m³ | 46.9 | 30.4 | 31.1 | 32.3 | 33.5 | 33.9 | 34.5 | 35.4 | 37.1 | 39.8 | 41.9 | 42.8 | 43.7 | 44.5 | 45.3 | 46.0 | 46.9 | ||||||||
| Gauteng | Diepkloof | µg/m³ | 38 | 32 | 32 | 32 | 33 | 33 | 33 | 34 | 35 | 38 | 35 | 35 | 36 | 36 | 36 | 35 | 34 | 34 | 33 | 34 | 34 | 33 | 31 | 30 | 30 |
| Gauteng | Etwatwa | µg/m³ | 51.7 | 35.2 | 36.4 | 37.9 | 39.9 | 42.0 | 44.7 | 47.2 | 48.9 | 51.1 | 51.7 | 51.4 | 51.1 | 50.8 | 50.5 | 50.0 | 49.6 | 49.3 | 49.2 | 49.0 | 46.8 | 44.0 | 41.9 | 41.3 | 40.8 |
| Gauteng | Jabavu | µg/m³ | 37.8 | 36.1 | 36.4 | 37.0 | 36.8 | 36.6 | 36.3 | 37.8 | 37.6 | 37.7 | 37.6 | 37.5 | 37.4 | 37.1 | 36.5 | 36.3 | 36.4 | 35.7 | 35.3 | 34.9 | 35.7 | 34.7 | 33.8 | 33.0 | 32.5 |
| Gauteng | Kliprivier | µg/m³ | 48.9 | 38.2 | 39.7 | 40.9 | 41.6 | 42.6 | 43.8 | 44.7 | 45.4 | 46.0 | 46.6 | 46.0 | 45.8 | 46.9 | 48.0 | 48.2 | 48.6 | 48.9 | 48.5 | 47.9 | 46.9 | 46.3 | 45.6 | 43.7 | 40.9 |
| Gauteng | Olifantsfontein | µg/m³ | 73.1 | 46.0 | 47.7 | 49.1 | 50.5 | 52.7 | 56.2 | 60.6 | 64.3 | 68.7 | 72.8 | 73.1 | 72.7 | 72.4 | 72.4 | 72.4 | 72.0 | 71.4 | 70.2 | 68.7 | 68.3 | 65.6 | 62.4 | 60.4 | 57.8 |
| Gauteng | Rosslyn | µg/m³ | 42.3 | 24.1 | 24.5 | 25.5 | 26.6 | 27.7 | 29.0 | 30.2 | 31.4 | 33.5 | 34.8 | 35.6 | 35.9 | 36.3 | 36.8 | 37.0 | 36.9 | 36.8 | 37.2 | 37.6 | 36.9 | 36.9 | 38.4 | 40.4 | 42.3 |
| Gauteng | Sebokeng | µg/m³ | 28.2 | 23.8 | 24.5 | 25.3 | 25.5 | 25.3 | 25.5 | 25.8 | 26.6 | 27.6 | 28.2 | 28.1 | 27.7 | 27.4 | 26.3 | 26.5 | 26.0 | 26.4 | 26.9 | 27.4 | 27.0 | 25.7 | 24.9 | 25.0 | 24.4 |
| Gauteng | Three Rivers | µg/m³ | 52.5 | 42.3 | 42.8 | 44.4 | 45.0 | 45.0 | 45.4 | 46.5 | 47.7 | 48.1 | 48.2 | 47.7 | 49.0 | 50.3 | 50.3 | 50.3 | 52.5 | 52.0 | 50.9 | 49.7 | 46.4 | 42.8 | 39.5 | 38.6 | 38.2 |
| Gauteng | Vanderbijlpark | µg/m³ | 44.2 | 44.2 | 42.1 | 41.6 | 40.6 | 39.4 | 38.9 | 39.3 | 39.4 | 40.5 | 40.4 | 40.1 | 39.7 | 39.3 | 38.8 | 38.5 | 38.3 | 38.1 | 37.9 | 36.5 | 35.9 | 34.0 | 32.2 | 31.2 | 30.5 |
| KwaZul | Amanzimtoti | µg/m³ | 40 | 33 | 34 | 34 | 35 | 36 | 36 | 38 | 38 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 39 | 38 | 37 | 36 | 34 | 33 | 32 | 30 | 29 |
| KwaZul | Brackenham - RBCAA | µg/m³ | 11 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 |
