Air Quality
Excellent
No health implications.
4
PM2.5
7
PM10
28
O3
0.8
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Dec
54
Good
Fri
26 Dec
55
Good
Sat
27 Dec
59
Good
Sun
28 Dec
59
Good
Mon
29 Dec
53
Good
Tue
30 Dec
55
Good
Wed
31 Dec
17
Excellent
Air quality in the last 12 months (Meixian)
|
2025/11
|
38
|
38
|
33
|
20
|
16
|
28
|
29
|
48
|
29
|
13
|
24
|
13
|
12
|
26
|
46
|
48
|
40
|
35
|
25
|
41
|
40
|
48
|
54
|
45
|
45
|
59
|
54
|
61
|
55
|
51
|
|
|
2025/10
|
43
|
29
|
34
|
31
|
19
|
20
|
26
|
39
|
39
|
37
|
30
|
31
|
26
|
24
|
24
|
22
|
29
|
32
|
30
|
17
|
9
|
8
|
21
|
32
|
34
|
30
|
49
|
56
|
23
|
30
|
28
|
|
2025/09
|
23
|
25
|
28
|
24
|
27
|
40
|
25
|
12
|
13
|
19
|
18
|
24
|
26
|
28
|
28
|
29
|
37
|
20
|
18
|
8
|
11
|
19
|
23
|
10
|
16
|
27
|
30
|
28
|
32
|
31
|
|
|
2025/08
|
22
|
22
|
17
|
19
|
13
|
21
|
23
|
25
|
35
|
23
|
22
|
22
|
29
|
9
|
16
|
20
|
22
|
19
|
19
|
19
|
23
|
23
|
24
|
19
|
28
|
19
|
15
|
25
|
25
|
27
|
27
|
|
2025/07
|
16
|
20
|
38
|
35
|
23
|
22
|
33
|
32
|
31
|
14
|
15
|
17
|
26
|
26
|
34
|
35
|
38
|
19
|
20
|
14
|
11
|
10
|
20
|
24
|
24
|
25
|
25
|
25
|
18
|
23
|
19
|
|
2025/06
|
23
|
28
|
15
|
27
|
41
|
43
|
39
|
35
|
32
|
29
|
18
|
26
|
23
|
17
|
15
|
14
|
12
|
20
|
21
|
19
|
15
|
17
|
18
|
21
|
27
|
19
|
20
|
20
|
20
|
15
|
|
|
2025/05
|
50
|
52
|
51
|
49
|
28
|
26
|
24
|
31
|
24
|
31
|
24
|
31
|
37
|
37
|
37
|
26
|
23
|
22
|
22
|
25
|
26
|
29
|
21
|
21
|
37
|
26
|
36
|
33
|
15
|
13
|
27
|
|
2025/04
|
15
|
29
|
44
|
53
|
34
|
49
|
57
|
57
|
51
|
38
|
42
|
77
|
112
|
95
|
78
|
77
|
57
|
49
|
32
|
29
|
31
|
38
|
32
|
25
|
12
|
14
|
27
|
24
|
40
|
51
|
|
|
2025/03
|
40
|
36
|
37
|
19
|
11
|
12
|
15
|
25
|
37
|
54
|
47
|
32
|
31
|
28
|
18
|
12
|
48
|
32
|
38
|
40
|
48
|
53
|
60
|
67
|
76
|
58
|
40
|
34
|
9
|
8
|
9
|
|
2025/02
|
54
|
36
|
9
|
23
|
36
|
33
|
17
|
45
|
34
|
48
|
54
|
56
|
38
|
39
|
42
|
41
|
35
|
32
|
38
|
47
|
21
|
25
|
9
|
20
|
48
|
54
|
58
|
45
|
|||
|
2025/01
|
82
|
68
|
59
|
49
|
61
|
64
|
61
|
65
|
55
|
38
|
44
|
48
|
45
|
50
|
52
|
57
|
45
|
51
|
53
|
53
|
54
|
65
|
55
|
50
|
43
|
17
|
27
|
72
|
143
|
71
|
52
|
|
2024/12
|
52
|
43
|
58
|
53
|
50
|
56
|
38
|
23
|
47
|
41
|
40
|
21
|
26
|
59
|
43
|
44
|
51
|
43
|
43
|
56
|
47
|
49
|
60
|
59
|
74
|
65
|
68
|
74
|
68
|
66
|
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