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
5 Jul
Sun
6 Jul
Mon
7 Jul
Tue
8 Jul
Wed
9 Jul
Thu
10 Jul
Fri
11 Jul
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)
|
2025/05
|
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
|
|
2024/11
|
9
|
53
|
72
|
66
|
28
|
23
|
25
|
26
|
30
|
35
|
44
|
44
|
51
|
37
|
67
|
42
|
23
|
26
|
26
|
29
|
60
|
80
|
18
|
26
|
33
|
37
|
55
|
65
|
50
|
59
|
|
|
2024/10
|
17
|
27
|
20
|
19
|
17
|
11
|
11
|
38
|
37
|
63
|
72
|
60
|
21
|
34
|
57
|
32
|
30
|
36
|
24
|
37
|
28
|
43
|
38
|
24
|
28
|
14
|
14
|
55
|
20
|
27
|
22
|
|
2024/09
|
34
|
36
|
21
|
24
|
26
|
38
|
51
|
34
|
18
|
31
|
10
|
22
|
14
|
17
|
20
|
13
|
15
|
19
|
19
|
12
|
20
|
28
|
25
|
31
|
40
|
16
|
25
|
30
|
33
|
34
|
|
|
2024/08
|
28
|
29
|
40
|
33
|
39
|
32
|
35
|
35
|
33
|
39
|
42
|
35
|
34
|
23
|
21
|
34
|
23
|
17
|
16
|
24
|
23
|
36
|
33
|
26
|
27
|
25
|
36
|
29
|
16
|
24
|
29
|
|
2024/07
|
32
|
23
|
24
|
29
|
32
|
37
|
32
|
35
|
35
|
27
|
22
|
27
|
28
|
44
|
54
|
26
|
34
|
31
|
33
|
31
|
34
|
29
|
21
|
19
|
25
|
23
|
22
|
19
|
18
|
18
|
26
|
|
2024/06
|
38
|
22
|
40
|
44
|
36
|
18
|
18
|
28
|
29
|
24
|
17
|
32
|
54
|
36
|
29
|
27
|
19
|
20
|
24
|
23
|
37
|
23
|
19
|
28
|
30
|
21
|
12
|
19
|
28
|
21
|
|
|
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