Air Quality
Excellent
No health implications.
8
PM2.5
19
PM10
12
O3
0.7
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
42
Excellent
Wed
17 Sep
41
Excellent
Thu
18 Sep
42
Excellent
Fri
19 Sep
39
Excellent
Sat
20 Sep
40
Excellent
Sun
21 Sep
35
Excellent
Mon
22 Sep
31
Excellent
Dayao Air quality rank
Air quality in the last 12 months (Dayao)
|
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
|
|
2025/02
|
50
|
53
|
42
|
41
|
46
|
54
|
47
|
40
|
39
|
31
|
30
|
32
|
47
|
55
|
39
|
46
|
34
|
40
|
46
|
39
|
39
|
40
|
42
|
38
|
33
|
27
|
26
|
37
|
|||
|
2025/01
|
38
|
34
|
43
|
43
|
45
|
46
|
36
|
34
|
26
|
39
|
29
|
39
|
48
|
33
|
57
|
63
|
51
|
47
|
47
|
46
|
48
|
49
|
49
|
34
|
29
|
30
|
31
|
42
|
45
|
39
|
38
|
|
2024/12
|
26
|
29
|
32
|
30
|
30
|
31
|
31
|
33
|
24
|
31
|
39
|
40
|
39
|
33
|
34
|
34
|
33
|
38
|
31
|
32
|
39
|
31
|
25
|
36
|
34
|
38
|
49
|
57
|
39
|
31
|
32
|
|
2024/11
|
32
|
36
|
34
|
31
|
32
|
54
|
22
|
14
|
15
|
27
|
27
|
24
|
22
|
25
|
29
|
33
|
34
|
31
|
29
|
30
|
24
|
19
|
22
|
21
|
28
|
27
|
28
|
35
|
17
|
18
|
|
|
2024/10
|
14
|
22
|
30
|
27
|
13
|
17
|
25
|
32
|
23
|
24
|
23
|
26
|
28
|
27
|
27
|
24
|
20
|
33
|
36
|
31
|
21
|
23
|
24
|
29
|
31
|
31
|
37
|
48
|
46
|
38
|
30
|
|
2024/09
|
25
|
19
|
22
|
23
|
15
|
26
|
31
|
27
|
22
|
14
|
21
|
22
|
27
|
25
|
26
|
22
|
25
|
30
|
35
|
36
|
37
|
27
|
25
|
34
|
37
|
29
|
21
|
17
|
19
|
25
|
|
|
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