Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
156
*
PM2.5
232
PM10
24
O3
1.1
CO
8
SO2
83
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
17 Jan
116
Light
Sun
18 Jan
67
Good
Mon
19 Jan
48
Excellent
Tue
20 Jan
44
Excellent
Wed
21 Jan
49
Excellent
Thu
22 Jan
42
Excellent
Fri
23 Jan
35
Excellent
Qiantang Air quality rank
Air quality in the last 12 months (Qiantang)
|
2025/11
|
69
|
74
|
29
|
36
|
45
|
47
|
40
|
31
|
21
|
41
|
29
|
36
|
42
|
87
|
59
|
61
|
44
|
34
|
41
|
56
|
72
|
98
|
95
|
81
|
98
|
88
|
148
|
157
|
96
|
77
|
|
|
2025/10
|
31
|
27
|
40
|
38
|
34
|
42
|
56
|
24
|
19
|
29
|
49
|
73
|
55
|
28
|
39
|
25
|
23
|
23
|
26
|
29
|
30
|
31
|
32
|
37
|
40
|
42
|
49
|
25
|
33
|
37
|
22
|
|
2025/09
|
32
|
26
|
24
|
39
|
39
|
36
|
43
|
34
|
24
|
19
|
31
|
36
|
34
|
16
|
30
|
28
|
31
|
21
|
23
|
23
|
24
|
23
|
24
|
20
|
24
|
33
|
42
|
45
|
42
|
29
|
|
|
2025/08
|
29
|
37
|
29
|
35
|
27
|
17
|
17
|
22
|
25
|
30
|
34
|
34
|
22
|
17
|
17
|
19
|
23
|
21
|
24
|
32
|
36
|
28
|
25
|
32
|
35
|
35
|
31
|
19
|
23
|
22
|
32
|
|
2025/07
|
17
|
22
|
32
|
34
|
31
|
21
|
19
|
17
|
18
|
27
|
19
|
16
|
23
|
36
|
39
|
38
|
33
|
28
|
17
|
18
|
16
|
15
|
23
|
23
|
22
|
15
|
15
|
17
|
24
|
10
|
10
|
|
2025/06
|
18
|
15
|
29
|
44
|
39
|
35
|
57
|
34
|
24
|
22
|
18
|
21
|
19
|
22
|
10
|
18
|
46
|
43
|
29
|
22
|
24
|
20
|
19
|
25
|
45
|
36
|
25
|
21
|
21
|
22
|
|
|
2025/05
|
52
|
57
|
60
|
38
|
50
|
82
|
83
|
60
|
20
|
34
|
33
|
49
|
41
|
45
|
104
|
85
|
43
|
71
|
46
|
29
|
18
|
39
|
21
|
46
|
59
|
46
|
40
|
32
|
30
|
52
|
46
|
|
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
|
|
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