Air Quality
Excellent
No health implications.
11
PM2.5
21
PM10
68
O3
0.3
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
36
Excellent
Fri
26 Apr
45
Excellent
Sat
27 Apr
54
Good
Sun
28 Apr
50
Excellent
Mon
29 Apr
57
Good
Tue
30 Apr
50
Excellent
Wed
1 May
51
Good
Air quality in the last 12 months (Nanhai)
|
2024/02
|
38
|
25
|
26
|
23
|
18
|
20
|
12
|
10
|
22
|
58
|
72
|
82
|
54
|
49
|
43
|
36
|
32
|
32
|
35
|
26
|
36
|
28
|
22
|
23
|
22
|
28
|
22
|
47
|
24
|
||
|
2024/01
|
74
|
68
|
37
|
44
|
78
|
86
|
66
|
60
|
56
|
31
|
45
|
66
|
92
|
65
|
82
|
57
|
56
|
48
|
50
|
35
|
27
|
21
|
25
|
31
|
43
|
46
|
42
|
35
|
51
|
71
|
63
|
|
2023/12
|
49
|
50
|
51
|
45
|
35
|
39
|
44
|
85
|
71
|
52
|
55
|
52
|
43
|
69
|
76
|
24
|
29
|
38
|
18
|
26
|
29
|
57
|
44
|
43
|
44
|
68
|
84
|
82
|
84
|
66
|
80
|
|
2023/11
|
66
|
68
|
60
|
55
|
38
|
44
|
44
|
57
|
47
|
52
|
23
|
18
|
19
|
24
|
35
|
29
|
49
|
58
|
58
|
71
|
81
|
70
|
106
|
67
|
76
|
63
|
71
|
52
|
73
|
52
|
|
|
2023/10
|
44
|
26
|
48
|
48
|
33
|
34
|
20
|
16
|
13
|
14
|
21
|
39
|
34
|
46
|
48
|
47
|
49
|
40
|
44
|
25
|
19
|
26
|
42
|
52
|
87
|
58
|
57
|
49
|
41
|
44
|
45
|
|
2023/09
|
22
|
17
|
24
|
33
|
33
|
32
|
12
|
16
|
22
|
14
|
19
|
24
|
25
|
21
|
17
|
24
|
27
|
23
|
29
|
30
|
43
|
41
|
56
|
33
|
30
|
39
|
40
|
43
|
39
|
30
|
|
|
2023/08
|
26
|
32
|
49
|
23
|
22
|
25
|
24
|
21
|
27
|
32
|
41
|
24
|
25
|
27
|
27
|
33
|
35
|
46
|
47
|
29
|
22
|
24
|
24
|
22
|
28
|
36
|
25
|
24
|
20
|
23
|
24
|
|
2023/07
|
21
|
21
|
17
|
22
|
26
|
19
|
20
|
26
|
18
|
21
|
20
|
21
|
27
|
38
|
61
|
28
|
16
|
19
|
25
|
22
|
29
|
28
|
28
|
27
|
27
|
49
|
30
|
26
|
34
|
18
|
29
|
|
2023/06
|
43
|
59
|
46
|
24
|
28
|
25
|
22
|
22
|
25
|
32
|
33
|
41
|
41
|
30
|
37
|
25
|
16
|
25
|
22
|
26
|
23
|
22
|
20
|
25
|
21
|
34
|
38
|
23
|
28
|
27
|
|
|
2023/05
|
48
|
44
|
35
|
31
|
29
|
30
|
22
|
33
|
50
|
49
|
46
|
25
|
42
|
50
|
63
|
44
|
32
|
47
|
44
|
46
|
33
|
33
|
32
|
35
|
47
|
28
|
30
|
37
|
49
|
56
|
52
|
|
2023/04
|
37
|
43
|
34
|
35
|
31
|
32
|
27
|
64
|
58
|
58
|
50
|
50
|
48
|
55
|
52
|
73
|
52
|
45
|
35
|
66
|
23
|
37
|
40
|
31
|
22
|
30
|
47
|
39
|
29
|
40
|
|
|
2023/03
|
83
|
66
|
80
|
71
|
87
|
62
|
58
|
52
|
64
|
68
|
54
|
54
|
84
|
84
|
62
|
67
|
58
|
74
|
34
|
40
|
39
|
42
|
40
|
31
|
39
|
15
|
17
|
25
|
19
|
20
|
20
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution