Air Quality
Excellent
No health implications.
19
PM2.5
24
PM10
90
O3
0.7
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
83
Good
Tue
30 Apr
54
Good
Wed
1 May
76
Good
Thu
2 May
87
Good
Fri
3 May
91
Good
Sat
4 May
79
Good
Sun
5 May
75
Good
Air quality in the last 12 months (Jiashan)
|
2024/02
|
24
|
29
|
22
|
33
|
48
|
90
|
62
|
78
|
168
|
194
|
97
|
73
|
54
|
51
|
47
|
30
|
30
|
30
|
48
|
19
|
20
|
31
|
52
|
55
|
73
|
100
|
60
|
45
|
29
|
||
|
2024/01
|
107
|
71
|
100
|
117
|
84
|
167
|
108
|
32
|
103
|
150
|
149
|
108
|
135
|
95
|
45
|
31
|
46
|
69
|
37
|
41
|
65
|
45
|
35
|
48
|
66
|
85
|
112
|
109
|
113
|
50
|
33
|
|
2023/12
|
49
|
66
|
87
|
108
|
77
|
82
|
100
|
68
|
76
|
76
|
32
|
48
|
66
|
56
|
44
|
36
|
33
|
35
|
34
|
62
|
43
|
46
|
57
|
77
|
88
|
113
|
114
|
184
|
75
|
113
|
195
|
|
2023/11
|
45
|
36
|
49
|
30
|
27
|
36
|
53
|
53
|
57
|
32
|
26
|
42
|
42
|
62
|
91
|
88
|
91
|
49
|
62
|
90
|
69
|
61
|
114
|
40
|
35
|
51
|
79
|
89
|
75
|
40
|
|
|
2023/10
|
32
|
31
|
30
|
29
|
41
|
31
|
24
|
24
|
48
|
60
|
41
|
40
|
31
|
54
|
59
|
71
|
89
|
68
|
78
|
34
|
41
|
45
|
37
|
47
|
76
|
75
|
68
|
28
|
39
|
44
|
51
|
|
2023/09
|
31
|
44
|
39
|
21
|
32
|
32
|
41
|
40
|
37
|
45
|
51
|
32
|
26
|
23
|
26
|
27
|
54
|
53
|
37
|
27
|
25
|
21
|
23
|
21
|
43
|
53
|
50
|
44
|
46
|
41
|
|
|
2023/08
|
20
|
23
|
29
|
28
|
30
|
38
|
31
|
36
|
36
|
60
|
86
|
61
|
42
|
34
|
30
|
38
|
39
|
40
|
32
|
30
|
36
|
38
|
39
|
52
|
53
|
34
|
22
|
20
|
24
|
25
|
33
|
|
2023/07
|
35
|
51
|
39
|
31
|
34
|
43
|
34
|
38
|
38
|
38
|
52
|
55
|
48
|
59
|
44
|
25
|
16
|
28
|
24
|
25
|
28
|
22
|
25
|
35
|
23
|
22
|
15
|
16
|
15
|
16
|
21
|
|
2023/06
|
38
|
83
|
61
|
44
|
44
|
41
|
53
|
48
|
72
|
65
|
52
|
31
|
27
|
52
|
76
|
59
|
32
|
27
|
34
|
28
|
76
|
71
|
55
|
25
|
21
|
28
|
30
|
37
|
38
|
32
|
|
|
2023/05
|
78
|
48
|
37
|
34
|
34
|
41
|
30
|
37
|
49
|
46
|
58
|
85
|
89
|
79
|
80
|
53
|
29
|
32
|
32
|
35
|
41
|
74
|
100
|
54
|
58
|
57
|
37
|
44
|
59
|
57
|
40
|
|
2023/04
|
53
|
58
|
43
|
31
|
40
|
55
|
70
|
53
|
48
|
54
|
96
|
233
|
149
|
81
|
66
|
73
|
63
|
72
|
31
|
37
|
53
|
80
|
83
|
45
|
50
|
66
|
68
|
52
|
72
|
83
|
|
|
2023/03
|
102
|
79
|
44
|
62
|
61
|
68
|
70
|
74
|
72
|
98
|
61
|
70
|
56
|
55
|
66
|
69
|
37
|
47
|
44
|
46
|
34
|
47
|
62
|
105
|
55
|
65
|
86
|
70
|
58
|
58
|
57
|
|
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