Air Quality
Excellent
No health implications.
18
PM2.5
29
PM10
117
O3
0.7
CO
10
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Mar
58
Good
Tue
17 Mar
57
Good
Wed
18 Mar
57
Good
Thu
19 Mar
59
Good
Fri
20 Mar
57
Good
Sat
21 Mar
59
Good
Sun
22 Mar
34
Excellent
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