| 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 |
21.6 |
21.6 |
21.1 |
20.9 |
21.0 |
20.7 |
20.4 |
20.0 |
19.7 |
19.7 |
19.6 |
19.6 |
19.2 |
18.6 |
17.9 |
17.0 |
16.1 |
15.4 |
14.6 |
12.4 |
10.1 |
11.0 |
12.5 |
13.4 |
13.9 |
| 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 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
| Eastern Cape |
Saltworks |
µg/m³ |
6.8 |
6.7 |
6.6 |
6.6 |
6.6 |
6.6 |
6.5 |
6.5 |
6.5 |
6.5 |
6.5 |
6.5 |
6.5 |
6.5 |
6.6 |
6.7 |
6.8 |
6.7 |
6.5 |
6.3 |
6.2 |
6.2 |
6.2 |
6.2 |
6.1 |
| Eastern Cape |
Walmer |
µg/m³ |
17.7 |
17.7 |
17.7 |
17.7 |
17.7 |
17.6 |
17.5 |
17.2 |
16.7 |
16.6 |
16.5 |
16.5 |
16.5 |
16.3 |
16.3 |
16.2 |
15.9 |
15.7 |
15.3 |
14.9 |
13.5 |
10.6 |
9.4 |
9.1 |
8.8 |
| Free State |
AJ Jacobs |
µg/m³ |
51.8 |
51.8 |
51.1 |
48.0 |
43.8 |
40.9 |
38.2 |
35.1 |
32.2 |
28.9 |
26.6 |
25.6 |
25.0 |
24.8 |
24.6 |
24.5 |
24.5 |
24.3 |
23.9 |
23.5 |
23.1 |
22.7 |
22.0 |
21.6 |
21.0 |
| Free State |
Bongani Mabaso Eco Park |
µg/m³ |
57.9 |
57.9 |
56.3 |
53.0 |
48.3 |
44.9 |
41.6 |
40.9 |
43.1 |
41.1 |
38.5 |
36.5 |
35.6 |
35.3 |
35.0 |
34.9 |
34.8 |
34.7 |
34.6 |
34.1 |
33.0 |
32.4 |
32.3 |
32.1 |
31.6 |
| Free State |
Leitrim |
µg/m³ |
59.0 |
56.9 |
57.3 |
56.0 |
54.9 |
53.9 |
55.5 |
56.1 |
57.1 |
59.0 |
57.7 |
56.5 |
56.1 |
56.0 |
55.7 |
55.5 |
55.4 |
55.2 |
54.9 |
51.8 |
49.5 |
48.2 |
47.3 |
46.1 |
45.0 |
| Free State |
Pelonomi |
µg/m³ |
77.6 |
74.0 |
65.9 |
60.6 |
57.3 |
53.4 |
50.0 |
46.3 |
42.9 |
43.0 |
44.0 |
44.4 |
44.7 |
45.1 |
45.4 |
45.6 |
45.7 |
45.7 |
45.4 |
45.5 |
52.5 |
65.7 |
72.5 |
77.3 |
77.6 |
| Free State |
Zamdela |
µg/m³ |
47.4 |
47.4 |
47.0 |
45.3 |
42.2 |
39.9 |
38.1 |
38.3 |
41.0 |
42.1 |
40.4 |
38.6 |
37.8 |
39.7 |
39.9 |
39.6 |
39.3 |
38.7 |
38.1 |
36.5 |
35.3 |
34.5 |
33.5 |
32.8 |
31.9 |
| Gauteng |
Alexandra |
µg/m³ |
52.6 |
52.6 |
51.0 |
51.0 |
50.7 |
50.2 |
49.6 |
48.9 |
48.3 |
48.6 |
48.3 |
47.5 |
47.0 |
46.8 |
46.6 |
46.5 |
46.2 |
45.8 |
45.7 |
45.6 |
46.3 |
46.8 |
47.4 |
47.9 |
49.0 |
| Gauteng |
