Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
72
*
PM2.5
107
PM10
95
O3
0.9
CO
5
SO2
26
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
1 Apr
116
Light
Thu
2 Apr
105
Light
Fri
3 Apr
97
Good
Sat
4 Apr
75
Good
Sun
5 Apr
90
Good
Mon
6 Apr
102
Light
Tue
7 Apr
48
Excellent
Siyang Air quality rank
Air quality in the last 12 months (Siyang)
|
2026/02
|
82
|
99
|
94
|
122
|
149
|
48
|
51
|
49
|
45
|
82
|
145
|
119
|
89
|
94
|
100
|
39
|
114
|
122
|
79
|
68
|
47
|
209
|
67
|
37
|
69
|
26
|
41
|
60
|
|||
|
2026/01
|
60
|
49
|
69
|
90
|
142
|
129
|
80
|
66
|
70
|
87
|
53
|
69
|
114
|
150
|
174
|
203
|
58
|
43
|
28
|
39
|
51
|
67
|
90
|
132
|
86
|
37
|
85
|
62
|
52
|
42
|
48
|
|
2025/12
|
90
|
53
|
42
|
63
|
62
|
92
|
123
|
61
|
66
|
70
|
116
|
36
|
61
|
79
|
71
|
85
|
103
|
79
|
125
|
124
|
42
|
35
|
41
|
91
|
57
|
33
|
53
|
83
|
124
|
118
|
35
|
|
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
|
|
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