Air Quality
Excellent
No health implications.
25
PM2.5
41
PM10
67
O3
0.6
CO
10
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
56
Good
Wed
18 Mar
60
Good
Thu
19 Mar
56
Good
Fri
20 Mar
58
Good
Sat
21 Mar
57
Good
Sun
22 Mar
34
Excellent
Mon
23 Mar
34
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