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
19 Aug
Thu
20 Aug
Fri
21 Aug
Sat
22 Aug
Sun
23 Aug
Mon
24 Aug
Tue
25 Aug
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)
|
2026/07
|
32
|
30
|
29
|
17
|
13
|
17
|
36
|
22
|
25
|
23
|
27
|
20
|
21
|
28
|
34
|
30
|
31
|
35
|
31
|
24
|
35
|
23
|
32
|
44
|
29
|
24
|
23
|
18
|
29
|
42
|
48
|
|
2026/06
|
59
|
77
|
54
|
67
|
35
|
31
|
34
|
30
|
45
|
52
|
62
|
70
|
41
|
29
|
26
|
31
|
32
|
46
|
22
|
27
|
33
|
22
|
24
|
21
|
24
|
51
|
48
|
57
|
30
|
24
|
|
|
2026/05
|
57
|
41
|
42
|
41
|
55
|
40
|
45
|
30
|
33
|
40
|
53
|
58
|
53
|
26
|
32
|
29
|
28
|
34
|
39
|
36
|
39
|
42
|
79
|
27
|
30
|
26
|
27
|
47
|
51
|
49
|
46
|
|
2026/04
|
84
|
92
|
39
|
61
|
83
|
73
|
39
|
40
|
29
|
58
|
53
|
29
|
29
|
41
|
44
|
38
|
50
|
38
|
35
|
44
|
76
|
21
|
33
|
51
|
52
|
62
|
73
|
41
|
27
|
53
|
|
|
2026/03
|
26
|
22
|
42
|
24
|
46
|
53
|
40
|
33
|
41
|
39
|
46
|
46
|
69
|
52
|
46
|
54
|
59
|
42
|
62
|
62
|
47
|
59
|
53
|
51
|
85
|
71
|
50
|
54
|
64
|
37
|
57
|
|
2026/02
|
77
|
93
|
68
|
70
|
115
|
67
|
35
|
39
|
39
|
51
|
101
|
120
|
98
|
93
|
111
|
40
|
60
|
94
|
85
|
48
|
47
|
112
|
63
|
22
|
44
|
25
|
19
|
42
|
|||
|
2026/01
|
20
|
33
|
58
|
87
|
117
|
132
|
61
|
91
|
82
|
97
|
59
|
56
|
84
|
88
|
123
|
176
|
100
|
47
|
25
|
27
|
40
|
48
|
75
|
94
|
63
|
18
|
60
|
52
|
41
|
27
|
26
|
|
2025/12
|
100
|
51
|
37
|
49
|
66
|
68
|
93
|
80
|
57
|
44
|
88
|
28
|
34
|
63
|
63
|
77
|
106
|
61
|
64
|
108
|
33
|
30
|
37
|
65
|
43
|
29
|
42
|
77
|
103
|
82
|
27
|
|
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
|
|
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