Bedfordview |
µg/m³ |
54.4 |
54.4 |
53.6 |
52.0 |
50.5 |
49.2 |
48.1 |
47.2 |
46.1 |
44.8 |
44.1 |
43.4 |
43.0 |
42.2 |
41.5 |
41.4 |
41.3 |
41.5 |
41.3 |
42.2 |
42.1 |
41.8 |
41.9 |
42.4 |
41.8 |
| Gauteng |
Bodibeng |
µg/m³ |
36.1 |
33.8 |
33.4 |
33.9 |
34.7 |
35.3 |
36.0 |
36.1 |
35.1 |
35.1 |
35.1 |
35.0 |
34.6 |
32.7 |
31.8 |
30.1 |
30.3 |
29.4 |
28.6 |
28.5 |
27.2 |
26.5 |
27.2 |
27.4 |
27.2 |
| Gauteng |
Buccleugh |
µg/m³ |
62.8 |
61.7 |
61.1 |
61.4 |
61.8 |
62.1 |
62.6 |
62.8 |
62.1 |
61.5 |
60.9 |
60.1 |
59.4 |
58.5 |
58.2 |
57.6 |
56.8 |
55.6 |
54.8 |
54.2 |
54.4 |
54.7 |
54.4 |
54.1 |
53.6 |
| Gauteng |
Diepkloof |
µg/m³ |
36 |
35 |
36 |
35 |
35 |
34 |
34 |
34 |
33 |
32 |
32 |
32 |
29 |
29 |
30 |
31 |
30 |
29 |
29 |
29 |
30 |
30 |
29 |
29 |
29 |
| Gauteng |
Etwatwa |
µg/m³ |
101.8 |
101.8 |
101.3 |
100.8 |
98.1 |
95.7 |
91.2 |
87.4 |
85.4 |
76.8 |
73.9 |
73.8 |
73.5 |
73.2 |
72.8 |
72.6 |
72.8 |
72.8 |
72.7 |
73.9 |
74.8 |
73.3 |
72.0 |
72.0 |
71.4 |
| Gauteng |
Jabavu |
µg/m³ |
58.3 |
58.3 |
55.1 |
53.0 |
53.7 |
54.4 |
54.6 |
53.7 |
52.1 |
48.4 |
47.1 |
46.8 |
46.7 |
46.6 |
46.5 |
46.3 |
45.9 |
45.6 |
45.8 |
48.0 |
46.3 |
45.4 |
46.4 |
44.9 |
43.0 |
| Gauteng |
Kliprivier |
µg/m³ |
53.8 |
52.0 |
52.5 |
53.3 |
53.8 |
53.7 |
53.8 |
52.9 |
51.9 |
50.1 |
48.8 |
46.9 |
45.2 |
44.5 |
44.4 |
44.0 |
43.6 |
43.0 |
42.0 |
42.4 |
41.8 |
41.1 |
40.6 |
39.6 |
37.5 |
| Gauteng |
Olievenhoutbosch |
µg/m³ |
118.1 |
110.7 |
109.2 |
108.6 |
108.6 |
109.0 |
108.9 |
106.6 |
104.3 |
101.2 |
100.8 |
100.4 |
99.8 |
99.5 |
99.5 |
99.3 |
99.3 |
98.7 |
95.9 |
104.2 |
100.9 |
106.0 |
113.1 |
117.6 |
118.1 |
| Gauteng |
Olifantsfontein |
µg/m³ |
90.7 |
90.7 |
89.6 |
89.2 |
88.8 |
89.3 |
89.1 |
88.8 |
89.2 |
90.4 |
89.7 |
87.8 |
87.3 |
86.8 |
86.3 |
85.5 |
84.8 |
84.5 |
83.9 |
82.9 |
80.7 |
77.1 |
75.4 |
74.2 |
73.5 |
| Gauteng |
Rosslyn |
µg/m³ |
45.3 |
45.3 |
44.7 |
44.0 |
43.0 |
42.7 |
41.9 |
40.2 |
37.5 |
35.5 |
35.4 |
35.2 |
34.8 |
34.3 |
33.7 |
33.4 |
32.8 |
32.5 |
32.3 |
33.9 |
34.5 |
34.6 |
34.4 |
