Air Quality
Excellent
No health implications.
4
PM2.5
17
PM10
17
O3
0.5
CO
3
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
42
Excellent
Sat
27 Apr
42
Excellent
Sun
28 Apr
41
Excellent
Mon
29 Apr
40
Excellent
Tue
30 Apr
40
Excellent
Wed
1 May
40
Excellent
Air quality in the last 12 months (Meixian)
|
2024/02
|
40
|
31
|
25
|
27
|
15
|
28
|
12
|
14
|
31
|
109
|
74
|
57
|
65
|
63
|
54
|
29
|
47
|
41
|
39
|
36
|
29
|
29
|
16
|
16
|
20
|
23
|
15
|
39
|
19
|
||
|
2024/01
|
90
|
76
|
31
|
38
|
52
|
55
|
59
|
85
|
66
|
27
|
38
|
48
|
57
|
58
|
50
|
65
|
53
|
49
|
42
|
34
|
16
|
16
|
20
|
26
|
40
|
38
|
45
|
44
|
44
|
45
|
39
|
|
2023/12
|
32
|
39
|
46
|
35
|
19
|
23
|
33
|
44
|
57
|
55
|
47
|
23
|
33
|
60
|
45
|
18
|
23
|
38
|
12
|
19
|
21
|
40
|
38
|
42
|
42
|
47
|
51
|
58
|
45
|
59
|
57
|
|
2023/11
|
38
|
42
|
52
|
59
|
49
|
37
|
44
|
60
|
50
|
48
|
20
|
12
|
13
|
18
|
29
|
30
|
58
|
60
|
58
|
50
|
48
|
51
|
58
|
49
|
53
|
47
|
60
|
53
|
54
|
52
|
|
|
2023/10
|
34
|
26
|
36
|
34
|
26
|
28
|
14
|
12
|
15
|
11
|
14
|
23
|
24
|
36
|
45
|
44
|
51
|
69
|
58
|
28
|
17
|
21
|
35
|
41
|
42
|
54
|
34
|
23
|
27
|
33
|
37
|
|
2023/09
|
16
|
18
|
20
|
27
|
18
|
14
|
15
|
20
|
22
|
27
|
26
|
23
|
27
|
28
|
15
|
24
|
24
|
31
|
41
|
44
|
44
|
40
|
24
|
32
|
31
|
35
|
35
|
35
|
30
|
31
|
|
|
2023/08
|
18
|
23
|
29
|
29
|
25
|
27
|
26
|
29
|
29
|
26
|
22
|
24
|
26
|
22
|
26
|
28
|
27
|
29
|
31
|
25
|
21
|
22
|
18
|
18
|
25
|
23
|
20
|
24
|
22
|
19
|
17
|
|
2023/07
|
24
|
18
|
19
|
18
|
19
|
21
|
23
|
29
|
33
|
35
|
28
|
23
|
32
|
31
|
41
|
25
|
15
|
13
|
13
|
23
|
25
|
23
|
25
|
25
|
31
|
24
|
18
|
18
|
24
|
21
|
23
|
|
2023/06
|
39
|
35
|
27
|
23
|
28
|
26
|
23
|
24
|
24
|
17
|
29
|
37
|
37
|
27
|
22
|
21
|
18
|
22
|
16
|
23
|
21
|
22
|
19
|
21
|
25
|
17
|
15
|
19
|
22
|
20
|
|
|
2023/05
|
53
|
48
|
42
|
29
|
26
|
23
|
22
|
27
|
27
|
46
|
40
|
28
|
32
|
41
|
40
|
45
|
22
|
32
|
36
|
28
|
27
|
28
|
31
|
37
|
47
|
43
|
39
|
46
|
45
|
40
|
34
|
|
2023/04
|
20
|
43
|
43
|
36
|
37
|
26
|
26
|
51
|
58
|
55
|
53
|
55
|
48
|
55
|
34
|
49
|
56
|
49
|
34
|
28
|
29
|
33
|
42
|
28
|
14
|
19
|
36
|
48
|
40
|
64
|
|
|
2023/03
|
55
|
67
|
80
|
57
|
59
|
57
|
59
|
62
|
55
|
57
|
52
|
55
|
71
|
70
|
62
|
62
|
47
|
56
|
47
|
57
|
54
|
42
|
40
|
21
|
21
|
16
|
16
|
19
|
19
|
22
|
22
|
|
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