Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
20
PM2.5
49
PM10
171
O3
0.4
CO
10
SO2
14
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
2 May
125
Light
Sat
3 May
124
Light
Sun
4 May
97
Good
Mon
5 May
56
Good
Tue
6 May
91
Good
Wed
7 May
97
Good
Thu
8 May
50
Excellent
Air quality in the last 12 months (Qiantang)
|
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
|
|
2024/04
|
73
|
20
|
23
|
45
|
54
|
46
|
42
|
27
|
55
|
70
|
63
|
67
|
38
|
21
|
55
|
73
|
22
|
52
|
63
|
48
|
46
|
27
|
31
|
50
|
52
|
54
|
40
|
33
|
32
|
27
|
|
|
2024/03
|
50
|
65
|
69
|
53
|
36
|
59
|
103
|
84
|
91
|
86
|
67
|
80
|
65
|
85
|
75
|
62
|
77
|
78
|
70
|
103
|
86
|
59
|
71
|
81
|
42
|
33
|
55
|
38
|
39
|
57
|
95
|
|
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