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
24 Dec
Thu
25 Dec
Fri
26 Dec
Sat
27 Dec
Sun
28 Dec
Mon
29 Dec
Tue
30 Dec
Real-time AQI (Monitoring Station in Kunshan)
震川中学
6340
PM2.5
75 *
PM10
45
O3
0.6
CO
14
SO2
56
NO2
昆山实验小学
8260 *
PM2.5
75
PM10
43
O3
0.8
CO
9
SO2
66
NO2
Air quality in the last 12 months (Kunshan)
|
2025/11
|
130
|
103
|
20
|
31
|
30
|
39
|
37
|
35
|
25
|
40
|
23
|
35
|
35
|
77
|
51
|
40
|
36
|
39
|
54
|
65
|
88
|
132
|
140
|
104
|
70
|
63
|
163
|
149
|
106
|
97
|
|
|
2025/10
|
42
|
24
|
38
|
29
|
27
|
31
|
44
|
19
|
20
|
30
|
39
|
50
|
63
|
27
|
29
|
25
|
19
|
18
|
27
|
29
|
25
|
25
|
30
|
33
|
34
|
38
|
47
|
24
|
24
|
28
|
29
|
|
2025/09
|
27
|
26
|
30
|
26
|
30
|
28
|
46
|
22
|
19
|
23
|
29
|
33
|
43
|
39
|
30
|
33
|
33
|
20
|
23
|
22
|
23
|
23
|
23
|
17
|
21
|
23
|
34
|
42
|
26
|
34
|
|
|
2025/08
|
35
|
29
|
27
|
32
|
31
|
24
|
19
|
22
|
29
|
36
|
32
|
31
|
21
|
18
|
15
|
22
|
29
|
14
|
22
|
26
|
43
|
38
|
34
|
32
|
27
|
29
|
16
|
17
|
17
|
18
|
21
|
|
2025/07
|
19
|
26
|
32
|
32
|
32
|
24
|
13
|
16
|
19
|
44
|
28
|
19
|
29
|
40
|
41
|
46
|
43
|
30
|
16
|
24
|
21
|
21
|
17
|
22
|
23
|
15
|
17
|
20
|
19
|
9
|
13
|
|
2025/06
|
14
|
11
|
37
|
61
|
42
|
41
|
36
|
20
|
19
|
21
|
25
|
17
|
12
|
31
|
14
|
24
|
48
|
45
|
34
|
22
|
24
|
13
|
13
|
23
|
41
|
44
|
28
|
33
|
28
|
20
|
|
|
2025/05
|
52
|
56
|
48
|
25
|
36
|
71
|
64
|
45
|
19
|
45
|
37
|
48
|
46
|
40
|
52
|
37
|
46
|
65
|
41
|
36
|
25
|
41
|
18
|
46
|
45
|
39
|
29
|
32
|
41
|
48
|
48
|
|
2025/04
|
48
|
65
|
47
|
45
|
67
|
67
|
64
|
64
|
77
|
86
|
68
|
98
|
89
|
72
|
52
|
56
|
62
|
61
|
60
|
42
|
44
|
49
|
57
|
76
|
53
|
34
|
39
|
53
|
44
|
51
|
|
|
2025/03
|
41
|
57
|
21
|
22
|
23
|
35
|
55
|
70
|
39
|
44
|
60
|
30
|
35
|
40
|
24
|
42
|
46
|
41
|
43
|
56
|
57
|
60
|
65
|
61
|
81
|
83
|
69
|
53
|
65
|
36
|
37
|
|
2025/02
|
25
|
63
|
73
|
70
|
51
|
37
|
52
|
33
|
44
|
53
|
32
|
81
|
44
|
34
|
75
|
98
|
58
|
42
|
48
|
29
|
33
|
61
|
66
|
75
|
94
|
118
|
130
|
63
|
|||
|
2025/01
|
73
|
49
|
57
|
46
|
81
|
92
|
69
|
70
|
31
|
43
|
61
|
71
|
95
|
113
|
40
|
59
|
75
|
78
|
103
|
167
|
139
|
47
|
42
|
41
|
29
|
47
|
50
|
44
|
94
|
59
|
42
|
|
2024/12
|
62
|
83
|
72
|
35
|
59
|
129
|
143
|
30
|
42
|
39
|
57
|
45
|
66
|
67
|
61
|
62
|
80
|
72
|
35
|
55
|
83
|
46
|
40
|
47
|
78
|
129
|
49
|
58
|
68
|
75
|
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