Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
45
O3
0.6
CO
14
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
41
Excellent
Wed
22 May
45
Excellent
Thu
23 May
53
Good
Fri
24 May
74
Good
Sat
25 May
61
Good
Sun
26 May
66
Good
Mon
27 May
65
Good
Air quality in the last 12 months (Zhangshu)
|
2024/02
|
29
|
16
|
15
|
19
|
58
|
34
|
60
|
70
|
89
|
156
|
96
|
76
|
58
|
54
|
39
|
24
|
32
|
33
|
31
|
32
|
18
|
18
|
32
|
36
|
51
|
62
|
74
|
38
|
43
|
||
|
2024/01
|
84
|
105
|
54
|
57
|
58
|
51
|
89
|
109
|
75
|
62
|
60
|
57
|
59
|
61
|
164
|
85
|
80
|
63
|
19
|
19
|
52
|
42
|
33
|
37
|
46
|
55
|
59
|
58
|
57
|
47
|
50
|
|
2023/12
|
49
|
49
|
55
|
56
|
48
|
58
|
51
|
51
|
48
|
54
|
36
|
23
|
37
|
45
|
24
|
40
|
43
|
34
|
43
|
48
|
77
|
50
|
48
|
53
|
62
|
65
|
69
|
84
|
143
|
140
|
121
|
|
2023/11
|
53
|
46
|
53
|
58
|
67
|
25
|
37
|
28
|
26
|
32
|
25
|
22
|
50
|
53
|
53
|
46
|
74
|
64
|
62
|
58
|
53
|
53
|
57
|
66
|
56
|
61
|
61
|
65
|
62
|
65
|
|
|
2023/10
|
30
|
33
|
48
|
32
|
37
|
36
|
23
|
20
|
26
|
35
|
41
|
52
|
49
|
53
|
54
|
52
|
53
|
56
|
46
|
27
|
36
|
40
|
49
|
52
|
70
|
53
|
62
|
50
|
45
|
54
|
61
|
|
2023/09
|
32
|
35
|
39
|
35
|
34
|
31
|
30
|
33
|
36
|
43
|
28
|
26
|
22
|
18
|
25
|
28
|
32
|
33
|
33
|
28
|
28
|
30
|
36
|
45
|
39
|
43
|
48
|
45
|
55
|
53
|
|
|
2023/08
|
22
|
33
|
33
|
34
|
44
|
39
|
36
|
29
|
24
|
35
|
41
|
29
|
25
|
29
|
37
|
36
|
39
|
45
|
43
|
39
|
34
|
21
|
31
|
43
|
45
|
36
|
24
|
17
|
25
|
30
|
27
|
|
2023/07
|
25
|
25
|
17
|
21
|
21
|
22
|
26
|
25
|
29
|
28
|
29
|
32
|
35
|
34
|
32
|
39
|
33
|
25
|
19
|
20
|
20
|
18
|
16
|
25
|
23
|
28
|
26
|
17
|
20
|
23
|
24
|
|
2023/06
|
36
|
42
|
56
|
59
|
44
|
42
|
35
|
22
|
31
|
30
|
42
|
58
|
40
|
44
|
51
|
34
|
25
|
17
|
19
|
23
|
22
|
30
|
26
|
19
|
15
|
17
|
21
|
18
|
20
|
20
|
|
|
2023/05
|
69
|
59
|
31
|
28
|
27
|
22
|
33
|
37
|
40
|
46
|
40
|
39
|
50
|
56
|
49
|
47
|
31
|
34
|
50
|
53
|
29
|
38
|
58
|
49
|
42
|
37
|
34
|
34
|
41
|
43
|
32
|
|
2023/04
|
44
|
49
|
34
|
29
|
26
|
23
|
37
|
51
|
55
|
58
|
53
|
47
|
35
|
37
|
48
|
58
|
59
|
35
|
26
|
44
|
42
|
39
|
18
|
14
|
21
|
27
|
34
|
36
|
73
|
79
|
|
|
2023/03
|
62
|
84
|
82
|
89
|
68
|
56
|
61
|
71
|
72
|
58
|
58
|
79
|
68
|
57
|
56
|
74
|
36
|
26
|
17
|
26
|
35
|
23
|
26
|
34
|
48
|
33
|
55
|
57
|
53
|
48
|
48
|
|
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