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
17 Jan
Sun
18 Jan
Mon
19 Jan
Tue
20 Jan
Wed
21 Jan
Thu
22 Jan
Fri
23 Jan
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