Air Quality
Excellent
No health implications.
23
PM2.5
40
PM10
9
O3
0.5
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
49
Excellent
Fri
18 Jul
49
Excellent
Sat
19 Jul
51
Good
Sun
20 Jul
50
Excellent
Mon
21 Jul
53
Good
Tue
22 Jul
45
Excellent
Wed
23 Jul
46
Excellent
Air quality in the last 12 months (Meixian)
|
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
|
|
2024/11
|
22
|
24
|
37
|
38
|
38
|
42
|
39
|
36
|
38
|
47
|
50
|
34
|
27
|
27
|
30
|
18
|
24
|
23
|
16
|
13
|
17
|
22
|
28
|
34
|
26
|
17
|
25
|
31
|
42
|
47
|
|
|
2024/10
|
20
|
19
|
29
|
30
|
33
|
33
|
32
|
36
|
31
|
27
|
33
|
46
|
43
|
45
|
45
|
31
|
35
|
39
|
37
|
32
|
24
|
27
|
18
|
31
|
33
|
42
|
54
|
12
|
19
|
28
|
30
|
|
2024/09
|
26
|
29
|
27
|
21
|
22
|
15
|
15
|
18
|
18
|
23
|
32
|
36
|
32
|
30
|
16
|
22
|
20
|
23
|
29
|
24
|
12
|
13
|
10
|
18
|
24
|
25
|
29
|
25
|
29
|
23
|
|
|
2024/08
|
19
|
25
|
28
|
30
|
29
|
26
|
33
|
33
|
39
|
41
|
25
|
26
|
17
|
16
|
17
|
18
|
19
|
13
|
15
|
12
|
10
|
17
|
20
|
23
|
20
|
28
|
42
|
29
|
24
|
29
|
26
|
|
2024/07
|
23
|
19
|
20
|
21
|
22
|
22
|
17
|
20
|
23
|
22
|
19
|
13
|
20
|
23
|
16
|
18
|
16
|
18
|
20
|
20
|
20
|
21
|
23
|
24
|
27
|
15
|
11
|
12
|
16
|
18
|
16
|
|
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