34.4 |
34.3 |
| Gauteng |
Sebokeng |
µg/m³ |
44.3 |
43.2 |
44.3 |
44.3 |
43.8 |
43.8 |
43.5 |
42.3 |
39.4 |
35.3 |
31.4 |
29.7 |
29.8 |
29.8 |
28.8 |
29.2 |
29.0 |
28.8 |
29.4 |
29.0 |
28.1 |
26.7 |
25.7 |
26.3 |
27.2 |
| Gauteng |
Sharpeville |
µg/m³ |
89.8 |
89.8 |
88.3 |
86.7 |
85.0 |
83.1 |
82.7 |
82.0 |
77.4 |
76.0 |
71.4 |
67.4 |
66.2 |
67.3 |
67.5 |
66.3 |
65.5 |
66.0 |
65.3 |
65.8 |
67.1 |
67.6 |
66.7 |
65.4 |
64.1 |
| Gauteng |
Vanderbijlpark |
µg/m³ |
69.8 |
69.8 |
67.0 |
62.6 |
59.5 |
57.2 |
54.3 |
49.9 |
45.0 |
41.4 |
38.6 |
37.1 |
36.7 |
36.4 |
36.0 |
35.8 |
35.6 |
35.2 |
34.7 |
35.2 |
34.9 |
34.4 |
33.9 |
33.2 |
31.7 |
| KwaZul |
Amanzimtoti |
µg/m³ |
66 |
61 |
61 |
62 |
63 |
65 |
66 |
66 |
63 |
60 |
58 |
57 |
56 |
55 |
53 |
51 |
49 |
47 |
46 |
45 |
44 |
45 |
44 |
44 |
43 |
| KwaZul |
Brackenham - RBCAA |
µg/m³ |
22 |
22 |
21 |
21 |
21 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
19 |
19 |
19 |
19 |
19 |
20 |
20 |
20 |
21 |
21 |
21 |
22 |
| KwaZul |
Ganges |
µg/m³ |
64.6 |
49.5 |
49.5 |
50.3 |
51.1 |
51.9 |
53.0 |
54.0 |
53.5 |
53.0 |
51.2 |
51.6 |
51.8 |
51.7 |
51.8 |
51.5 |
51.8 |
52.3 |
52.5 |
52.4 |
53.6 |
55.9 |
59.2 |
61.3 |
64.6 |
| KwaZul |
Hambanathi Tongaat |
µg/m³ |
156.9 |
94.7 |
99.4 |
102.1 |
104.0 |
108.0 |
112.3 |
116.5 |
119.9 |
136.2 |
153.5 |
155.1 |
155.9 |
155.8 |
155.2 |
156.8 |
156.9 |
153.7 |
133.3 |
117.3 |
111.4 |
106.6 |
106.6 |
108.2 |
109.6 |
| KwaZul |
New Germany |
µg/m³ |
27 |
27 |
27 |
27 |
27 |
27 |
27 |
26 |
26 |
25 |
24 |
23 |
22 |
21 |
21 |
21 |
20 |
19 |
17 |
15 |
13 |
12 |
11 |
10 |
9 |
| KwaZul |
Settlers |
µg/m³ |
38.0 |
33.2 |
33.8 |
34.5 |
35.2 |
35.6 |
36.0 |
36.4 |
36.7 |
36.1 |
35.7 |
35.7 |
35.7 |
35.6 |
35.7 |
35.9 |
36.2 |
36.4 |
36.5 |
37.1 |
37.5 |
37.4 |
37.3 |
37.0 |
38.0 |
| KwaZul |
Umkomaas |
µg/m³ |
39.4 |
39.2 |
39.3 |
39.4 |
39.2 |
38.4 |
38.5 |
38.2 |
38.2 |
38.3 |
38.3 |
38.2 |
38.2 |
37.7 |
36.0 |
33.9 |
34.2 |
33.9 |
35.4 |
35.0 |
34.9 |
35.6 |
34.5 |
34.6 |
34.6 |
| KwaZul |
Wentworth Reservior |