| KwaZul | Cato Ridge | µg/m³ | 39.5 | 34.2 | 34.5 | 32.7 | 33.3 | 33.4 | 32.5 | 31.8 | 33.8 | 35.2 | 36.2 | 37.3 | 37.8 | 38.3 | 38.5 | 39.0 | 39.4 | 39.5 | 39.2 | 38.9 | 38.5 | 35.9 | 32.2 | 29.1 | 26.7 |
| KwaZul | City Hall - Durban | µg/m³ | 18.1 | 16.0 | 16.6 | 17.1 | 16.9 | 16.0 | 14.8 | 14.8 | 14.8 | 14.9 | 15.0 | 15.5 | 16.0 | 16.4 | 16.7 | 17.0 | 17.2 | 17.5 | 17.7 | 17.9 | 18.0 | 18.1 | 17.7 | 17.2 | 16.7 |
| KwaZul | Ganges | µg/m³ | 30.4 | 20.2 | 21.0 | 21.7 | 22.3 | 22.7 | 23.1 | 23.7 | 24.5 | 25.5 | 25.9 | 26.7 | 28.0 | 28.5 | 28.8 | 29.1 | 29.3 | 29.5 | 29.8 | 30.0 | 30.2 | 30.4 | 30.2 | 29.7 | 28.5 |
| KwaZul | Hambanathi Tongaat | µg/m³ | 6.8 | 6.8 | 6.8 | 6.7 | 6.6 | 6.4 | 6.2 | 5.9 | 5.6 | 5.2 | 5.1 | 5.2 | 5.3 | 5.4 | 5.4 | 5.5 | |||||||||
| KwaZul | Pietermaritzburg Airport - ORIBI | µg/m³ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| KwaZul | Settlers | µg/m³ | 25.2 | 16.6 | 17.3 | 17.8 | 18.3 | 18.6 | 19.0 | 19.2 | 19.4 | 19.7 | 20.3 | 21.2 | 22.3 | 22.8 | 23.2 | 23.5 | 23.8 | 24.0 | 24.4 | 24.6 | 24.9 | 25.2 | 25.0 | 24.3 | 23.4 |
| KwaZul | Umkomaas | µg/m³ | 15.5 | 12.9 | 13.0 | 13.3 | 13.7 | 14.0 | 14.2 | 14.5 | 14.6 | 14.6 | 14.4 | 14.3 | 14.5 | 14.9 | 15.1 | 15.3 | 15.5 | 15.5 | 15.4 | 15.2 | 15.0 | 14.8 | 14.5 | 14.0 | 13.7 |
| KwaZul | Wentworth Reservior | µg/m³ | 23.7 | 15.9 | 16.5 | 16.9 | 17.2 | 17.5 | 18.0 | 18.3 | 18.6 | 18.9 | 19.5 | 20.1 | 21.1 | 21.6 | 22.0 | 22.3 | 22.6 | 22.8 | 23.1 | 23.3 | 23.5 | 23.7 | 23.4 | 22.7 | 21.8 |
| Limpopo | Capricorn | µg/m³ | 36.8 | 15.0 | 15.7 | 16.6 | 17.0 | 17.5 | 17.9 | 18.8 | 20.3 | 24.2 | 26.9 | 27.3 | 28.0 | 29.3 | 29.3 | 29.7 | 30.5 | 31.2 | 31.7 | 32.7 | 33.6 | 34.2 | 34.6 | 35.8 | 36.8 |
| Limpopo | Mokopane | µg/m³ | 15.9 | 14.3 | 14.2 | 14.6 | 14.2 | 14.1 | 14.0 | 14.1 | 14.5 | 14.8 | 15.0 | 15.3 | 15.5 | 15.8 | 15.9 | 15.9 | 15.9 | 15.8 | 15.8 | 15.7 | 15.6 | 15.4 | 15.3 | 15.3 | 15.4 |
| Limpopo | Phalaborwa | µg/m³ | 7.7 | 6.6 | 6.6 | 6.7 | 6.7 | 6.8 | 6.9 | 7.1 | 7.1 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.2 | 7.2 | 7.3 | 7.4 | 7.4 | 7.5 | 7.5 | 7.6 | 7.6 | 7.7 | 7.7 |
| Limpopo | Steelpoort | µg/m³ | 7.2 | 7.2 | 6.5 | 5.1 | 4.7 | 4.7 | 4.2 | 4.0 | 4.0 | 4.4 | 4.8 | 4.9 | 4.9 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 5.0 | 5.1 |
