Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
109
*
PM10
78
O3
0.6
CO
8
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 Mar
66
Good
Thu
19 Mar
80
Good
Fri
20 Mar
79
Good
Sat
21 Mar
101
Light
Sun
22 Mar
81
Good
Mon
23 Mar
46
Excellent
Tue
24 Mar
30
Excellent
Air quality in the last 12 months (Yi County)
|
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
|
|
2025/04
|
86
|
31
|
60
|
56
|
42
|
53
|
82
|
37
|
36
|
60
|
63
|
46
|
20
|
19
|
45
|
63
|
69
|
20
|
27
|
51
|
36
|
23
|
50
|
54
|
37
|
59
|
31
|
40
|
65
|
50
|
|
|
2025/03
|
141
|
45
|
38
|
60
|
98
|
47
|
76
|
84
|
170
|
122
|
110
|
85
|
56
|
47
|
46
|
41
|
54
|
28
|
59
|
91
|
59
|
72
|
136
|
63
|
89
|
111
|
58
|
31
|
25
|
29
|
65
|
|
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