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
28 Jul
Wed
29 Jul
Thu
30 Jul
Fri
31 Jul
Sat
1 Aug
Sun
2 Aug
Mon
3 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)
|
2026/06
|
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
|
|
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
|
|
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