Air Quality
Excellent
No health implications.
26
PM2.5
33
PM10
85
O3
0.8
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Sep
51
Good
Sun
27 Sep
51
Good
Mon
28 Sep
48
Excellent
Tue
29 Sep
52
Good
Wed
30 Sep
53
Good
Thu
1 Oct
55
Good
Fri
2 Oct
21
Excellent
Air quality in the last 12 months (Yi County)
|
2026/08
|
19
|
19
|
21
|
33
|
32
|
32
|
34
|
28
|
15
|
14
|
15
|
16
|
21
|
17
|
20
|
23
|
24
|
31
|
24
|
22
|
19
|
19
|
19
|
16
|
16
|
24
|
27
|
31
|
17
|
18
|
20
|
|
2026/07
|
17
|
14
|
14
|
17
|
13
|
18
|
17
|
13
|
16
|
21
|
22
|
13
|
15
|
21
|
19
|
17
|
20
|
22
|
17
|
14
|
14
|
22
|
26
|
33
|
28
|
19
|
18
|
19
|
14
|
16
|
16
|
|
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
|
|
|
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