Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Dec
Sun
22 Dec
Mon
23 Dec
Tue
24 Dec
Wed
25 Dec
Thu
26 Dec
Fri
27 Dec
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)
|
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
|
|
2024/04
|
71
|
29
|
27
|
51
|
43
|
49
|
42
|
31
|
63
|
55
|
51
|
31
|
20
|
20
|
47
|
40
|
35
|
78
|
93
|
36
|
31
|
29
|
40
|
51
|
37
|
39
|
22
|
17
|
24
|
36
|
|
|
2024/03
|
43
|
57
|
70
|
40
|
28
|
57
|
58
|
93
|
84
|
56
|
62
|
93
|
51
|
55
|
55
|
46
|
70
|
58
|
84
|
102
|
65
|
65
|
72
|
57
|
41
|
37
|
46
|
56
|
56
|
66
|
83
|
|
2024/02
|
24
|
25
|
23
|
34
|
54
|
73
|
52
|
89
|
184
|
191
|
127
|
79
|
52
|
61
|
53
|
27
|
31
|
30
|
37
|
21
|
16
|
28
|
44
|
55
|
84
|
83
|
50
|
40
|
24
|
||
|
2024/01
|
101
|
67
|
98
|
125
|
129
|
175
|
66
|
30
|
96
|
108
|
111
|
131
|
181
|
122
|
34
|
30
|
52
|
45
|
47
|
54
|
60
|
41
|
33
|
50
|
68
|
100
|
118
|
123
|
117
|
45
|
27
|
|
2023/12
|
50
|
61
|
88
|
102
|
113
|
99
|
105
|
75
|
95
|
58
|
22
|
51
|
59
|
81
|
40
|
50
|
29
|
29
|
44
|
66
|
42
|
44
|
58
|
86
|
108
|
123
|
105
|
150
|
102
|
142
|
199
|
|
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