µg/m³ |
33.3 |
31.2 |
31.8 |
32.5 |
32.9 |
32.8 |
32.6 |
32.0 |
31.1 |
31.3 |
31.2 |
31.5 |
31.8 |
32.3 |
33.3 |
|
|
|
|
|
|
|
|
|
|
| Limpopo |
Capricorn |
µg/m³ |
41.8 |
41.1 |
41.6 |
41.8 |
41.6 |
41.1 |
40.3 |
39.7 |
38.3 |
33.4 |
32.7 |
33.1 |
32.6 |
31.1 |
30.8 |
30.9 |
30.1 |
28.8 |
27.2 |
24.7 |
18.6 |
16.4 |
16.4 |
16.7 |
17.9 |
| Limpopo |
Lephalale |
µg/m³ |
17.7 |
15.6 |
15.5 |
15.6 |
15.7 |
15.0 |
13.9 |
12.6 |
12.3 |
12.3 |
12.1 |
12.3 |
12.6 |
12.9 |
13.1 |
13.3 |
13.5 |
13.6 |
13.8 |
14.5 |
15.0 |
15.8 |
16.0 |
17.2 |
17.7 |
| Limpopo |
Mokopane |
µg/m³ |
20.2 |
20.2 |
19.9 |
19.7 |
19.5 |
19.4 |
19.1 |
18.8 |
18.6 |
18.9 |
19.1 |
19.1 |
19.2 |
19.1 |
19.1 |
19.1 |
19.2 |
17.4 |
15.4 |
14.8 |
14.6 |
15.3 |
15.6 |
16.0 |
16.3 |
| Limpopo |
Phalaborwa |
µg/m³ |
20.6 |
12.5 |
12.0 |
11.4 |
10.9 |
10.6 |
10.2 |
9.6 |
8.9 |
8.8 |
9.3 |
9.7 |
10.0 |
10.5 |
10.9 |
11.4 |
11.8 |
12.1 |
12.7 |
13.9 |
15.9 |
17.6 |
18.9 |
19.6 |
20.6 |
| Limpopo |
Steelpoort |
µg/m³ |
8.8 |
8.8 |
8.8 |
8.8 |
8.8 |
8.8 |
8.8 |
8.8 |
8.5 |
8.4 |
8.3 |
8.5 |
8.5 |
8.3 |
8.2 |
8.2 |
8.2 |
8.2 |
8.2 |
7.7 |
7.6 |
7.2 |
7.3 |
7.5 |
7.7 |
| Limpopo |
Thabazimbi |
µg/m³ |
17.1 |
16.5 |
16.8 |
16.9 |
17.0 |
17.1 |
16.6 |
17.1 |
15.2 |
15.1 |
15.3 |
15.3 |
15.1 |
15.2 |
15.0 |
15.4 |
15.4 |
15.1 |
15.6 |
14.5 |
14.4 |
14.5 |
14.7 |
14.8 |
15.0 |
| Mpumalanga |
Bosjesspruit |
µg/m³ |
18.5 |
11.2 |
12 |
12.8 |
13.6 |
14.7 |
15.7 |
16.6 |
17.2 |
17.8 |
18.4 |
18.4 |
18.1 |
17.0 |
15.9 |
16.2 |
16.3 |
16.6 |
16.4 |
16.0 |
16.5 |
17.9 |
18.3 |
18.1 |
18.5 |
| Mpumalanga |
Club |
µg/m³ |
38.5 |
36.7 |
37.0 |
37.5 |
38.1 |
38.5 |
38.4 |
38.5 |
37.8 |
36.8 |
36.3 |
35.8 |
35.5 |
35.1 |
34.9 |
34.1 |
33.8 |
33.4 |
32.8 |
32.6 |
32.2 |
31.1 |
29.4 |
28.4 |
27.5 |
| Mpumalanga |
eMalahleni - SAWS |
µg/m³ |
62.3 |
60.9 |
60.9 |
61.8 |
62.3 |
61.0 |
57.9 |
53.5 |
48.2 |
44.7 |
40.4 |
38.1 |
37.1 |
35.7 |
34.3 |
33.2 |
33.0 |
33.3 |
33.7 |
36.4 |
39.7 |
41.6 |
42.2 |
45.1 |
44.4 |
| Mpumalanga |
Embalenhle |
µg/m³ |
34.7 |
