Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
PM2.5
PM10
O3
CO
SO2
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
16 Jan
Sat
17 Jan
Sun
18 Jan
Mon
19 Jan
Tue
20 Jan
Wed
21 Jan
Thu
22 Jan
Changshu Air quality rank
Real-time AQI (Monitoring Station in Changshu)
菱塘子站
5938
PM2.5
68 *
PM10
77
O3
0.9
CO
10
SO2
26
NO2
兴福子站
5740 *
PM2.5
61
PM10
74
O3
0.7
CO
10
SO2
28
NO2
海虞子站
5942 *
PM2.5
60
PM10
72
O3
0.7
CO
10
SO2
27
NO2
Air quality in the last 12 months (Changshu)
|
2025/11
|
138
|
94
|
25
|
36
|
32
|
40
|
37
|
28
|
26
|
44
|
27
|
40
|
44
|
90
|
56
|
48
|
38
|
41
|
57
|
68
|
89
|
130
|
142
|
101
|
88
|
66
|
192
|
146
|
105
|
97
|
|
|
2025/10
|
38
|
24
|
32
|
30
|
29
|
36
|
38
|
17
|
19
|
28
|
42
|
54
|
52
|
21
|
31
|
18
|
23
|
16
|
25
|
28
|
24
|
25
|
29
|
33
|
37
|
36
|
50
|
28
|
25
|
29
|
30
|
|
2025/09
|
25
|
19
|
31
|
30
|
32
|
29
|
44
|
24
|
17
|
21
|
25
|
28
|
38
|
37
|
27
|
36
|
33
|
18
|
22
|
19
|
22
|
21
|
23
|
13
|
18
|
26
|
33
|
38
|
23
|
32
|
|
|
2025/08
|
28
|
21
|
24
|
27
|
30
|
27
|
17
|
22
|
24
|
28
|
23
|
32
|
21
|
16
|
13
|
18
|
28
|
16
|
23
|
26
|
43
|
41
|
37
|
34
|
31
|
30
|
20
|
17
|
18
|
16
|
24
|
|
2025/07
|
20
|
26
|
32
|
34
|
35
|
29
|
15
|
12
|
15
|
44
|
24
|
17
|
32
|
35
|
41
|
42
|
33
|
26
|
16
|
18
|
14
|
15
|
15
|
22
|
21
|
13
|
14
|
17
|
17
|
7
|
12
|
|
2025/06
|
12
|
8
|
39
|
61
|
48
|
43
|
32
|
14
|
15
|
21
|
19
|
16
|
13
|
31
|
14
|
26
|
47
|
44
|
31
|
22
|
19
|
11
|
14
|
20
|
37
|
42
|
25
|
27
|
25
|
24
|
|
|
2025/05
|
50
|
57
|
49
|
26
|
33
|
69
|
65
|
42
|
18
|
43
|
39
|
47
|
46
|
42
|
55
|
26
|
45
|
64
|
46
|
33
|
23
|
40
|
18
|
47
|
46
|
39
|
30
|
32
|
46
|
48
|
49
|
|
2025/04
|
47
|
64
|
47
|
50
|
68
|
71
|
73
|
65
|
85
|
84
|
71
|
119
|
95
|
73
|
56
|
55
|
61
|
63
|
60
|
42
|
45
|
44
|
60
|
75
|
54
|
37
|
42
|
53
|
49
|
54
|
|
|
2025/03
|
49
|
62
|
19
|
21
|
24
|
38
|
57
|
70
|
44
|
42
|
66
|
31
|
39
|
40
|
25
|
43
|
48
|
40
|
45
|
58
|
58
|
59
|
65
|
64
|
83
|
82
|
78
|
51
|
68
|
35
|
37
|
|
2025/02
|
23
|
64
|
73
|
66
|
52
|
36
|
54
|
33
|
43
|
53
|
34
|
84
|
47
|
38
|
85
|
116
|
58
|
45
|
48
|
30
|
34
|
57
|
63
|
75
|
95
|
116
|
126
|
83
|
|||
|
2025/01
|
72
|
50
|
55
|
49
|
92
|
90
|
69
|
70
|
32
|
45
|
64
|
75
|
90
|
117
|
43
|
61
|
77
|
76
|
109
|
176
|
132
|
54
|
37
|
41
|
28
|
47
|
55
|
51
|
94
|
61
|
48
|
|
2024/12
|
64
|
83
|
62
|
32
|
65
|
131
|
140
|
33
|
48
|
38
|
62
|
44
|
70
|
63
|
65
|
68
|
85
|
68
|
37
|
58
|
83
|
46
|
43
|
56
|
84
|
122
|
54
|
60
|
67
|
81
|
81
|
|
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