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
3 Jun
Wed
4 Jun
Thu
5 Jun
Fri
6 Jun
Sat
7 Jun
Sun
8 Jun
Mon
9 Jun
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)
|
2025/04
|
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
|
|
2024/11
|
10
|
53
|
71
|
65
|
33
|
27
|
24
|
28
|
30
|
36
|
40
|
42
|
46
|
37
|
63
|
31
|
25
|
25
|
24
|
29
|
61
|
77
|
22
|
27
|
31
|
41
|
66
|
69
|
53
|
61
|
|
|
2024/10
|
15
|
24
|
17
|
19
|
16
|
9
|
11
|
34
|
38
|
61
|
73
|
58
|
22
|
30
|
51
|
33
|
31
|
34
|
25
|
34
|
25
|
36
|
39
|
28
|
27
|
15
|
17
|
50
|
25
|
27
|
22
|
|
2024/09
|
30
|
33
|
16
|
21
|
23
|
30
|
49
|
31
|
15
|
27
|
8
|
21
|
14
|
16
|
16
|
10
|
13
|
16
|
15
|
11
|
19
|
25
|
22
|
28
|
34
|
14
|
24
|
27
|
30
|
30
|
|
|
2024/08
|
23
|
25
|
35
|
28
|
34
|
28
|
34
|
29
|
30
|
37
|
39
|
28
|
32
|
19
|
15
|
28
|
20
|
14
|
14
|
20
|
25
|
35
|
32
|
19
|
20
|
22
|
29
|
22
|
13
|
20
|
26
|
|
2024/07
|
18
|
21
|
17
|
27
|
28
|
32
|
26
|
29
|
33
|
18
|
18
|
19
|
16
|
21
|
47
|
34
|
30
|
23
|
31
|
27
|
31
|
30
|
22
|
15
|
17
|
17
|
18
|
14
|
15
|
15
|
21
|
|
2024/06
|
37
|
24
|
39
|
39
|
28
|
15
|
17
|
24
|
29
|
22
|
17
|
23
|
42
|
31
|
28
|
25
|
16
|
18
|
15
|
22
|
32
|
16
|
19
|
25
|
27
|
14
|
13
|
15
|
21
|
15
|
|
|
2024/05
|
34
|
33
|
30
|
33
|
26
|
45
|
52
|
36
|
26
|
39
|
44
|
70
|
75
|
48
|
39
|
32
|
47
|
36
|
27
|
24
|
22
|
35
|
26
|
21
|
19
|
29
|
19
|
22
|
26
|
32
|
46
|
|
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