| Limpopo | Thabazimbi | µg/m³ | 54.0 | 27.1 | 27.6 | 28.1 | 28.3 | 28.8 | 29.0 | 28.9 | 30.7 | 31.8 | 32.5 | 32.9 | 33.1 | 33.6 | 34.1 | 34.8 | 35.7 | 36.7 | 42.7 | 44.5 | 47.0 | 51.3 | 53.5 | 53.7 | 54.0 |
| Mpumalanga | Bosjesspruit | µg/m³ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mpumalanga | Club | µg/m³ | 36.8 | 28.9 | 30.0 | 30.9 | 31.2 | 32.1 | 33.2 | 34.5 | 35.5 | 36.8 | 36.1 | 35.9 | 35.7 | 36.0 | 36.0 | 35.8 | 35.4 | 36.0 | 36.7 | 36.3 | 36.4 | 35.7 | 35.2 | 35.2 | 34.9 |
| Mpumalanga | eMalahleni - SAWS | µg/m³ | 25.9 | 22.4 | 22.8 | 23.1 | 23.2 | 23.6 | 24.1 | 25.0 | 25.3 | 25.5 | 25.9 | 25.8 | 25.5 | 25.2 | 25.0 | 24.5 | 24.0 | 23.2 | 21.7 | 20.0 | 18.0 | 17.4 | 17.4 | 17.1 | 17.3 |
| Mpumalanga | Embalenhle | µg/m³ | 33.9 | 14.5 | 15.1 | 15.2 | 15.5 | 15.9 | 16.4 | 17.0 | 17.8 | 18.1 | 18.9 | 19.2 | 18.9 | 33.0 | 32.8 | 33.0 | 33.2 | 33.3 | 33.9 | 33.9 | 32.3 | 30.6 | 29.7 | 29.8 | 30.0 |
| Mpumalanga | eMbalenhle North | µg/m³ | 38.4 | 32.9 | 33.7 | 33.9 | 34.2 | 35.1 | 35.8 | 36.9 | 38.4 | 34.3 | 35.9 | 36.8 | 35.9 | 35.0 | 35.4 | 35.8 | 35.3 | 35.0 | 34.9 | 34.9 | 35.2 | 34.2 | 29.6 | 26.9 | 26.6 |
| Mpumalanga | Ermelo | µg/m³ | 39.0 | 24.9 | 25.6 | 26.5 | 27.4 | 28.6 | 31.7 | 35.1 | 37.7 | 36.9 | 37.1 | 36.4 | 37.1 | 38.2 | 38.5 | 38.9 | 38.7 | 39.0 | 37.9 | 37.2 | 36.5 | 36.0 | 36.1 | 36.0 | 35.7 |
| Mpumalanga | Hendrina - SAWS | µg/m³ | 15.4 | 10.9 | 11.4 | 11.6 | 11.9 | 12.2 | 12.6 | 13.0 | 13.6 | 13.6 | 13.8 | 13.6 | 13.6 | 13.8 | 14.2 | 14.8 | 14.8 | 15.4 | |||||||
| Mpumalanga | Middelburg - SAWS | µg/m³ | 23.6 | 19.3 | 19.8 | 20.3 | 20.7 | 21.1 | 21.5 | 21.9 | 22.7 | 22.6 | 23.2 | 23.6 | 23.0 | 21.5 | 20.4 | 19.6 | 18.9 | 18.0 | 16.8 | 15.8 | 15.9 | 16.1 | 16.1 | 16.0 | 15.8 |
| Mpumalanga | Middelburg MP | µg/m³ | 31.2 | 24.5 | 25.1 | 25.3 | 25.7 | 26.4 | 26.8 | 27.1 | 27.9 | 28.7 | 29.7 | 30.9 | 31.2 | 30.7 | 28.8 | 27.6 | 26.6 | 25.7 | 24.7 | 23.2 | 21.9 | 20.8 | 20.1 | 20.0 | 19.7 |
| Mpumalanga | Secunda | µg/m³ | 18.7 | 16.7 | 16.8 | 15.9 | 15.8 | 16.0 | 16.3 | 17.0 | 18.0 | 18.7 | 18.6 | 18.2 | 18.0 | 17.7 | 17.8 | 17.9 | 17.9 | 17.8 | 18.7 | 17.4 | 16.3 | 15.0 | 14.3 | 14.0 | 14.3 |
| Mpumalanga | Standerton - MP Province | µg/m³ | 26.2 | 24.8 | 25.1 | 25.1 | 25.1 | 25.1 | 25.1 | 25.4 | 25.7 | 25.6 | 25.7 | 25.7 | 25.7 | 25.5 | 25.7 | 26.2 | |||||||||
