Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
PM2.5
62
*
PM10
113
O3
0.5
CO
3
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
19 May
121
Lightly
Mon
20 May
76
Good
Tue
21 May
116
Lightly
Wed
22 May
146
Lightly
Thu
23 May
126
Lightly
Fri
24 May
73
Good
Sat
25 May
83
Good
Air quality in the last 12 months (Yi County)
|
2024/02
|
65
|
84
|
115
|
137
|
123
|
129
|
90
|
118
|
140
|
107
|
96
|
122
|
155
|
108
|
58
|
73
|
102
|
104
|
61
|
25
|
30
|
34
|
37
|
71
|
96
|
91
|
91
|
92
|
55
|
||
|
2024/01
|
137
|
192
|
103
|
96
|
107
|
32
|
42
|
72
|
69
|
86
|
111
|
115
|
115
|
49
|
59
|
87
|
112
|
88
|
62
|
66
|
31
|
26
|
40
|
58
|
64
|
68
|
63
|
67
|
94
|
125
|
134
|
|
2023/12
|
65
|
78
|
84
|
101
|
120
|
189
|
157
|
173
|
103
|
56
|
41
|
79
|
93
|
76
|
27
|
22
|
41
|
100
|
65
|
25
|
26
|
52
|
75
|
82
|
108
|
85
|
45
|
89
|
184
|
212
|
124
|
|
2023/11
|
189
|
219
|
55
|
70
|
46
|
45
|
55
|
67
|
37
|
25
|
39
|
46
|
65
|
86
|
114
|
36
|
35
|
74
|
91
|
120
|
161
|
165
|
46
|
43
|
66
|
88
|
80
|
41
|
40
|
56
|
|
|
2023/10
|
40
|
61
|
69
|
47
|
40
|
48
|
62
|
59
|
30
|
37
|
60
|
107
|
88
|
36
|
45
|
48
|
67
|
42
|
29
|
31
|
42
|
55
|
102
|
147
|
128
|
67
|
71
|
95
|
173
|
141
|
180
|
|
2023/09
|
59
|
59
|
45
|
74
|
85
|
86
|
79
|
77
|
33
|
36
|
46
|
37
|
46
|
57
|
63
|
71
|
74
|
73
|
46
|
31
|
46
|
45
|
46
|
39
|
54
|
88
|
91
|
52
|
55
|
28
|
|
|
2023/08
|
20
|
40
|
53
|
50
|
43
|
39
|
46
|
57
|
61
|
68
|
63
|
33
|
45
|
52
|
57
|
71
|
54
|
69
|
78
|
59
|
43
|
41
|
38
|
34
|
54
|
40
|
30
|
33
|
44
|
51
|
62
|
|
2023/07
|
80
|
83
|
72
|
45
|
61
|
79
|
59
|
33
|
36
|
81
|
58
|
32
|
27
|
42
|
33
|
37
|
65
|
74
|
84
|
56
|
40
|
34
|
46
|
55
|
56
|
55
|
56
|
37
|
37
|
12
|
17
|
|
2023/06
|
65
|
40
|
63
|
54
|
58
|
50
|
61
|
60
|
45
|
37
|
59
|
52
|
54
|
77
|
100
|
99
|
96
|
92
|
47
|
50
|
42
|
71
|
87
|
66
|
84
|
53
|
70
|
47
|
53
|
80
|
|
|
2023/05
|
69
|
76
|
82
|
53
|
29
|
34
|
51
|
63
|
58
|
65
|
73
|
63
|
41
|
68
|
93
|
81
|
67
|
58
|
87
|
101
|
68
|
46
|
53
|
68
|
63
|
67
|
68
|
44
|
68
|
64
|
64
|
|
2023/04
|
85
|
97
|
80
|
43
|
34
|
38
|
35
|
40
|
89
|
178
|
357
|
354
|
419
|
280
|
125
|
58
|
87
|
92
|
98
|
111
|
42
|
30
|
54
|
50
|
64
|
55
|
86
|
73
|
55
|
55
|
|
|
2023/03
|
40
|
61
|
66
|
120
|
221
|
208
|
141
|
133
|
90
|
228
|
179
|
57
|
81
|
123
|
84
|
66
|
79
|
62
|
92
|
135
|
145
|
389
|
129
|
81
|
72
|
76
|
77
|
108
|
127
|
103
|
81
|
|
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