Air Quality
Excellent
No health implications.
5
PM2.5
26
PM10
95
O3
0.3
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jul
65
Good
Mon
7 Jul
84
Good
Tue
8 Jul
79
Good
Wed
9 Jul
78
Good
Thu
10 Jul
87
Good
Fri
11 Jul
83
Good
Sat
12 Jul
18
Excellent
Air quality in the last 12 months (Yi County)
|
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
|
|
2025/02
|
78
|
77
|
36
|
28
|
37
|
63
|
61
|
41
|
45
|
83
|
100
|
47
|
80
|
84
|
121
|
44
|
26
|
28
|
37
|
40
|
35
|
36
|
38
|
72
|
71
|
73
|
133
|
208
|
|||
|
2025/01
|
45
|
35
|
58
|
88
|
81
|
57
|
36
|
36
|
32
|
50
|
75
|
87
|
94
|
44
|
39
|
64
|
92
|
124
|
59
|
79
|
55
|
65
|
115
|
126
|
99
|
99
|
56
|
45
|
157
|
47
|
75
|
|
2024/12
|
70
|
28
|
50
|
45
|
51
|
30
|
38
|
50
|
95
|
55
|
47
|
73
|
54
|
47
|
34
|
59
|
32
|
47
|
64
|
57
|
34
|
56
|
50
|
74
|
87
|
36
|
30
|
44
|
82
|
77
|
53
|
|
2024/11
|
73
|
52
|
62
|
27
|
42
|
48
|
91
|
117
|
72
|
52
|
50
|
57
|
60
|
42
|
58
|
28
|
25
|
26
|
71
|
82
|
57
|
41
|
73
|
146
|
65
|
22
|
35
|
49
|
63
|
70
|
|
|
2024/10
|
23
|
24
|
31
|
47
|
64
|
33
|
33
|
36
|
54
|
29
|
43
|
44
|
60
|
44
|
24
|
42
|
57
|
42
|
31
|
38
|
40
|
28
|
32
|
46
|
89
|
55
|
30
|
64
|
82
|
32
|
76
|
|
2024/09
|
19
|
20
|
27
|
29
|
15
|
26
|
26
|
31
|
37
|
22
|
35
|
31
|
35
|
13
|
27
|
37
|
25
|
28
|
43
|
9
|
14
|
21
|
31
|
48
|
38
|
35
|
40
|
50
|
38
|
14
|
|
|
2024/08
|
31
|
19
|
45
|
21
|
21
|
26
|
35
|
47
|
44
|
27
|
49
|
24
|
15
|
21
|
24
|
31
|
40
|
41
|
27
|
19
|
15
|
20
|
24
|
40
|
25
|
27
|
22
|
24
|
37
|
42
|
23
|
|
2024/07
|
52
|
56
|
27
|
42
|
65
|
45
|
24
|
54
|
56
|
50
|
63
|
77
|
52
|
48
|
42
|
21
|
25
|
39
|
49
|
38
|
43
|
29
|
37
|
29
|
21
|
10
|
16
|
18
|
36
|
37
|
31
|
|
2024/06
|
24
|
38
|
37
|
43
|
42
|
45
|
40
|
37
|
42
|
50
|
57
|
53
|
31
|
26
|
16
|
30
|
56
|
58
|
44
|
26
|
25
|
64
|
77
|
15
|
22
|
40
|
58
|
39
|
27
|
27
|
|
|
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