| North West | Damonsville | µg/m³ | 35.1 | 19.1 | 19.8 | 20.2 | 20.7 | 21.4 | 22.2 | 23.5 | 24.8 | 25.6 | 25.7 | 25.8 | 26.0 | 26.1 | 26.3 | 26.6 | 26.8 | 27.1 | 27.3 | 29.2 | 31.0 | 32.7 | 33.1 | 33.9 | 35.1 |
| North West | Marikana Community Centre | µg/m³ | 33.8 | 22.1 | 22.4 | 22.8 | 23.2 | 23.6 | 24.0 | 24.5 | 25.2 | 26.0 | 26.9 | 27.3 | 27.6 | 27.8 | 28.0 | 28.1 | 28.4 | 28.5 | 28.6 | 30.0 | 31.5 | 32.4 | 33.2 | 33.6 | 33.8 |
| North West | Welgegund | µg/m³ | 11.8 | 11.6 | 11.6 | 11.4 | 11.3 | 11.2 | 11.0 | 11.1 | 11.2 | 11.5 | 11.7 | 11.8 | 11.7 | 11.6 | 11.7 | 11.7 | 11.7 | 11.6 | 11.5 | 11.3 | 11.2 | 11.1 | 10.9 | 10.8 | 10.7 |
| North West | Xanadu | µg/m³ | 36.4 | 27.1 | 27.5 | 28.0 | 28.8 | 29.2 | 29.6 | 29.9 | 29.8 | 29.7 | 30.2 | 30.7 | 30.9 | 30.9 | 30.9 | 31.2 | 31.6 | 31.9 | 32.3 | 32.8 | 33.1 | 33.8 | 34.7 | 35.5 | 36.4 |
| Northern Cape | Karoo | µg/m³ | 8.2 | 4.5 | 4.6 | 4.7 | 4.8 | 4.9 | 5.0 | 5.1 | 6.0 | 6.4 | 6.7 | 6.9 | 7.0 | 7.2 | 7.2 | 7.3 | 7.4 | 7.6 | 7.6 | 7.6 | 7.7 | 8.0 | 8.2 | 8.2 | 8.1 |
| Western Cape | Cape Point | µg/m³ | 7.0 | 6.6 | 6.4 | 6.1 | 6.1 | 5.9 | 6.0 | 6.1 | 6.1 | 6.6 | 6.9 | 7.0 | 7.0 | 6.7 | 6.2 | 5.8 | 5.6 | 5.2 | 4.9 | 4.7 | 4.6 | 4.5 | 4.3 | 4.2 | 4.1 |
| Western Cape | Foreshore | µg/m³ | 91.6 | 26.5 | 27.9 | 27.3 | 27.1 | 28.1 | 29.4 | 29.0 | 37.1 | 61.3 | 73.9 | 75.1 | 77.9 | 82.2 | 83.0 | 83.5 | 84.0 | 84.4 | 83.8 | 83.8 | 87.1 | 87.8 | 89.6 | 90.6 | 91.6 |
| Western Cape | George | µg/m³ | 16.6 | 16.6 | 16.4 | 16.4 | 16.4 | 16.5 | 16.5 | 16.5 | 16.0 | 15.3 | 13.2 | 11.2 | 10.4 | 10.2 | 10.1 | 10.2 | 10.2 | 10.0 | 9.3 | 8.6 | 7.8 | 7.7 | 7.8 | 8.0 | 8.2 |
| Western Cape | Khayelitsha - CT Metro | µg/m³ | 39.0 | 39.0 | 35.2 | 31.3 | 27.0 | 22.9 | 20.1 | 17.9 | 15.9 | 15.3 | 15.1 | 15.0 | 15.2 | 14.9 | 15.4 | 15.3 | 16.0 | 16.6 | 17.0 | 17.5 | 17.4 | 17.2 | 16.8 | 16.4 | 16.1 |
| Western Cape | Maitland | µg/m³ | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Western Cape | Table View | µg/m³ | 13.8 | 13.8 | 12.6 | 11.1 | 10.1 | 9.1 | 8.2 | 7.7 | 7.4 | 7.2 | 7.2 | 7.0 | 7.0 | 7.4 | 7.6 | 7.8 | 8.0 | 8.0 | 7.8 | 7.7 | 7.6 | 7.6 | 7.6 | 7.5 | 7.3 |
| Western Cape | Worcester | µg/m³ | 12.9 | 12.9 | 12.8 | 12.6 | 12.3 | 12.2 | 12.1 | 11.8 | 11.3 | 10.9 | 10.2 | 9.6 | 9.0 | 8.8 | 8.6 | 8.4 | 8.2 | 7.7 | 7.4 | 7.2 | 7.0 | 6.7 | 6.4 | 6.2 | 5.9 |
