Air Quality
Excellent
No health implications.
5
PM2.5
9
PM10
50
O3
0.5
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
38
Excellent
Sat
23 May
46
Excellent
Sun
24 May
47
Excellent
Mon
25 May
49
Excellent
Tue
26 May
48
Excellent
Wed
27 May
50
Excellent
Thu
28 May
34
Excellent
Air quality in the last 12 months (Dao County)
|
2026/04
|
30
|
43
|
35
|
34
|
54
|
55
|
36
|
43
|
50
|
58
|
45
|
34
|
36
|
27
|
25
|
29
|
22
|
31
|
38
|
38
|
22
|
17
|
24
|
33
|
44
|
45
|
60
|
37
|
27
|
30
|
|
|
2026/03
|
14
|
14
|
23
|
36
|
39
|
40
|
57
|
43
|
19
|
48
|
34
|
39
|
57
|
60
|
97
|
85
|
56
|
33
|
34
|
32
|
25
|
50
|
49
|
31
|
50
|
66
|
36
|
34
|
32
|
27
|
29
|
|
2026/02
|
53
|
54
|
63
|
84
|
102
|
75
|
71
|
62
|
66
|
60
|
35
|
50
|
59
|
58
|
47
|
32
|
57
|
70
|
64
|
36
|
57
|
76
|
66
|
32
|
38
|
45
|
14
|
23
|
|||
|
2026/01
|
31
|
46
|
68
|
81
|
37
|
58
|
54
|
51
|
50
|
64
|
73
|
76
|
79
|
72
|
82
|
100
|
111
|
102
|
64
|
18
|
40
|
47
|
59
|
65
|
86
|
56
|
70
|
85
|
70
|
45
|
27
|
|
2025/12
|
63
|
91
|
97
|
91
|
77
|
80
|
84
|
85
|
87
|
83
|
80
|
95
|
21
|
43
|
54
|
60
|
70
|
79
|
65
|
62
|
93
|
113
|
86
|
26
|
48
|
58
|
62
|
59
|
65
|
81
|
115
|
|
2025/11
|
44
|
39
|
15
|
10
|
22
|
30
|
40
|
13
|
8
|
11
|
23
|
50
|
37
|
46
|
53
|
53
|
63
|
26
|
31
|
39
|
44
|
48
|
55
|
62
|
52
|
50
|
63
|
67
|
53
|
53
|
|
|
2025/10
|
46
|
35
|
32
|
42
|
51
|
20
|
20
|
35
|
32
|
30
|
37
|
42
|
72
|
44
|
46
|
50
|
49
|
27
|
11
|
10
|
11
|
20
|
32
|
43
|
48
|
62
|
60
|
68
|
76
|
93
|
55
|
|
2025/09
|
29
|
29
|
27
|
29
|
36
|
39
|
42
|
35
|
19
|
22
|
24
|
25
|
27
|
32
|
32
|
27
|
19
|
40
|
50
|
28
|
24
|
20
|
25
|
11
|
13
|
20
|
24
|
38
|
42
|
62
|
|
|
2025/08
|
30
|
23
|
14
|
25
|
21
|
14
|
15
|
19
|
29
|
33
|
34
|
38
|
37
|
34
|
13
|
20
|
20
|
23
|
15
|
18
|
22
|
25
|
30
|
31
|
31
|
27
|
28
|
25
|
24
|
21
|
30
|
|
2025/07
|
13
|
13
|
18
|
26
|
30
|
35
|
35
|
33
|
34
|
24
|
23
|
28
|
24
|
25
|
23
|
25
|
31
|
33
|
28
|
24
|
18
|
15
|
16
|
22
|
30
|
35
|
32
|
25
|
30
|
29
|
22
|
|
2025/06
|
30
|
26
|
37
|
47
|
45
|
44
|
36
|
39
|
43
|
38
|
43
|
31
|
32
|
22
|
20
|
25
|
15
|
14
|
23
|
22
|
15
|
22
|
23
|
20
|
23
|
24
|
15
|
14
|
14
|
14
|
|
|
2025/05
|
46
|
58
|
51
|
43
|
39
|
38
|
56
|
43
|
29
|
52
|
42
|
38
|
48
|
52
|
57
|
28
|
27
|
21
|
21
|
22
|
24
|
26
|
31
|
52
|
59
|
44
|
40
|
25
|
21
|
30
|
23
|
|
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