Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
14
PM2.5
114
PM10
199
O3
0.5
CO
10
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
31 May
105
Light
Mon
1 Jun
90
Good
Tue
2 Jun
83
Good
Wed
3 Jun
68
Good
Thu
4 Jun
64
Good
Fri
5 Jun
63
Good
Sat
6 Jun
49
Excellent
Air quality in the last 12 months (Yi County)
|
2026/04
|
56
|
62
|
95
|
31
|
37
|
28
|
28
|
73
|
45
|
38
|
49
|
72
|
34
|
48
|
72
|
94
|
68
|
104
|
72
|
161
|
68
|
40
|
53
|
71
|
77
|
33
|
36
|
29
|
35
|
58
|
|
|
2026/03
|
67
|
76
|
125
|
39
|
31
|
27
|
34
|
56
|
30
|
53
|
63
|
60
|
75
|
40
|
84
|
68
|
121
|
34
|
49
|
43
|
97
|
161
|
110
|
141
|
104
|
91
|
36
|
63
|
47
|
33
|
49
|
|
2026/02
|
66
|
42
|
93
|
92
|
92
|
36
|
46
|
38
|
79
|
83
|
71
|
132
|
163
|
110
|
54
|
53
|
223
|
22
|
73
|
122
|
128
|
96
|
35
|
72
|
95
|
43
|
40
|
38
|
|||
|
2026/01
|
49
|
65
|
87
|
78
|
38
|
66
|
39
|
53
|
97
|
32
|
21
|
53
|
34
|
68
|
62
|
27
|
32
|
34
|
38
|
39
|
38
|
50
|
55
|
52
|
35
|
73
|
32
|
49
|
55
|
59
|
65
|
|
2025/12
|
41
|
26
|
40
|
48
|
55
|
88
|
63
|
37
|
70
|
88
|
29
|
55
|
91
|
93
|
119
|
63
|
77
|
111
|
108
|
28
|
32
|
55
|
56
|
47
|
30
|
40
|
85
|
123
|
40
|
38
|
37
|
|
2025/11
|
70
|
35
|
63
|
59
|
122
|
56
|
57
|
139
|
39
|
45
|
50
|
73
|
46
|
92
|
156
|
66
|
39
|
56
|
72
|
42
|
62
|
88
|
130
|
134
|
32
|
63
|
36
|
74
|
69
|
35
|
|
|
2025/10
|
71
|
62
|
45
|
44
|
33
|
27
|
45
|
24
|
29
|
36
|
45
|
34
|
56
|
87
|
55
|
31
|
37
|
23
|
26
|
25
|
36
|
43
|
46
|
61
|
85
|
38
|
44
|
61
|
120
|
49
|
59
|
|
2025/09
|
42
|
42
|
53
|
48
|
42
|
26
|
31
|
24
|
34
|
29
|
51
|
37
|
35
|
32
|
22
|
26
|
16
|
19
|
37
|
39
|
34
|
40
|
38
|
29
|
33
|
50
|
72
|
47
|
49
|
62
|
|
|
2025/08
|
33
|
32
|
28
|
16
|
20
|
14
|
19
|
22
|
22
|
22
|
34
|
34
|
21
|
29
|
34
|
28
|
19
|
34
|
46
|
27
|
36
|
19
|
35
|
16
|
19
|
20
|
29
|
11
|
28
|
38
|
35
|
|
2025/07
|
37
|
31
|
18
|
30
|
44
|
20
|
27
|
38
|
28
|
33
|
40
|
34
|
17
|
20
|
26
|
20
|
12
|
18
|
33
|
19
|
24
|
35
|
23
|
23
|
34
|
36
|
38
|
30
|
21
|
17
|
25
|
|
2025/06
|
27
|
56
|
36
|
18
|
43
|
29
|
17
|
42
|
31
|
20
|
36
|
46
|
31
|
34
|
28
|
20
|
23
|
41
|
34
|
23
|
22
|
29
|
46
|
43
|
43
|
46
|
43
|
26
|
42
|
32
|
|
|
2025/05
|
36
|
36
|
39
|
28
|
36
|
39
|
50
|
64
|
31
|
38
|
64
|
74
|
66
|
58
|
63
|
52
|
32
|
30
|
57
|
70
|
68
|
77
|
32
|
45
|
36
|
52
|
71
|
61
|
49
|
66
|
50
|
|
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