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
31 May
Sun
1 Jun
Mon
2 Jun
Tue
3 Jun
Wed
4 Jun
Thu
5 Jun
Fri
6 Jun
Real-time AQI (Monitoring Station in Suzhou)
彩香
4014
PM2.5
19
PM10
127
O3
0.4
CO
5
SO2
8
NO2
轧钢厂
3915
PM2.5
20
PM10
122
O3
0.6
CO
6
SO2
9
NO2
吴中区
3911
PM2.5
17
PM10
124
O3
0.4
CO
6
SO2
10
NO2
苏州新区
3812
PM2.5
16
PM10
121
O3
0.3
CO
1
SO2
13
NO2
苏州工业园区
4214
PM2.5
22
PM10
133
O3
0.3
CO
4
SO2
9
NO2
相城区
4116
PM2.5
26
PM10
130
O3
0.4
CO
4
SO2
12
NO2
方洲路
3718
PM2.5
20
PM10
116
O3
0.3
CO
5
SO2
11
NO2
木渎中学
4112
PM2.5
17
PM10
130
O3
0.3
CO
2
SO2
5
NO2
越秀幼儿园
4524
PM2.5
45
PM10
123
O3
0.4
CO
2
SO2
7
NO2
高铁新城
3916
PM2.5
23
PM10
122
O3
0.5
CO
2
SO2
10
NO2
Air quality in the last 12 months (Suzhou)
|
2025/04
|
48
|
65
|
45
|
51
|
68
|
71
|
68
|
63
|
78
|
92
|
73
|
121
|
93
|
82
|
54
|
55
|
62
|
64
|
72
|
47
|
54
|
51
|
53
|
75
|
60
|
38
|
45
|
62
|
46
|
55
|
|
|
2025/03
|
45
|
55
|
24
|
21
|
32
|
43
|
59
|
84
|
48
|
51
|
65
|
30
|
35
|
43
|
27
|
46
|
44
|
43
|
52
|
58
|
52
|
54
|
62
|
62
|
83
|
90
|
71
|
62
|
69
|
44
|
38
|
|
2025/02
|
27
|
68
|
77
|
70
|
47
|
42
|
53
|
36
|
46
|
59
|
40
|
93
|
52
|
40
|
88
|
97
|
60
|
45
|
55
|
37
|
36
|
66
|
84
|
85
|
114
|
115
|
124
|
72
|
|||
|
2025/01
|
80
|
55
|
64
|
54
|
92
|
90
|
74
|
73
|
38
|
50
|
66
|
72
|
89
|
125
|
44
|
61
|
73
|
84
|
103
|
167
|
175
|
68
|
44
|
44
|
29
|
51
|
48
|
46
|
94
|
72
|
50
|
|
2024/12
|
65
|
79
|
75
|
39
|
56
|
123
|
161
|
34
|
52
|
45
|
60
|
54
|
72
|
75
|
61
|
62
|
83
|
82
|
36
|
56
|
84
|
49
|
47
|
57
|
87
|
140
|
56
|
62
|
68
|
82
|
85
|
|
2024/11
|
11
|
53
|
76
|
77
|
36
|
28
|
25
|
30
|
35
|
38
|
45
|
45
|
52
|
43
|
70
|
44
|
22
|
27
|
28
|
35
|
57
|
81
|
19
|
28
|
36
|
35
|
60
|
67
|
49
|
54
|
|
|
2024/10
|
21
|
29
|
24
|
24
|
20
|
14
|
16
|
39
|
44
|
62
|
72
|
68
|
27
|
42
|
60
|
37
|
33
|
39
|
28
|
45
|
30
|
38
|
44
|
29
|
34
|
20
|
19
|
57
|
28
|
30
|
26
|
|
2024/09
|
37
|
42
|
26
|
30
|
29
|
39
|
53
|
42
|
21
|
37
|
12
|
28
|
16
|
23
|
24
|
16
|
18
|
26
|
25
|
16
|
21
|
31
|
30
|
42
|
53
|
22
|
29
|
37
|
39
|
40
|
|
|
2024/08
|
30
|
23
|
42
|
36
|
44
|
37
|
44
|
41
|
44
|
44
|
47
|
35
|
40
|
28
|
24
|
37
|
29
|
22
|
20
|
27
|
25
|
34
|
42
|
30
|
36
|
31
|
35
|
31
|
21
|
30
|
33
|
|
2024/07
|
28
|
26
|
24
|
30
|
27
|
36
|
27
|
34
|
37
|
25
|
30
|
28
|
22
|
24
|
56
|
34
|
36
|
31
|
32
|
33
|
39
|
36
|
28
|
23
|
27
|
26
|
23
|
21
|
21
|
23
|
27
|
|
2024/06
|
28
|
26
|
39
|
50
|
42
|
21
|
22
|
34
|
30
|
23
|
22
|
39
|
55
|
40
|
37
|
31
|
27
|
21
|
20
|
25
|
34
|
19
|
19
|
24
|
31
|
18
|
10
|
18
|
29
|
20
|
|
|
2024/05
|
38
|
37
|
38
|
38
|
30
|
38
|
61
|
42
|
26
|
40
|
59
|
63
|
75
|
52
|
49
|
37
|
51
|
41
|
33
|
32
|
28
|
42
|
34
|
32
|
27
|
34
|
28
|
26
|
29
|
45
|
55
|
|
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