Air Quality
Excellent
No health implications.
26
PM2.5
29
PM10
21
O3
0.5
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
58
Good
Sun
20 Apr
59
Good
Mon
21 Apr
52
Good
Tue
22 Apr
84
Good
Wed
23 Apr
89
Good
Thu
24 Apr
65
Good
Fri
25 Apr
26
Excellent
Menglian Air quality rank
Air quality in the last 12 months (Menglian)
|
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
|
|||
|
2025/01
|
44
|
40
|
41
|
46
|
54
|
57
|
52
|
48
|
51
|
53
|
57
|
42
|
47
|
48
|
49
|
49
|
51
|
50
|
49
|
46
|
45
|
47
|
50
|
43
|
40
|
51
|
34
|
51
|
82
|
63
|
58
|
|
2024/12
|
32
|
32
|
35
|
34
|
34
|
37
|
41
|
42
|
43
|
42
|
46
|
49
|
41
|
40
|
27
|
29
|
33
|
33
|
37
|
40
|
41
|
49
|
38
|
44
|
45
|
45
|
47
|
49
|
42
|
42
|
43
|
|
2024/11
|
37
|
38
|
40
|
37
|
34
|
28
|
27
|
15
|
20
|
24
|
25
|
29
|
28
|
25
|
27
|
30
|
34
|
32
|
35
|
34
|
30
|
24
|
33
|
36
|
36
|
34
|
32
|
26
|
25
|
25
|
|
|
2024/10
|
18
|
12
|
17
|
19
|
20
|
24
|
28
|
27
|
27
|
25
|
25
|
25
|
30
|
35
|
36
|
34
|
26
|
37
|
41
|
36
|
27
|
28
|
29
|
32
|
30
|
33
|
37
|
39
|
40
|
39
|
39
|
|
2024/09
|
21
|
24
|
23
|
24
|
22
|
21
|
28
|
25
|
20
|
16
|
14
|
16
|
23
|
20
|
26
|
26
|
26
|
22
|
26
|
33
|
37
|
32
|
28
|
28
|
30
|
26
|
21
|
20
|
21
|
20
|
|
|
2024/08
|
13
|
12
|
16
|
19
|
16
|
15
|
15
|
22
|
19
|
18
|
18
|
20
|
24
|
23
|
24
|
24
|
23
|
18
|
17
|
15
|
16
|
13
|
14
|
14
|
15
|
18
|
17
|
18
|
18
|
20
|
17
|
|
2024/07
|
16
|
17
|
18
|
13
|
17
|
19
|
17
|
20
|
16
|
17
|
11
|
14
|
24
|
17
|
16
|
21
|
22
|
21
|
16
|
14
|
12
|
12
|
13
|
16
|
16
|
15
|
16
|
16
|
16
|
14
|
15
|
|
2024/06
|
39
|
28
|
30
|
33
|
38
|
25
|
22
|
23
|
30
|
34
|
33
|
21
|
17
|
17
|
23
|
29
|
37
|
29
|
30
|
30
|
26
|
23
|
23
|
20
|
17
|
17
|
14
|
17
|
20
|
16
|
|
|
2024/05
|
77
|
60
|
50
|
62
|
70
|
61
|
65
|
58
|
57
|
38
|
32
|
42
|
45
|
49
|
48
|
45
|
40
|
38
|
43
|
54
|
32
|
36
|
31
|
27
|
19
|
18
|
20
|
19
|
33
|
43
|
48
|
|
2024/04
|
85
|
83
|
93
|
85
|
83
|
113
|
108
|
107
|
102
|
85
|
83
|
88
|
82
|
97
|
101
|
93
|
95
|
54
|
72
|
62
|
59
|
64
|
69
|
74
|
59
|
64
|
74
|
69
|
78
|
85
|
|
|
2024/03
|
57
|
59
|
66
|
60
|
53
|
48
|
54
|
78
|
83
|
85
|
78
|
84
|
88
|
86
|
83
|
100
|
112
|
86
|
81
|
81
|
64
|
38
|
42
|
53
|
47
|
61
|
75
|
81
|
79
|
102
|
105
|
|
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