Air Quality
Excellent
No health implications.
16
PM2.5
40
PM10
60
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
48
Excellent
Thu
21 May
63
Good
Fri
22 May
71
Good
Sat
23 May
81
Good
Sun
24 May
83
Good
Mon
25 May
80
Good
Tue
26 May
49
Excellent
Air quality in the last 12 months (Lieshan)
|
2026/04
|
79
|
67
|
49
|
62
|
81
|
72
|
56
|
42
|
43
|
50
|
54
|
50
|
30
|
49
|
53
|
49
|
67
|
78
|
53
|
61
|
61
|
35
|
41
|
47
|
58
|
58
|
70
|
54
|
45
|
55
|
|
|
2026/03
|
66
|
48
|
135
|
73
|
54
|
90
|
67
|
64
|
108
|
106
|
91
|
132
|
93
|
106
|
133
|
111
|
85
|
80
|
69
|
109
|
122
|
97
|
111
|
83
|
94
|
74
|
102
|
95
|
74
|
90
|
89
|
|
2026/02
|
96
|
135
|
132
|
112
|
145
|
77
|
59
|
63
|
64
|
91
|
123
|
111
|
95
|
87
|
107
|
59
|
175
|
130
|
107
|
80
|
62
|
337
|
122
|
41
|
67
|
48
|
58
|
64
|
|||
|
2026/01
|
59
|
71
|
103
|
108
|
212
|
160
|
68
|
77
|
75
|
102
|
62
|
76
|
111
|
175
|
142
|
133
|
70
|
52
|
44
|
46
|
70
|
100
|
110
|
124
|
103
|
68
|
129
|
83
|
76
|
61
|
67
|
|
2025/12
|
118
|
82
|
68
|
83
|
98
|
118
|
147
|
86
|
75
|
97
|
137
|
44
|
61
|
85
|
77
|
109
|
186
|
128
|
172
|
182
|
61
|
39
|
68
|
91
|
72
|
51
|
75
|
92
|
127
|
148
|
63
|
|
2025/11
|
104
|
87
|
74
|
128
|
79
|
49
|
51
|
68
|
105
|
72
|
51
|
49
|
116
|
196
|
176
|
155
|
42
|
53
|
90
|
76
|
165
|
131
|
103
|
141
|
68
|
90
|
268
|
141
|
92
|
131
|
|
|
2025/10
|
27
|
11
|
12
|
24
|
39
|
33
|
42
|
42
|
27
|
37
|
28
|
24
|
20
|
45
|
28
|
17
|
11
|
20
|
22
|
28
|
29
|
43
|
52
|
52
|
81
|
79
|
92
|
81
|
69
|
51
|
149
|
|
2025/09
|
26
|
25
|
29
|
35
|
35
|
38
|
51
|
29
|
36
|
35
|
33
|
16
|
54
|
46
|
36
|
41
|
25
|
28
|
14
|
38
|
40
|
18
|
18
|
14
|
34
|
30
|
19
|
17
|
36
|
38
|
|
|
2025/08
|
16
|
19
|
33
|
45
|
41
|
43
|
26
|
21
|
30
|
21
|
15
|
25
|
29
|
26
|
45
|
43
|
44
|
54
|
50
|
45
|
37
|
33
|
33
|
30
|
31
|
33
|
35
|
43
|
44
|
40
|
32
|
|
2025/07
|
34
|
28
|
41
|
31
|
37
|
46
|
41
|
33
|
22
|
49
|
55
|
40
|
48
|
41
|
51
|
52
|
48
|
44
|
43
|
36
|
33
|
29
|
37
|
34
|
33
|
33
|
27
|
25
|
28
|
34
|
32
|
|
2025/06
|
35
|
26
|
57
|
63
|
56
|
44
|
27
|
40
|
38
|
65
|
57
|
47
|
59
|
58
|
57
|
65
|
60
|
41
|
24
|
25
|
44
|
48
|
49
|
46
|
52
|
30
|
41
|
26
|
17
|
24
|
|
|
2025/05
|
60
|
84
|
37
|
50
|
43
|
84
|
80
|
50
|
21
|
23
|
45
|
51
|
50
|
58
|
90
|
79
|
101
|
77
|
78
|
64
|
52
|
58
|
73
|
59
|
53
|
54
|
53
|
49
|
60
|
67
|
72
|
|
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