Air Quality
Excellent
No health implications.
10
PM2.5
17
PM10
21
O3
0.4
CO
3
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Sep
66
Good
Sat
20 Sep
65
Good
Sun
21 Sep
59
Good
Mon
22 Sep
78
Good
Tue
23 Sep
75
Good
Wed
24 Sep
74
Good
Thu
25 Sep
20
Excellent
Air quality in the last 12 months (Litong)
|
2025/08
|
37
|
41
|
37
|
78
|
44
|
44
|
45
|
24
|
33
|
42
|
50
|
45
|
50
|
28
|
37
|
27
|
25
|
26
|
39
|
115
|
23
|
36
|
21
|
30
|
25
|
28
|
22
|
30
|
23
|
25
|
37
|
|
2025/07
|
36
|
25
|
135
|
135
|
23
|
39
|
25
|
61
|
25
|
46
|
32
|
38
|
35
|
58
|
65
|
33
|
47
|
34
|
48
|
36
|
28
|
24
|
34
|
18
|
29
|
40
|
40
|
29
|
37
|
31
|
107
|
|
2025/06
|
51
|
52
|
29
|
28
|
32
|
57
|
63
|
52
|
62
|
41
|
53
|
70
|
60
|
58
|
53
|
56
|
53
|
53
|
46
|
36
|
43
|
49
|
44
|
33
|
47
|
27
|
27
|
38
|
63
|
24
|
|
|
2025/05
|
91
|
119
|
43
|
148
|
329
|
168
|
80
|
129
|
47
|
45
|
51
|
63
|
76
|
81
|
57
|
113
|
161
|
68
|
62
|
66
|
122
|
142
|
38
|
52
|
54
|
43
|
42
|
44
|
45
|
131
|
50
|
|
2025/04
|
72
|
72
|
156
|
88
|
59
|
131
|
103
|
139
|
74
|
85
|
298
|
181
|
76
|
42
|
141
|
178
|
144
|
93
|
128
|
154
|
201
|
79
|
69
|
59
|
62
|
68
|
56
|
56
|
119
|
301
|
|
|
2025/03
|
114
|
59
|
52
|
62
|
54
|
52
|
81
|
96
|
283
|
137
|
254
|
90
|
120
|
65
|
36
|
43
|
42
|
40
|
45
|
62
|
64
|
87
|
304
|
410
|
448
|
412
|
121
|
112
|
45
|
58
|
43
|
|
2025/02
|
94
|
32
|
33
|
39
|
36
|
97
|
42
|
41
|
65
|
73
|
91
|
56
|
66
|
68
|
80
|
104
|
83
|
80
|
45
|
65
|
67
|
48
|
45
|
64
|
74
|
79
|
82
|
97
|
|||
|
2025/01
|
76
|
77
|
70
|
126
|
99
|
48
|
53
|
56
|
50
|
52
|
94
|
178
|
293
|
38
|
44
|
49
|
68
|
57
|
58
|
69
|
113
|
93
|
99
|
110
|
73
|
50
|
50
|
73
|
98
|
103
|
114
|
|
2024/12
|
44
|
46
|
65
|
34
|
24
|
30
|
36
|
39
|
65
|
52
|
61
|
49
|
52
|
44
|
62
|
87
|
133
|
74
|
53
|
56
|
44
|
53
|
73
|
93
|
92
|
76
|
33
|
57
|
102
|
74
|
83
|
|
2024/11
|
64
|
59
|
83
|
63
|
90
|
107
|
107
|
60
|
66
|
64
|
69
|
58
|
61
|
60
|
82
|
34
|
50
|
38
|
58
|
72
|
94
|
58
|
92
|
53
|
54
|
67
|
60
|
36
|
32
|
41
|
|
|
2024/10
|
58
|
52
|
47
|
31
|
44
|
58
|
59
|
54
|
67
|
65
|
65
|
45
|
51
|
71
|
65
|
59
|
57
|
38
|
34
|
70
|
33
|
39
|
49
|
63
|
62
|
49
|
56
|
56
|
65
|
45
|
76
|
|
2024/09
|
39
|
32
|
39
|
39
|
39
|
21
|
24
|
36
|
45
|
47
|
26
|
36
|
26
|
28
|
16
|
32
|
42
|
51
|
74
|
36
|
41
|
38
|
61
|
72
|
58
|
66
|
65
|
70
|
76
|
63
|
|
|
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