Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
175
*
PM2.5
221
PM10
48
O3
1.0
CO
21
SO2
32
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
16 Feb
90
Good
Tue
17 Feb
105
Light
Wed
18 Feb
95
Good
Thu
19 Feb
89
Good
Fri
20 Feb
55
Good
Sat
21 Feb
56
Good
Sun
22 Feb
31
Excellent
Air quality in the last 12 months (Menglian)
|
2026/01
|
54
|
48
|
45
|
42
|
44
|
48
|
44
|
42
|
45
|
48
|
47
|
49
|
51
|
51
|
54
|
54
|
51
|
54
|
61
|
58
|
48
|
49
|
50
|
52
|
53
|
54
|
52
|
54
|
55
|
54
|
51
|
|
2025/12
|
47
|
49
|
47
|
43
|
41
|
43
|
47
|
38
|
39
|
44
|
43
|
42
|
43
|
41
|
41
|
39
|
41
|
35
|
36
|
41
|
41
|
45
|
43
|
45
|
42
|
43
|
45
|
45
|
44
|
43
|
49
|
|
2025/11
|
27
|
21
|
19
|
19
|
22
|
23
|
25
|
27
|
22
|
21
|
25
|
30
|
27
|
28
|
30
|
31
|
31
|
27
|
21
|
25
|
26
|
28
|
31
|
32
|
34
|
38
|
43
|
46
|
48
|
47
|
|
|
2025/10
|
18
|
19
|
21
|
30
|
23
|
23
|
21
|
18
|
22
|
24
|
23
|
30
|
29
|
26
|
25
|
23
|
21
|
26
|
27
|
31
|
33
|
30
|
29
|
28
|
26
|
25
|
27
|
29
|
33
|
31
|
31
|
|
2025/09
|
21
|
27
|
25
|
21
|
26
|
24
|
25
|
26
|
27
|
23
|
20
|
20
|
18
|
19
|
18
|
21
|
22
|
24
|
24
|
26
|
25
|
23
|
24
|
22
|
25
|
27
|
22
|
24
|
26
|
19
|
|
|
2025/08
|
20
|
24
|
21
|
20
|
23
|
19
|
15
|
19
|
19
|
21
|
26
|
24
|
25
|
24
|
24
|
22
|
23
|
20
|
25
|
21
|
20
|
17
|
18
|
23
|
21
|
26
|
21
|
19
|
18
|
23
|
23
|
|
2025/07
|
21
|
17
|
19
|
19
|
17
|
19
|
19
|
21
|
26
|
26
|
19
|
22
|
24
|
19
|
18
|
17
|
18
|
15
|
19
|
21
|
21
|
22
|
24
|
17
|
13
|
16
|
15
|
19
|
23
|
19
|
23
|
|
2025/06
|
19
|
20
|
30
|
50
|
48
|
46
|
34
|
31
|
30
|
20
|
33
|
42
|
40
|
31
|
19
|
17
|
14
|
15
|
20
|
27
|
26
|
18
|
16
|
19
|
24
|
22
|
20
|
14
|
16
|
24
|
|
|
2025/05
|
30
|
23
|
29
|
30
|
34
|
40
|
50
|
51
|
56
|
57
|
45
|
32
|
35
|
35
|
29
|
32
|
30
|
28
|
32
|
34
|
31
|
33
|
32
|
36
|
18
|
15
|
25
|
22
|
19
|
20
|
18
|
|
2025/04
|
112
|
77
|
69
|
103
|
115
|
102
|
92
|
84
|
86
|
79
|
75
|
70
|
34
|
40
|
38
|
33
|
26
|
32
|
43
|
42
|
42
|
47
|
60
|
66
|
72
|
87
|
87
|
77
|
44
|
33
|
|
|
2025/03
|
51
|
66
|
62
|
69
|
79
|
82
|
75
|
64
|
59
|
56
|
69
|
73
|
84
|
80
|
80
|
88
|
94
|
67
|
38
|
44
|
64
|
74
|
71
|
61
|
62
|
66
|
85
|
119
|
131
|
120
|
133
|
|
2025/02
|
74
|
83
|
74
|
59
|
56
|
69
|
66
|
54
|
44
|
46
|
51
|
54
|
60
|
64
|
75
|
72
|
62
|
60
|
66
|
70
|
63
|
69
|
65
|
50
|
43
|
41
|
47
|
55
|
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7
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9
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10
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11
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12
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13
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14
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15
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16
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17
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19
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20
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21
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22
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23
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24
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25
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26
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27
|
28
|
29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution