Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
79
PM2.5
174
*
PM10
78
O3
1.0
CO
13
SO2
29
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
20 Feb
85
Good
Sat
21 Feb
74
Good
Sun
22 Feb
56
Good
Mon
23 Feb
69
Good
Tue
24 Feb
85
Good
Wed
25 Feb
115
Light
Thu
26 Feb
37
Excellent
Air quality in the last 12 months (Yi County)
|
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
|
|
2025/02
|
96
|
90
|
14
|
27
|
23
|
67
|
17
|
22
|
49
|
77
|
120
|
50
|
71
|
80
|
77
|
29
|
33
|
50
|
42
|
38
|
41
|
37
|
22
|
57
|
60
|
62
|
113
|
169
|
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
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26
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27
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28
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29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution