Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
26
O3
0.4
CO
3
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Aug
32
Excellent
Tue
11 Aug
36
Excellent
Wed
12 Aug
44
Excellent
Thu
13 Aug
43
Excellent
Fri
14 Aug
47
Excellent
Sat
15 Aug
37
Excellent
Sun
16 Aug
23
Excellent
Air quality in the last 12 months (Yi County)
|
2026/06
|
50
|
49
|
37
|
24
|
43
|
31
|
34
|
33
|
25
|
24
|
33
|
30
|
21
|
23
|
30
|
24
|
25
|
24
|
14
|
18
|
17
|
17
|
18
|
17
|
19
|
34
|
45
|
38
|
30
|
14
|
|
|
2026/05
|
28
|
30
|
25
|
26
|
31
|
37
|
40
|
29
|
26
|
25
|
26
|
39
|
49
|
30
|
22
|
26
|
31
|
31
|
28
|
11
|
24
|
21
|
15
|
16
|
18
|
18
|
23
|
32
|
44
|
57
|
49
|
|
2026/04
|
30
|
41
|
22
|
41
|
65
|
52
|
54
|
34
|
28
|
25
|
31
|
19
|
24
|
17
|
24
|
35
|
31
|
42
|
43
|
49
|
28
|
13
|
15
|
20
|
22
|
32
|
48
|
32
|
26
|
25
|
|
|
2026/03
|
15
|
13
|
30
|
59
|
50
|
49
|
56
|
52
|
50
|
47
|
46
|
39
|
49
|
46
|
74
|
69
|
29
|
17
|
22
|
34
|
33
|
25
|
30
|
26
|
29
|
36
|
29
|
28
|
46
|
31
|
25
|
|
2026/02
|
20
|
36
|
44
|
48
|
46
|
30
|
22
|
46
|
32
|
29
|
46
|
56
|
52
|
42
|
35
|
20
|
54
|
42
|
43
|
34
|
35
|
65
|
82
|
31
|
13
|
12
|
12
|
16
|
|||
|
2026/01
|
25
|
38
|
48
|
48
|
64
|
61
|
48
|
42
|
46
|
53
|
56
|
49
|
58
|
41
|
53
|
60
|
104
|
95
|
41
|
21
|
51
|
54
|
51
|
41
|
60
|
59
|
24
|
50
|
53
|
28
|
14
|
|
2025/12
|
59
|
79
|
68
|
58
|
57
|
57
|
54
|
74
|
69
|
67
|
69
|
72
|
34
|
42
|
41
|
40
|
71
|
97
|
72
|
102
|
44
|
39
|
45
|
20
|
63
|
56
|
44
|
39
|
43
|
66
|
58
|
|
2025/11
|
35
|
41
|
53
|
47
|
28
|
20
|
19
|
17
|
14
|
39
|
38
|
27
|
37
|
40
|
50
|
59
|
42
|
31
|
36
|
38
|
42
|
47
|
47
|
57
|
83
|
62
|
97
|
83
|
57
|
49
|
|
|
2025/10
|
27
|
33
|
33
|
33
|
36
|
33
|
41
|
47
|
39
|
33
|
41
|
47
|
39
|
30
|
33
|
26
|
29
|
15
|
12
|
18
|
19
|
27
|
28
|
30
|
37
|
46
|
34
|
46
|
48
|
32
|
23
|
|
2025/09
|
17
|
21
|
25
|
28
|
31
|
24
|
27
|
30
|
15
|
17
|
19
|
21
|
21
|
21
|
24
|
30
|
30
|
26
|
25
|
18
|
18
|
23
|
28
|
16
|
18
|
24
|
32
|
36
|
39
|
34
|
|
|
2025/08
|
23
|
27
|
26
|
25
|
21
|
14
|
16
|
20
|
23
|
32
|
32
|
23
|
19
|
17
|
16
|
18
|
21
|
25
|
24
|
21
|
19
|
17
|
21
|
27
|
28
|
17
|
23
|
21
|
25
|
28
|
21
|
|
2025/07
|
18
|
20
|
22
|
25
|
28
|
26
|
21
|
16
|
14
|
21
|
20
|
15
|
15
|
24
|
24
|
25
|
26
|
27
|
18
|
9
|
10
|
8
|
11
|
14
|
19
|
17
|
14
|
17
|
15
|
16
|
12
|
|
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