32.5 |
33.5 |
33.9 |
34.2 |
34.7 |
34.6 |
33.7 |
33.5 |
33.4 |
32.3 |
32.0 |
32.0 |
31.7 |
31.4 |
31.2 |
31.2 |
30.9 |
30.7 |
32.0 |
32.0 |
32.4 |
31.9 |
30.7 |
30.3 |
| Mpumalanga |
eMbalenhle North |
µg/m³ |
96.9 |
92.9 |
93.2 |
94.0 |
95.3 |
96.4 |
96.9 |
95.4 |
92.8 |
83.7 |
78.0 |
80.4 |
82.1 |
82.4 |
82.7 |
82.5 |
82.8 |
82.0 |
79.9 |
77.7 |
75.7 |
70.5 |
65.0 |
59.1 |
56.5 |
| Mpumalanga |
eMbalenhle South |
µg/m³ |
74.7 |
66.8 |
67.8 |
69.3 |
70.1 |
71.2 |
74.4 |
74.7 |
70.6 |
66.0 |
62.6 |
61.6 |
60.8 |
59.4 |
58.1 |
57.8 |
57.5 |
57.1 |
55.3 |
51.1 |
48.6 |
47.8 |
43.8 |
41.0 |
40.7 |
| Mpumalanga |
Ermelo |
µg/m³ |
83.4 |
79.1 |
80.0 |
81.0 |
82.9 |
83.4 |
82.0 |
79.3 |
79.4 |
77.4 |
76.0 |
74.5 |
73.9 |
73.6 |
73.1 |
72.3 |
71.4 |
69.9 |
59.7 |
52.8 |
52.4 |
52.2 |
50.9 |
49.4 |
49.2 |
| Mpumalanga |
Hendrina - SAWS |
µg/m³ |
28.4 |
24.6 |
25.3 |
25.8 |
26.0 |
26.0 |
26.2 |
26.5 |
26.0 |
26.1 |
25.9 |
26.3 |
27.0 |
27.5 |
28.4 |
|
|
|
|
|
|
|
|
|
|
| Mpumalanga |
Lebohang |
µg/m³ |
192.7 |
159.3 |
159.1 |
167.9 |
163.5 |
159.3 |
175.1 |
189.6 |
192.6 |
192.7 |
184.7 |
166.8 |
173.6 |
166.9 |
146.1 |
127.8 |
127.6 |
129.4 |
124.7 |
123.5 |
120.3 |
112.8 |
106.3 |
99.9 |
98.0 |
| Mpumalanga |
Middelburg - SAWS |
µg/m³ |
35.7 |
31.6 |
32.3 |
32.5 |
32.4 |
32.7 |
33.3 |
33.8 |
34.1 |
34.9 |
35.7 |
35.2 |
34.8 |
34.8 |
34.7 |
34.5 |
34.2 |
34.1 |
34.0 |
34.4 |
35.0 |
33.8 |
33.3 |
33.7 |
33.8 |
| Mpumalanga |
Middelburg MP |
µg/m³ |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
| Mpumalanga |
Secunda |
µg/m³ |
31.5 |
29.9 |
29.8 |
30.2 |
30.5 |
31.0 |
31.5 |
30.4 |
28.7 |
27.7 |
25.9 |
25.8 |
26.4 |
26.7 |
26.5 |
26.5 |
26.5 |
26.2 |
26.1 |
|
|
|
|
|
|
| Mpumalanga |
Standerton - MP Province |
µg/m³ |
60.6 |
57.9 |
59.1 |
59.8 |
59.5 |
59.7 |
59.2 |
58.8 |
59.2 |
59.6 |
60.6 |
60.6 |
60.0 |
60.2 |
60.2 |
60.3 |
60.3 |
60.3 |
60.0 |
56.3 |
51.7 |
47.4 |
42.9 |
42.8 |
42.0 |
| North West |
Mafikeng |
µg/m³ |
28.6 |
26.0 |
25.3 |
26.0 |
26.6 |
27.0 |
27.8 |
28.2 |
28.4 |
