Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
20
O3
0.4
CO
4
SO2
36
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
44
Excellent
Mon
19 May
43
Excellent
Tue
20 May
52
Good
Wed
21 May
58
Good
Thu
22 May
57
Good
Fri
23 May
20
Excellent
Sat
24 May
19
Excellent
Air quality in the last 12 months (Haizhu)
|
2025/02
|
45
|
47
|
9
|
26
|
42
|
46
|
22
|
51
|
33
|
52
|
52
|
53
|
40
|
54
|
44
|
62
|
42
|
53
|
50
|
45
|
34
|
35
|
18
|
31
|
50
|
49
|
58
|
38
|
|||
|
2025/01
|
77
|
80
|
57
|
65
|
86
|
82
|
89
|
77
|
64
|
43
|
35
|
42
|
68
|
75
|
56
|
57
|
53
|
67
|
67
|
69
|
85
|
58
|
58
|
41
|
29
|
18
|
25
|
37
|
57
|
54
|
36
|
|
2024/12
|
71
|
84
|
80
|
70
|
60
|
65
|
44
|
31
|
58
|
59
|
57
|
29
|
41
|
58
|
44
|
43
|
58
|
42
|
59
|
63
|
49
|
60
|
72
|
70
|
61
|
65
|
72
|
67
|
85
|
108
|
78
|
|
2024/11
|
41
|
32
|
45
|
48
|
35
|
54
|
38
|
39
|
46
|
52
|
49
|
42
|
34
|
23
|
19
|
13
|
25
|
21
|
17
|
20
|
24
|
28
|
32
|
45
|
28
|
19
|
31
|
35
|
36
|
46
|
|
|
2024/10
|
33
|
29
|
40
|
36
|
39
|
42
|
45
|
71
|
50
|
30
|
42
|
58
|
54
|
41
|
54
|
41
|
36
|
47
|
47
|
34
|
30
|
26
|
25
|
35
|
41
|
42
|
28
|
17
|
23
|
37
|
37
|
|
2024/09
|
29
|
35
|
34
|
38
|
24
|
13
|
19
|
21
|
23
|
28
|
50
|
48
|
43
|
39
|
21
|
28
|
33
|
19
|
35
|
28
|
18
|
19
|
19
|
21
|
41
|
50
|
44
|
48
|
34
|
36
|
|
|
2024/08
|
26
|
32
|
29
|
39
|
44
|
46
|
46
|
34
|
30
|
27
|
24
|
27
|
32
|
30
|
21
|
20
|
18
|
23
|
28
|
32
|
22
|
27
|
41
|
45
|
27
|
38
|
36
|
49
|
26
|
32
|
24
|
|
2024/07
|
25
|
26
|
17
|
18
|
25
|
17
|
14
|
20
|
21
|
19
|
16
|
17
|
15
|
26
|
20
|
20
|
18
|
20
|
24
|
28
|
21
|
22
|
20
|
27
|
38
|
37
|
21
|
15
|
17
|
16
|
17
|
|
2024/06
|
15
|
25
|
31
|
31
|
39
|
18
|
27
|
27
|
21
|
22
|
21
|
29
|
32
|
28
|
24
|
25
|
27
|
24
|
29
|
23
|
22
|
34
|
13
|
16
|
18
|
23
|
23
|
21
|
20
|
22
|
|
|
2024/05
|
22
|
26
|
47
|
29
|
32
|
47
|
41
|
30
|
45
|
46
|
41
|
35
|
34
|
46
|
50
|
52
|
57
|
44
|
35
|
16
|
13
|
30
|
38
|
23
|
26
|
23
|
23
|
22
|
30
|
42
|
20
|
|
2024/04
|
44
|
53
|
34
|
34
|
27
|
33
|
23
|
26
|
27
|
41
|
51
|
54
|
51
|
37
|
40
|
38
|
35
|
39
|
32
|
23
|
19
|
34
|
32
|
42
|
23
|
31
|
40
|
28
|
30
|
26
|
|
|
2024/03
|
22
|
27
|
48
|
49
|
35
|
39
|
33
|
40
|
48
|
20
|
26
|
39
|
66
|
66
|
62
|
67
|
57
|
48
|
23
|
68
|
57
|
57
|
49
|
44
|
41
|
49
|
40
|
47
|
57
|
42
|
42
|
|
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