Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
57
*
PM2.5
71
PM10
37
O3
0.7
CO
6
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
13 Dec
58
Good
Sun
14 Dec
87
Good
Mon
15 Dec
84
Good
Tue
16 Dec
106
Light
Wed
17 Dec
131
Light
Thu
18 Dec
127
Light
Fri
19 Dec
20
Excellent
Air quality in the last 12 months (Siyang)
|
2025/11
|
178
|
98
|
41
|
54
|
43
|
47
|
50
|
22
|
82
|
59
|
39
|
53
|
102
|
139
|
129
|
110
|
36
|
50
|
62
|
69
|
130
|
136
|
114
|
112
|
67
|
73
|
205
|
140
|
93
|
114
|
|
|
2025/10
|
42
|
33
|
20
|
33
|
44
|
55
|
33
|
36
|
27
|
57
|
63
|
28
|
18
|
45
|
23
|
20
|
28
|
24
|
30
|
28
|
25
|
32
|
41
|
50
|
67
|
77
|
59
|
44
|
34
|
30
|
79
|
|
2025/09
|
21
|
22
|
27
|
26
|
34
|
33
|
49
|
34
|
28
|
27
|
28
|
22
|
26
|
32
|
40
|
38
|
18
|
18
|
14
|
28
|
36
|
21
|
34
|
15
|
30
|
26
|
26
|
35
|
51
|
44
|
|
|
2025/08
|
14
|
11
|
26
|
32
|
24
|
37
|
24
|
25
|
24
|
13
|
13
|
19
|
24
|
32
|
29
|
31
|
34
|
35
|
36
|
32
|
43
|
37
|
30
|
23
|
16
|
24
|
28
|
35
|
39
|
30
|
14
|
|
2025/07
|
33
|
27
|
36
|
35
|
38
|
39
|
42
|
17
|
26
|
52
|
45
|
33
|
37
|
27
|
40
|
37
|
32
|
44
|
32
|
26
|
20
|
25
|
22
|
23
|
28
|
26
|
25
|
17
|
22
|
21
|
16
|
|
2025/06
|
30
|
14
|
52
|
66
|
65
|
61
|
45
|
45
|
36
|
48
|
46
|
33
|
53
|
31
|
35
|
55
|
40
|
49
|
22
|
12
|
21
|
39
|
33
|
32
|
34
|
58
|
29
|
25
|
18
|
21
|
|
|
2025/05
|
57
|
62
|
45
|
42
|
34
|
66
|
65
|
45
|
13
|
27
|
45
|
47
|
53
|
68
|
75
|
39
|
70
|
55
|
76
|
62
|
44
|
63
|
65
|
58
|
53
|
59
|
56
|
49
|
46
|
56
|
68
|
|
2025/04
|
56
|
54
|
44
|
76
|
62
|
61
|
65
|
79
|
83
|
67
|
78
|
138
|
80
|
61
|
49
|
60
|
68
|
79
|
83
|
50
|
45
|
54
|
76
|
81
|
59
|
49
|
55
|
48
|
55
|
61
|
|
|
2025/03
|
97
|
36
|
37
|
58
|
88
|
70
|
80
|
102
|
98
|
74
|
119
|
141
|
87
|
54
|
46
|
39
|
50
|
42
|
49
|
61
|
57
|
59
|
73
|
98
|
100
|
86
|
111
|
103
|
76
|
56
|
57
|
|
2025/02
|
66
|
99
|
105
|
65
|
59
|
51
|
52
|
37
|
53
|
69
|
90
|
107
|
52
|
88
|
108
|
109
|
47
|
52
|
49
|
40
|
44
|
63
|
55
|
61
|
83
|
118
|
148
|
150
|
|||
|
2025/01
|
86
|
141
|
70
|
83
|
150
|
90
|
57
|
78
|
44
|
53
|
84
|
114
|
103
|
138
|
61
|
71
|
114
|
118
|
153
|
167
|
180
|
104
|
53
|
41
|
45
|
100
|
43
|
66
|
123
|
108
|
99
|
|
2024/12
|
83
|
111
|
54
|
92
|
148
|
185
|
125
|
45
|
64
|
94
|
70
|
58
|
102
|
68
|
81
|
99
|
142
|
56
|
71
|
98
|
95
|
58
|
75
|
105
|
132
|
108
|
73
|
69
|
71
|
109
|
85
|
|
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