28.6 |
28.5 |
28.4 |
28.4 |
28.3 |
28.2 |
28.1 |
27.9 |
27.6 |
27.0 |
25.9 |
25.1 |
24.2 |
26.9 |
26.3 |
25.2 |
| North West |
Welgegund |
µg/m³ |
15.0 |
13.7 |
14.0 |
14.4 |
14.7 |
14.7 |
15.0 |
15.0 |
15.0 |
14.8 |
14.8 |
14.7 |
14.7 |
14.6 |
14.5 |
14.4 |
14.4 |
14.3 |
14.2 |
14.2 |
14.2 |
14.1 |
13.8 |
13.6 |
13.5 |
| North West |
Xanadu |
µg/m³ |
34.5 |
34.3 |
34.4 |
34.4 |
34.5 |
34.1 |
33.7 |
33.2 |
32.7 |
32.7 |
32.7 |
32.4 |
32.0 |
31.8 |
31.3 |
30.9 |
30.6 |
30.4 |
30.4 |
30.2 |
30.1 |
29.7 |
28.8 |
28.1 |
27.4 |
| Northern Cape |
Karoo |
µg/m³ |
2.2 |
2.2 |
2.2 |
2.2 |
2.1 |
2.1 |
2.1 |
2.1 |
2.1 |
2.1 |
2.1 |
2.1 |
2.1 |
2.0 |
2.0 |
2.0 |
2.0 |
1.9 |
1.9 |
1.9 |
1.8 |
1.7 |
1.6 |
1.6 |
1.5 |
| Western Cape |
Cape Point |
µg/m³ |
1.9 |
1.7 |
1.8 |
1.9 |
1.9 |
1.9 |
1.9 |
1.9 |
1.9 |
1.8 |
1.7 |
1.6 |
1.4 |
1.5 |
1.3 |
1.3 |
1.3 |
1.2 |
1.2 |
1.1 |
1.0 |
1.0 |
0.9 |
0.9 |
1.0 |
| Western Cape |
Foreshore |
µg/m³ |
10.2 |
10.2 |
9.6 |
9.2 |
9.0 |
8.8 |
8.8 |
8.7 |
8.4 |
8.1 |
7.9 |
8.1 |
8.3 |
8.4 |
8.6 |
8.9 |
9.1 |
9.1 |
9.3 |
9.4 |
9.2 |
9.1 |
9.0 |
8.9 |
8.7 |
| Western Cape |
George |
µg/m³ |
14.3 |
14.2 |
14.2 |
14.2 |
14.3 |
14.1 |
13.9 |
13.6 |
13.2 |
13.1 |
13.1 |
13.1 |
13.0 |
12.9 |
13.0 |
12.9 |
12.9 |
13.0 |
12.9 |
12.7 |
11.9 |
10.2 |
7.7 |
6.7 |
6.0 |
| Western Cape |
Khayelitsha - CT Metro |
µg/m³ |
15.9 |
15.9 |
14.8 |
13.7 |
12.7 |
11.9 |
10.8 |
10.1 |
9.1 |
8.6 |
8.1 |
7.7 |
7.5 |
7.3 |
7.2 |
7.1 |
7.1 |
7.1 |
7.2 |
7.3 |
7.2 |
7.1 |
7.1 |
7.1 |
7.1 |
| Western Cape |
Maitland |
µg/m³ |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
| Western Cape |
Table View |
µg/m³ |
6.5 |
6.5 |
6.5 |
6.3 |
6.1 |
6.0 |
5.7 |
5.6 |
5.4 |
5.2 |
4.9 |
4.5 |
4.3 |
4.2 |
4.1 |
4.1 |
4.1 |
4.1 |
4.0 |
4.1 |
4.0 |
3.9 |
3.9 |
3.9 |
3.9 |
| Western Cape |
Worcester |
µg/m³ |
8.2 |
8.2 |
8.0 |
7.9 |
7.6 |
7.4 |
7.2 |
6.9 |
6.5 |
5.9 |
5.5 |
5.3 |
5.3 |
5.2 |
5.1 |
5.0 |
4.9 |
4.8 |
4.6 |
4.0 |
3.3 |
3.1 |
3.0 |
2.9 |
2.9 |
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