Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
40
PM2.5
83
*
PM10
12
O3
0.7
CO
6
SO2
63
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Jan
74
Good
Thu
16 Jan
97
Good
Fri
17 Jan
141
Light
Sat
18 Jan
137
Light
Sun
19 Jan
164
Moderate
Mon
20 Jan
169
Moderate
Tue
21 Jan
50
Excellent
Si County Air quality rank
Air quality in the last 12 months (Si County)
|
2024/12
|
84
|
115
|
56
|
86
|
126
|
164
|
121
|
44
|
62
|
94
|
86
|
66
|
95
|
74
|
80
|
99
|
141
|
65
|
65
|
88
|
85
|
59
|
75
|
108
|
134
|
130
|
79
|
73
|
68
|
104
|
105
|
|
2024/11
|
51
|
99
|
102
|
77
|
52
|
65
|
47
|
42
|
56
|
50
|
68
|
79
|
104
|
86
|
78
|
58
|
36
|
37
|
35
|
51
|
70
|
76
|
43
|
48
|
34
|
45
|
70
|
61
|
61
|
75
|
|
|
2024/10
|
29
|
39
|
43
|
38
|
37
|
26
|
17
|
50
|
47
|
67
|
79
|
91
|
63
|
74
|
85
|
76
|
36
|
21
|
39
|
44
|
58
|
67
|
61
|
51
|
62
|
55
|
80
|
70
|
65
|
69
|
62
|
|
2024/09
|
45
|
38
|
33
|
37
|
50
|
39
|
35
|
30
|
29
|
34
|
33
|
20
|
32
|
50
|
33
|
40
|
14
|
26
|
24
|
24
|
28
|
35
|
37
|
47
|
48
|
47
|
52
|
33
|
40
|
42
|
|
|
2024/08
|
21
|
18
|
25
|
31
|
30
|
21
|
25
|
23
|
40
|
44
|
86
|
52
|
46
|
32
|
27
|
26
|
28
|
30
|
28
|
23
|
38
|
45
|
42
|
43
|
43
|
38
|
13
|
23
|
29
|
30
|
36
|
|
2024/07
|
29
|
29
|
35
|
13
|
23
|
23
|
27
|
25
|
22
|
57
|
67
|
44
|
26
|
19
|
19
|
40
|
28
|
15
|
28
|
20
|
24
|
29
|
35
|
43
|
27
|
21
|
16
|
15
|
18
|
21
|
25
|
|
2024/06
|
45
|
45
|
64
|
58
|
58
|
39
|
42
|
54
|
66
|
54
|
46
|
57
|
59
|
69
|
45
|
56
|
45
|
46
|
49
|
38
|
39
|
37
|
46
|
82
|
83
|
52
|
49
|
29
|
15
|
26
|
|
|
2024/05
|
45
|
40
|
49
|
46
|
46
|
55
|
56
|
49
|
46
|
51
|
85
|
137
|
101
|
68
|
67
|
50
|
60
|
63
|
50
|
48
|
35
|
40
|
50
|
56
|
41
|
56
|
38
|
40
|
47
|
42
|
51
|
|
2024/04
|
82
|
62
|
56
|
41
|
58
|
58
|
70
|
52
|
60
|
69
|
58
|
68
|
42
|
40
|
40
|
76
|
112
|
94
|
70
|
63
|
53
|
57
|
67
|
76
|
64
|
62
|
46
|
31
|
33
|
55
|
|
|
2024/03
|
54
|
64
|
72
|
80
|
31
|
63
|
94
|
78
|
69
|
107
|
88
|
92
|
67
|
64
|
80
|
97
|
136
|
68
|
85
|
91
|
75
|
69
|
73
|
51
|
42
|
64
|
80
|
69
|
57
|
86
|
83
|
|
2024/02
|
33
|
42
|
59
|
61
|
76
|
94
|
143
|
197
|
171
|
247
|
218
|
72
|
56
|
72
|
42
|
38
|
47
|
45
|
60
|
26
|
35
|
35
|
41
|
83
|
113
|
84
|
66
|
61
|
56
|
||
|
2024/01
|
125
|
120
|
142
|
83
|
115
|
169
|
55
|
52
|
123
|
97
|
125
|
171
|
197
|
186
|
44
|
41
|
47
|
73
|
64
|
82
|
71
|
33
|
39
|
63
|
80
|
86
|
99
|
113
|
131
|
144
|
65
|
|
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