Air Quality
Excellent
No health implications.
22
PM2.5
42
PM10
50
O3
0.7
CO
6
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
97
Good
Fri
18 Jul
89
Good
Sat
19 Jul
59
Good
Sun
20 Jul
49
Excellent
Mon
21 Jul
46
Excellent
Tue
22 Jul
48
Excellent
Wed
23 Jul
46
Excellent
Air quality in the last 12 months (Jiashan)
|
2025/06
|
15
|
14
|
35
|
52
|
39
|
46
|
44
|
22
|
21
|
20
|
27
|
17
|
15
|
27
|
12
|
21
|
51
|
49
|
38
|
24
|
29
|
21
|
18
|
25
|
40
|
35
|
27
|
30
|
27
|
18
|
|
|
2025/05
|
51
|
58
|
55
|
28
|
37
|
77
|
70
|
45
|
14
|
41
|
39
|
49
|
44
|
38
|
57
|
48
|
44
|
70
|
39
|
39
|
20
|
35
|
15
|
49
|
48
|
39
|
28
|
37
|
34
|
50
|
48
|
|
2025/04
|
44
|
67
|
60
|
47
|
62
|
66
|
63
|
64
|
70
|
76
|
70
|
122
|
105
|
86
|
54
|
57
|
62
|
61
|
65
|
59
|
40
|
45
|
53
|
80
|
60
|
42
|
41
|
55
|
42
|
45
|
|
|
2025/03
|
37
|
50
|
30
|
23
|
27
|
35
|
55
|
79
|
38
|
47
|
53
|
29
|
31
|
40
|
23
|
48
|
41
|
51
|
51
|
59
|
54
|
62
|
66
|
60
|
76
|
82
|
65
|
63
|
64
|
47
|
35
|
|
2025/02
|
28
|
58
|
73
|
64
|
44
|
47
|
57
|
36
|
42
|
53
|
31
|
78
|
53
|
38
|
74
|
78
|
74
|
41
|
50
|
38
|
32
|
63
|
79
|
80
|
111
|
106
|
109
|
49
|
|||
|
2025/01
|
73
|
50
|
61
|
49
|
80
|
94
|
75
|
70
|
39
|
45
|
68
|
71
|
93
|
101
|
53
|
56
|
73
|
83
|
101
|
147
|
146
|
64
|
38
|
40
|
28
|
47
|
52
|
43
|
83
|
61
|
41
|
|
2024/12
|
61
|
70
|
86
|
44
|
50
|
112
|
160
|
37
|
47
|
37
|
45
|
64
|
66
|
83
|
57
|
63
|
76
|
87
|
38
|
51
|
84
|
56
|
49
|
50
|
78
|
147
|
55
|
62
|
66
|
74
|
86
|
|
2024/11
|
22
|
52
|
74
|
76
|
36
|
29
|
30
|
30
|
35
|
39
|
47
|
39
|
46
|
36
|
41
|
42
|
24
|
28
|
28
|
30
|
52
|
83
|
25
|
27
|
27
|
29
|
51
|
65
|
51
|
59
|
|
|
2024/10
|
21
|
29
|
23
|
22
|
18
|
13
|
11
|
37
|
36
|
63
|
64
|
57
|
22
|
41
|
53
|
36
|
27
|
35
|
24
|
39
|
29
|
40
|
40
|
29
|
33
|
16
|
15
|
54
|
26
|
31
|
25
|
|
2024/09
|
32
|
38
|
30
|
22
|
24
|
37
|
47
|
32
|
19
|
34
|
17
|
25
|
16
|
22
|
24
|
15
|
16
|
22
|
21
|
17
|
21
|
32
|
29
|
32
|
56
|
24
|
24
|
37
|
35
|
32
|
|
|
2024/08
|
28
|
35
|
40
|
34
|
39
|
33
|
40
|
43
|
39
|
45
|
46
|
39
|
31
|
24
|
25
|
34
|
25
|
20
|
17
|
21
|
18
|
30
|
33
|
32
|
31
|
28
|
40
|
33
|
18
|
23
|
27
|
|
2024/07
|
36
|
19
|
27
|
30
|
36
|
37
|
38
|
36
|
33
|
38
|
27
|
26
|
37
|
42
|
45
|
21
|
31
|
36
|
33
|
32
|
36
|
28
|
20
|
21
|
27
|
25
|
23
|
21
|
19
|
20
|
26
|
|
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
Air quality source: CNEMC
*: primary pollution