Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
58
*
PM2.5
103
PM10
81
O3
0.5
CO
6
SO2
30
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Mar
109
Light
Tue
17 Mar
128
Light
Wed
18 Mar
66
Good
Thu
19 Mar
89
Good
Fri
20 Mar
113
Light
Sat
21 Mar
86
Good
Sun
22 Mar
44
Excellent
Air quality in the last 12 months (Yi County)
|
2026/02
|
142
|
76
|
108
|
117
|
73
|
31
|
51
|
63
|
106
|
125
|
75
|
92
|
111
|
115
|
41
|
62
|
96
|
49
|
86
|
111
|
229
|
49
|
44
|
73
|
101
|
91
|
54
|
70
|
|||
|
2026/01
|
59
|
84
|
122
|
102
|
85
|
91
|
53
|
78
|
96
|
33
|
38
|
78
|
66
|
76
|
135
|
92
|
36
|
42
|
27
|
49
|
59
|
64
|
87
|
126
|
67
|
101
|
104
|
74
|
86
|
116
|
143
|
|
2025/12
|
51
|
33
|
55
|
55
|
82
|
108
|
65
|
42
|
70
|
99
|
90
|
37
|
51
|
66
|
90
|
76
|
138
|
180
|
215
|
96
|
47
|
79
|
78
|
53
|
31
|
68
|
80
|
116
|
88
|
56
|
28
|
|
2025/11
|
55
|
34
|
61
|
92
|
166
|
173
|
58
|
71
|
58
|
63
|
96
|
145
|
63
|
73
|
95
|
46
|
24
|
42
|
57
|
58
|
62
|
71
|
97
|
100
|
41
|
105
|
37
|
79
|
108
|
137
|
|
|
2025/10
|
60
|
46
|
56
|
66
|
56
|
30
|
49
|
27
|
10
|
11
|
18
|
36
|
45
|
46
|
71
|
71
|
39
|
13
|
21
|
25
|
34
|
48
|
77
|
110
|
144
|
47
|
48
|
104
|
162
|
182
|
117
|
|
2025/09
|
45
|
47
|
45
|
46
|
46
|
34
|
49
|
40
|
53
|
50
|
60
|
52
|
54
|
52
|
45
|
31
|
24
|
24
|
27
|
49
|
57
|
32
|
49
|
58
|
58
|
57
|
47
|
56
|
48
|
62
|
|
|
2025/08
|
42
|
54
|
47
|
31
|
33
|
53
|
35
|
25
|
21
|
31
|
40
|
45
|
23
|
45
|
46
|
25
|
34
|
42
|
26
|
20
|
32
|
32
|
20
|
18
|
25
|
33
|
18
|
22
|
35
|
28
|
36
|
|
2025/07
|
30
|
36
|
22
|
34
|
16
|
23
|
34
|
27
|
41
|
24
|
49
|
50
|
22
|
42
|
45
|
38
|
23
|
34
|
55
|
24
|
21
|
36
|
34
|
26
|
23
|
42
|
46
|
29
|
13
|
20
|
33
|
|
2025/06
|
74
|
51
|
22
|
34
|
55
|
52
|
46
|
54
|
62
|
39
|
65
|
84
|
72
|
38
|
20
|
24
|
59
|
74
|
38
|
42
|
36
|
40
|
58
|
52
|
63
|
65
|
58
|
58
|
45
|
52
|
|
|
2025/05
|
44
|
62
|
31
|
53
|
56
|
45
|
70
|
93
|
30
|
40
|
55
|
68
|
82
|
39
|
50
|
67
|
75
|
58
|
68
|
91
|
75
|
64
|
58
|
41
|
53
|
60
|
67
|
67
|
70
|
70
|
65
|
|
2025/04
|
52
|
26
|
65
|
81
|
36
|
80
|
84
|
53
|
60
|
71
|
150
|
106
|
53
|
35
|
58
|
87
|
94
|
49
|
48
|
73
|
78
|
49
|
63
|
51
|
64
|
92
|
76
|
58
|
70
|
58
|
|
|
2025/03
|
219
|
84
|
42
|
53
|
68
|
40
|
76
|
118
|
123
|
149
|
182
|
115
|
122
|
72
|
46
|
23
|
34
|
41
|
42
|
34
|
30
|
53
|
135
|
90
|
64
|
78
|
73
|
31
|
25
|
47
|
63
|
|
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