Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
17 Jan
Sun
18 Jan
Mon
19 Jan
Tue
20 Jan
Wed
21 Jan
Thu
22 Jan
Fri
23 Jan
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)
|
2025/11
|
143
|
93
|
31
|
40
|
38
|
43
|
40
|
25
|
28
|
53
|
31
|
44
|
49
|
95
|
64
|
54
|
39
|
41
|
56
|
68
|
85
|
134
|
135
|
103
|
94
|
67
|
204
|
139
|
101
|
99
|
|
|
2025/10
|
41
|
27
|
28
|
30
|
34
|
42
|
37
|
18
|
19
|
30
|
47
|
66
|
46
|
17
|
34
|
19
|
25
|
16
|
25
|
27
|
21
|
24
|
28
|
34
|
40
|
35
|
51
|
32
|
28
|
31
|
29
|
|
2025/09
|
23
|
16
|
33
|
36
|
35
|
31
|
41
|
28
|
19
|
24
|
25
|
29
|
30
|
37
|
27
|
39
|
33
|
18
|
23
|
19
|
24
|
22
|
25
|
13
|
17
|
31
|
35
|
38
|
25
|
33
|
|
|
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
|
|
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