Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
Mon
2 Jun
Tue
3 Jun
Wed
4 Jun
Thu
5 Jun
Fri
6 Jun
Sat
7 Jun
Real-time AQI (Monitoring Station in Hangzhou)
西溪
2510
PM2.5
10
PM10
77
O3
0.4
CO
4
SO2
8
NO2
下沙
323
PM2.5
10
PM10
101
O3
0.4
CO
6
SO2
14
NO2
卧龙桥
233
PM2.5
8
PM10
72
O3
0.4
CO
7
SO2
8
NO2
城厢镇
253
PM2.5
8
PM10
77
O3
0.5
CO
6
SO2
19
NO2
云栖
193
PM2.5
8
PM10
58
O3
0.5
CO
6
SO2
19
NO2
市府大楼
337
PM2.5
10
PM10
103
O3
0.5
CO
7
SO2
11
NO2
消防大队
253
PM2.5
18
PM10
79
O3
0.6
CO
5
SO2
14
NO2
Air quality in the last 12 months (Hangzhou)
|
2025/04
|
51
|
55
|
68
|
62
|
64
|
73
|
66
|
60
|
66
|
60
|
64
|
140
|
79
|
87
|
52
|
50
|
57
|
62
|
73
|
76
|
51
|
30
|
47
|
54
|
45
|
56
|
35
|
49
|
51
|
54
|
|
|
2025/03
|
48
|
49
|
27
|
21
|
40
|
46
|
69
|
69
|
63
|
75
|
71
|
49
|
32
|
42
|
21
|
48
|
33
|
46
|
56
|
59
|
42
|
50
|
53
|
58
|
60
|
68
|
63
|
58
|
55
|
58
|
37
|
|
2025/02
|
27
|
51
|
83
|
57
|
39
|
65
|
58
|
31
|
38
|
57
|
86
|
97
|
109
|
73
|
88
|
46
|
69
|
43
|
61
|
46
|
31
|
56
|
91
|
85
|
102
|
91
|
89
|
48
|
|||
|
2025/01
|
92
|
86
|
78
|
86
|
106
|
84
|
78
|
81
|
47
|
45
|
62
|
68
|
83
|
85
|
54
|
50
|
66
|
87
|
80
|
109
|
147
|
139
|
79
|
46
|
35
|
41
|
38
|
43
|
148
|
72
|
64
|
|
2024/12
|
56
|
58
|
103
|
56
|
54
|
83
|
141
|
37
|
55
|
45
|
27
|
78
|
83
|
88
|
57
|
54
|
57
|
81
|
39
|
53
|
82
|
62
|
70
|
63
|
91
|
140
|
66
|
60
|
68
|
82
|
78
|
|
2024/11
|
9
|
33
|
57
|
73
|
37
|
37
|
35
|
42
|
43
|
44
|
51
|
51
|
53
|
51
|
42
|
35
|
22
|
26
|
36
|
44
|
51
|
80
|
42
|
37
|
34
|
31
|
43
|
53
|
44
|
53
|
|
|
2024/10
|
19
|
25
|
28
|
29
|
28
|
14
|
13
|
29
|
42
|
52
|
68
|
61
|
35
|
52
|
46
|
35
|
36
|
34
|
22
|
40
|
51
|
34
|
45
|
41
|
40
|
20
|
15
|
47
|
50
|
44
|
32
|
|
2024/09
|
48
|
51
|
39
|
35
|
32
|
39
|
54
|
36
|
28
|
41
|
16
|
35
|
21
|
25
|
25
|
18
|
17
|
23
|
21
|
18
|
19
|
26
|
30
|
40
|
52
|
55
|
25
|
35
|
35
|
31
|
|
|
2024/08
|
21
|
23
|
41
|
38
|
34
|
36
|
46
|
39
|
40
|
44
|
36
|
27
|
24
|
27
|
29
|
41
|
31
|
38
|
23
|
21
|
16
|
24
|
39
|
44
|
43
|
49
|
46
|
28
|
26
|
31
|
43
|
|
2024/07
|
25
|
23
|
22
|
25
|
25
|
27
|
24
|
27
|
28
|
28
|
40
|
33
|
30
|
29
|
38
|
30
|
33
|
27
|
27
|
29
|
34
|
30
|
28
|
26
|
28
|
20
|
16
|
17
|
17
|
17
|
22
|
|
2024/06
|
18
|
28
|
34
|
49
|
44
|
23
|
30
|
34
|
44
|
24
|
23
|
24
|
40
|
56
|
48
|
47
|
22
|
26
|
17
|
12
|
29
|
28
|
16
|
17
|
17
|
16
|
11
|
16
|
21
|
31
|
|
|
2024/05
|
29
|
39
|
42
|
41
|
29
|
24
|
54
|
53
|
35
|
53
|
50
|
49
|
65
|
58
|
60
|
32
|
48
|
53
|
50
|
52
|
36
|
41
|
58
|
45
|
41
|
24
|
21
|
21
|
32
|
49
|
24
|
|
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
*: primary pollution