Air Quality
Excellent
No health implications.
18
PM2.5
31
PM10
108
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
122
Light
Fri
18 Jul
117
Light
Sat
19 Jul
130
Light
Sun
20 Jul
90
Good
Mon
21 Jul
55
Good
Tue
22 Jul
37
Excellent
Wed
23 Jul
28
Excellent
Song County Air quality rank
Air quality in the last 12 months (Song County)
|
2025/06
|
44
|
47
|
45
|
42
|
42
|
43
|
43
|
51
|
48
|
61
|
59
|
51
|
48
|
40
|
41
|
52
|
50
|
21
|
20
|
34
|
33
|
44
|
37
|
45
|
40
|
22
|
31
|
23
|
31
|
26
|
|
|
2025/05
|
73
|
82
|
63
|
57
|
115
|
236
|
149
|
92
|
86
|
47
|
42
|
49
|
57
|
60
|
53
|
55
|
115
|
102
|
87
|
65
|
72
|
66
|
79
|
61
|
54
|
47
|
70
|
71
|
71
|
52
|
40
|
|
2025/04
|
67
|
65
|
65
|
84
|
69
|
78
|
73
|
86
|
96
|
93
|
86
|
265
|
108
|
66
|
53
|
92
|
105
|
100
|
71
|
84
|
63
|
159
|
120
|
71
|
73
|
74
|
63
|
50
|
49
|
98
|
|
|
2025/03
|
107
|
34
|
37
|
49
|
76
|
94
|
80
|
78
|
97
|
95
|
85
|
119
|
135
|
75
|
45
|
44
|
40
|
47
|
47
|
41
|
47
|
62
|
81
|
153
|
84
|
142
|
123
|
144
|
86
|
58
|
66
|
|
2025/02
|
116
|
120
|
65
|
47
|
44
|
53
|
74
|
35
|
71
|
106
|
128
|
70
|
65
|
77
|
75
|
72
|
83
|
96
|
79
|
86
|
116
|
130
|
121
|
109
|
82
|
73
|
99
|
135
|
|||
|
2025/01
|
123
|
168
|
161
|
159
|
99
|
63
|
56
|
52
|
66
|
75
|
70
|
66
|
89
|
75
|
46
|
54
|
73
|
102
|
103
|
106
|
157
|
227
|
101
|
92
|
87
|
69
|
47
|
94
|
188
|
173
|
151
|
|
2024/12
|
58
|
63
|
68
|
105
|
54
|
61
|
55
|
67
|
103
|
123
|
125
|
140
|
66
|
52
|
51
|
76
|
100
|
96
|
88
|
92
|
51
|
79
|
107
|
126
|
99
|
117
|
101
|
46
|
72
|
73
|
75
|
|
2024/11
|
81
|
69
|
72
|
60
|
52
|
86
|
118
|
96
|
88
|
122
|
173
|
205
|
139
|
61
|
87
|
54
|
27
|
51
|
42
|
48
|
52
|
102
|
154
|
100
|
46
|
38
|
60
|
52
|
39
|
48
|
|
|
2024/10
|
58
|
54
|
59
|
75
|
80
|
89
|
101
|
137
|
119
|
64
|
93
|
125
|
121
|
103
|
93
|
153
|
88
|
21
|
28
|
30
|
45
|
28
|
39
|
57
|
96
|
80
|
46
|
117
|
133
|
132
|
167
|
|
2024/09
|
38
|
31
|
41
|
45
|
43
|
31
|
48
|
61
|
55
|
48
|
26
|
33
|
38
|
55
|
34
|
51
|
49
|
45
|
25
|
35
|
25
|
32
|
52
|
69
|
68
|
95
|
100
|
62
|
51
|
18
|
|
|
2024/08
|
24
|
25
|
23
|
18
|
26
|
20
|
27
|
31
|
33
|
107
|
61
|
28
|
35
|
35
|
45
|
49
|
42
|
31
|
28
|
27
|
22
|
31
|
49
|
47
|
41
|
37
|
23
|
28
|
43
|
43
|
36
|
|
2024/07
|
32
|
25
|
45
|
21
|
21
|
19
|
31
|
18
|
31
|
57
|
40
|
41
|
47
|
59
|
36
|
37
|
24
|
17
|
24
|
29
|
32
|
27
|
32
|
40
|
62
|
37
|
31
|
31
|
16
|
15
|
14
|
|
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