Air Quality
Excellent
No health implications.
12
PM2.5
24
PM10
117
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
86
Good
Mon
2 Jun
91
Good
Tue
3 Jun
101
Light
Wed
4 Jun
107
Light
Thu
5 Jun
111
Light
Fri
6 Jun
115
Light
Sat
7 Jun
22
Excellent
Air quality in the last 12 months (Si County)
|
2025/04
|
62
|
58
|
50
|
73
|
72
|
68
|
65
|
81
|
82
|
83
|
74
|
181
|
89
|
65
|
52
|
63
|
73
|
80
|
78
|
55
|
53
|
76
|
84
|
81
|
63
|
55
|
55
|
58
|
56
|
60
|
|
|
2025/03
|
107
|
52
|
42
|
68
|
93
|
76
|
78
|
96
|
94
|
81
|
117
|
158
|
98
|
54
|
56
|
44
|
54
|
49
|
57
|
59
|
57
|
63
|
76
|
111
|
95
|
76
|
111
|
126
|
86
|
65
|
58
|
|
2025/02
|
88
|
96
|
116
|
87
|
61
|
55
|
62
|
40
|
51
|
65
|
95
|
114
|
61
|
86
|
108
|
99
|
56
|
59
|
66
|
46
|
50
|
71
|
64
|
58
|
76
|
114
|
114
|
121
|
|||
|
2025/01
|
93
|
143
|
87
|
105
|
151
|
84
|
56
|
76
|
42
|
54
|
85
|
96
|
101
|
132
|
65
|
72
|
112
|
116
|
147
|
143
|
172
|
137
|
58
|
46
|
45
|
91
|
39
|
70
|
141
|
96
|
111
|
|
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
|
|
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