Air Quality
Excellent
No health implications.
13
PM2.5
22
PM10
52
O3
0.6
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Mar
55
Good
Tue
24 Mar
53
Good
Wed
25 Mar
57
Good
Thu
26 Mar
56
Good
Fri
27 Mar
50
Excellent
Sat
28 Mar
50
Excellent
Sun
29 Mar
31
Excellent
Dayao Air quality rank
Air quality in the last 12 months (Dayao)
|
2026/02
|
33
|
30
|
29
|
27
|
26
|
26
|
32
|
38
|
33
|
24
|
29
|
27
|
26
|
30
|
43
|
55
|
80
|
46
|
47
|
33
|
31
|
34
|
39
|
44
|
48
|
56
|
43
|
48
|
|||
|
2026/01
|
37
|
33
|
29
|
24
|
28
|
36
|
37
|
31
|
32
|
38
|
39
|
35
|
40
|
46
|
35
|
31
|
48
|
45
|
39
|
35
|
34
|
43
|
50
|
40
|
38
|
37
|
38
|
40
|
35
|
29
|
38
|
|
2025/12
|
39
|
38
|
45
|
35
|
30
|
29
|
31
|
37
|
35
|
35
|
39
|
37
|
41
|
43
|
37
|
32
|
40
|
39
|
40
|
39
|
34
|
33
|
42
|
35
|
41
|
41
|
40
|
36
|
32
|
29
|
25
|
|
2025/11
|
21
|
14
|
10
|
18
|
23
|
23
|
17
|
22
|
15
|
15
|
16
|
21
|
21
|
23
|
25
|
26
|
30
|
25
|
20
|
22
|
27
|
28
|
28
|
32
|
42
|
44
|
37
|
36
|
40
|
41
|
|
|
2025/10
|
10
|
12
|
13
|
14
|
17
|
20
|
14
|
12
|
12
|
12
|
14
|
15
|
19
|
19
|
19
|
16
|
14
|
12
|
17
|
20
|
17
|
19
|
25
|
28
|
29
|
17
|
20
|
27
|
33
|
26
|
30
|
|
2025/09
|
25
|
16
|
17
|
22
|
19
|
19
|
20
|
23
|
20
|
22
|
14
|
17
|
16
|
15
|
15
|
14
|
17
|
15
|
17
|
25
|
18
|
20
|
17
|
14
|
24
|
16
|
16
|
16
|
18
|
12
|
|
|
2025/08
|
26
|
27
|
19
|
18
|
23
|
22
|
24
|
19
|
19
|
17
|
17
|
13
|
19
|
28
|
31
|
24
|
19
|
28
|
28
|
20
|
17
|
10
|
12
|
11
|
20
|
24
|
24
|
19
|
17
|
21
|
27
|
|
2025/07
|
20
|
17
|
12
|
13
|
13
|
16
|
19
|
15
|
17
|
21
|
20
|
23
|
27
|
29
|
28
|
28
|
31
|
30
|
19
|
22
|
22
|
21
|
20
|
24
|
16
|
25
|
24
|
19
|
28
|
30
|
19
|
|
2025/06
|
14
|
15
|
15
|
23
|
29
|
30
|
24
|
24
|
22
|
25
|
29
|
37
|
40
|
40
|
21
|
17
|
16
|
12
|
12
|
14
|
18
|
16
|
13
|
12
|
17
|
12
|
18
|
17
|
13
|
14
|
|
|
2025/05
|
29
|
25
|
20
|
16
|
22
|
30
|
25
|
24
|
30
|
39
|
23
|
31
|
31
|
30
|
31
|
34
|
31
|
33
|
26
|
30
|
25
|
22
|
45
|
23
|
20
|
19
|
17
|
14
|
15
|
16
|
12
|
|
2025/04
|
64
|
66
|
73
|
61
|
56
|
55
|
58
|
64
|
63
|
58
|
42
|
38
|
41
|
37
|
36
|
24
|
23
|
21
|
25
|
28
|
24
|
24
|
37
|
50
|
52
|
57
|
58
|
58
|
46
|
27
|
|
|
2025/03
|
45
|
43
|
31
|
36
|
44
|
50
|
59
|
63
|
55
|
52
|
45
|
64
|
77
|
62
|
47
|
52
|
48
|
31
|
31
|
47
|
63
|
62
|
49
|
36
|
34
|
31
|
31
|
69
|
103
|
87
|
73
|
|
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