Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
108
O3
0.4
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
41
Excellent
Mon
2 Jun
62
Good
Tue
3 Jun
86
Good
Wed
4 Jun
117
Light
Thu
5 Jun
107
Light
Fri
6 Jun
105
Light
Sat
7 Jun
22
Excellent
Air quality in the last 12 months (Qiantang)
|
2025/04
|
48
|
61
|
66
|
62
|
73
|
106
|
69
|
60
|
72
|
70
|
78
|
158
|
91
|
89
|
55
|
56
|
60
|
70
|
78
|
82
|
59
|
33
|
45
|
58
|
48
|
52
|
38
|
55
|
49
|
54
|
|
|
2025/03
|
54
|
58
|
33
|
26
|
43
|
44
|
67
|
79
|
53
|
77
|
82
|
52
|
36
|
48
|
27
|
55
|
35
|
55
|
62
|
65
|
50
|
60
|
62
|
65
|
69
|
76
|
70
|
61
|
63
|
60
|
37
|
|
2025/02
|
32
|
60
|
84
|
62
|
45
|
62
|
62
|
35
|
43
|
61
|
64
|
104
|
96
|
68
|
103
|
61
|
81
|
43
|
64
|
47
|
30
|
60
|
100
|
88
|
116
|
106
|
97
|
69
|
|||
|
2025/01
|
88
|
81
|
73
|
73
|
111
|
97
|
86
|
84
|
47
|
53
|
66
|
73
|
92
|
99
|
57
|
58
|
76
|
94
|
93
|
119
|
164
|
122
|
56
|
38
|
33
|
47
|
43
|
43
|
93
|
69
|
60
|
|
2024/12
|
63
|
68
|
109
|
47
|
52
|
104
|
183
|
37
|
55
|
46
|
36
|
91
|
91
|
99
|
62
|
63
|
68
|
92
|
43
|
60
|
88
|
64
|
66
|
59
|
95
|
151
|
60
|
64
|
71
|
87
|
86
|
|
2024/11
|
9
|
44
|
73
|
83
|
38
|
38
|
36
|
42
|
39
|
48
|
58
|
51
|
50
|
43
|
37
|
32
|
22
|
30
|
39
|
48
|
57
|
94
|
36
|
33
|
38
|
37
|
54
|
63
|
50
|
63
|
|
|
2024/10
|
24
|
30
|
28
|
28
|
26
|
14
|
13
|
33
|
47
|
60
|
76
|
56
|
32
|
52
|
48
|
38
|
28
|
39
|
25
|
49
|
52
|
38
|
53
|
36
|
31
|
26
|
18
|
55
|
50
|
46
|
32
|
|
2024/09
|
51
|
54
|
33
|
33
|
27
|
38
|
51
|
31
|
26
|
39
|
18
|
33
|
20
|
22
|
26
|
20
|
19
|
24
|
23
|
19
|
21
|
33
|
34
|
35
|
55
|
44
|
27
|
39
|
36
|
30
|
|
|
2024/08
|
27
|
29
|
48
|
45
|
49
|
46
|
52
|
52
|
51
|
52
|
46
|
38
|
31
|
32
|
33
|
44
|
34
|
35
|
20
|
24
|
21
|
29
|
49
|
44
|
43
|
49
|
54
|
40
|
26
|
29
|
40
|
|
2024/07
|
43
|
34
|
28
|
30
|
32
|
37
|
32
|
35
|
31
|
35
|
41
|
36
|
42
|
39
|
44
|
32
|
33
|
33
|
35
|
33
|
40
|
31
|
29
|
26
|
34
|
23
|
15
|
17
|
19
|
18
|
26
|
|
2024/06
|
24
|
27
|
40
|
55
|
44
|
21
|
29
|
38
|
40
|
24
|
23
|
29
|
41
|
63
|
48
|
40
|
23
|
29
|
19
|
15
|
31
|
32
|
19
|
21
|
20
|
19
|
13
|
18
|
30
|
38
|
|
|
2024/05
|
39
|
45
|
38
|
37
|
31
|
29
|
66
|
57
|
38
|
51
|
51
|
54
|
75
|
66
|
63
|
43
|
51
|
52
|
48
|
47
|
36
|
45
|
51
|
43
|
31
|
27
|
27
|
26
|
32
|
42
|
28
|
|
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