Air Quality
Excellent
No health implications.
18
PM2.5
33
PM10
41
O3
0.7
CO
8
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Mar
52
Good
Fri
14 Mar
45
Excellent
Sat
15 Mar
41
Excellent
Sun
16 Mar
48
Excellent
Mon
17 Mar
61
Good
Tue
18 Mar
28
Excellent
Wed
19 Mar
49
Excellent
Air quality in the last 12 months (Zhangshu)
|
2025/01
|
125
|
95
|
124
|
127
|
138
|
108
|
70
|
62
|
59
|
40
|
54
|
65
|
75
|
64
|
73
|
56
|
59
|
67
|
71
|
84
|
89
|
76
|
74
|
127
|
48
|
26
|
55
|
80
|
149
|
77
|
58
|
|
2024/12
|
53
|
62
|
65
|
101
|
63
|
49
|
53
|
89
|
60
|
71
|
35
|
83
|
76
|
60
|
60
|
62
|
69
|
76
|
66
|
72
|
84
|
77
|
67
|
87
|
98
|
95
|
117
|
89
|
81
|
94
|
93
|
|
2024/11
|
37
|
48
|
52
|
61
|
62
|
51
|
48
|
50
|
56
|
57
|
52
|
50
|
56
|
55
|
26
|
46
|
42
|
28
|
38
|
50
|
43
|
36
|
61
|
61
|
42
|
37
|
43
|
47
|
48
|
53
|
|
|
2024/10
|
44
|
46
|
36
|
33
|
41
|
43
|
37
|
22
|
36
|
51
|
61
|
58
|
68
|
85
|
62
|
29
|
39
|
51
|
35
|
32
|
45
|
43
|
38
|
47
|
58
|
51
|
29
|
37
|
63
|
56
|
46
|
|
2024/09
|
46
|
50
|
52
|
49
|
44
|
37
|
32
|
39
|
34
|
36
|
40
|
24
|
33
|
39
|
40
|
34
|
35
|
38
|
38
|
30
|
34
|
38
|
34
|
37
|
42
|
48
|
53
|
35
|
36
|
36
|
|
|
2024/08
|
21
|
24
|
31
|
39
|
34
|
33
|
35
|
34
|
33
|
39
|
37
|
28
|
26
|
28
|
33
|
39
|
37
|
24
|
26
|
34
|
33
|
26
|
32
|
41
|
41
|
39
|
41
|
22
|
26
|
40
|
47
|
|
2024/07
|
23
|
22
|
24
|
25
|
23
|
24
|
24
|
21
|
29
|
33
|
36
|
33
|
28
|
25
|
32
|
30
|
21
|
21
|
21
|
22
|
27
|
28
|
32
|
42
|
37
|
26
|
18
|
15
|
16
|
19
|
20
|
|
2024/06
|
23
|
27
|
25
|
34
|
30
|
32
|
36
|
39
|
34
|
29
|
21
|
25
|
28
|
23
|
21
|
26
|
22
|
27
|
34
|
32
|
29
|
28
|
35
|
28
|
17
|
17
|
29
|
36
|
24
|
26
|
|
|
2024/05
|
23
|
37
|
44
|
25
|
22
|
38
|
48
|
50
|
55
|
51
|
49
|
60
|
70
|
53
|
57
|
60
|
54
|
52
|
46
|
37
|
29
|
28
|
38
|
28
|
25
|
27
|
27
|
27
|
37
|
43
|
24
|
|
2024/04
|
40
|
31
|
30
|
41
|
44
|
44
|
46
|
49
|
38
|
42
|
49
|
47
|
48
|
50
|
57
|
42
|
24
|
28
|
26
|
24
|
34
|
35
|
38
|
56
|
46
|
48
|
44
|
33
|
33
|
18
|
|
|
2024/03
|
39
|
47
|
30
|
43
|
29
|
49
|
62
|
59
|
58
|
61
|
59
|
50
|
62
|
51
|
48
|
34
|
39
|
39
|
43
|
72
|
68
|
56
|
38
|
38
|
30
|
30
|
41
|
31
|
39
|
48
|
27
|
|
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
|
||
|
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