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
18 Sep
Fri
19 Sep
Sat
20 Sep
Sun
21 Sep
Mon
22 Sep
Tue
23 Sep
Wed
24 Sep
Zhangjiagang Air quality rank
Real-time AQI (Monitoring Station in Zhangjiagang)
城北小学
7252 *
PM2.5
63
PM10
68
O3
1.0
CO
11
SO2
32
NO2
张家港市监测站
7051 *
PM2.5
61
PM10
62
O3
0.9
CO
13
SO2
34
NO2
Air quality in the last 12 months (Zhangjiagang)
|
2025/08
|
25
|
17
|
20
|
22
|
30
|
30
|
19
|
23
|
26
|
21
|
18
|
33
|
24
|
18
|
15
|
18
|
25
|
20
|
24
|
29
|
40
|
44
|
38
|
36
|
33
|
32
|
27
|
19
|
23
|
18
|
29
|
|
2025/07
|
24
|
30
|
33
|
40
|
42
|
38
|
22
|
14
|
15
|
41
|
24
|
20
|
33
|
33
|
46
|
43
|
28
|
24
|
17
|
17
|
16
|
15
|
16
|
21
|
21
|
14
|
14
|
17
|
19
|
8
|
12
|
|
2025/06
|
14
|
8
|
42
|
61
|
52
|
43
|
35
|
15
|
18
|
29
|
21
|
19
|
18
|
31
|
16
|
29
|
48
|
48
|
31
|
24
|
19
|
12
|
17
|
21
|
38
|
43
|
31
|
25
|
21
|
31
|
|
|
2025/05
|
50
|
56
|
49
|
27
|
33
|
73
|
65
|
42
|
18
|
40
|
41
|
47
|
47
|
45
|
66
|
27
|
52
|
65
|
51
|
38
|
24
|
42
|
20
|
49
|
51
|
42
|
35
|
37
|
53
|
52
|
52
|
|
2025/04
|
45
|
62
|
47
|
53
|
67
|
69
|
75
|
67
|
90
|
84
|
73
|
138
|
97
|
71
|
55
|
52
|
60
|
67
|
63
|
43
|
49
|
48
|
63
|
75
|
55
|
42
|
43
|
53
|
54
|
56
|
|
|
2025/03
|
55
|
65
|
17
|
16
|
25
|
37
|
58
|
70
|
49
|
44
|
68
|
41
|
39
|
40
|
28
|
44
|
49
|
40
|
49
|
58
|
59
|
60
|
67
|
65
|
81
|
79
|
86
|
48
|
72
|
36
|
38
|
|
2025/02
|
21
|
65
|
74
|
63
|
57
|
35
|
55
|
31
|
42
|
54
|
38
|
83
|
58
|
44
|
88
|
118
|
64
|
48
|
48
|
32
|
32
|
53
|
59
|
75
|
96
|
112
|
118
|
97
|
|||
|
2025/01
|
73
|
52
|
58
|
52
|
95
|
87
|
69
|
68
|
31
|
45
|
65
|
74
|
85
|
115
|
49
|
62
|
77
|
75
|
109
|
180
|
126
|
59
|
37
|
38
|
28
|
44
|
57
|
60
|
111
|
60
|
50
|
|
2024/12
|
67
|
82
|
59
|
35
|
68
|
127
|
138
|
36
|
52
|
39
|
62
|
50
|
73
|
62
|
66
|
71
|
86
|
66
|
36
|
61
|
83
|
46
|
47
|
62
|
87
|
114
|
57
|
60
|
67
|
83
|
80
|
|
2024/11
|
11
|
54
|
78
|
71
|
40
|
33
|
30
|
32
|
33
|
42
|
47
|
47
|
48
|
40
|
69
|
38
|
29
|
26
|
25
|
31
|
59
|
76
|
31
|
29
|
26
|
40
|
71
|
68
|
53
|
65
|
|
|
2024/10
|
15
|
25
|
17
|
22
|
20
|
9
|
11
|
35
|
41
|
63
|
77
|
67
|
28
|
31
|
57
|
45
|
32
|
35
|
26
|
32
|
23
|
33
|
42
|
35
|
34
|
23
|
20
|
54
|
33
|
33
|
26
|
|
2024/09
|
29
|
34
|
16
|
20
|
21
|
24
|
45
|
28
|
12
|
25
|
8
|
21
|
17
|
20
|
18
|
10
|
15
|
20
|
15
|
10
|
20
|
25
|
25
|
30
|
37
|
20
|
29
|
30
|
33
|
32
|
|
|
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