Air Quality
Excellent
No health implications.
6
PM2.5
21
PM10
66
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jan
41
Excellent
Thu
9 Jan
39
Excellent
Fri
10 Jan
64
Good
Sat
11 Jan
93
Good
Sun
12 Jan
96
Good
Mon
13 Jan
102
Light
Tue
14 Jan
42
Excellent
Air quality in the last 12 months (Yi County)
|
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
|
|
|
2024/05
|
45
|
46
|
59
|
50
|
46
|
60
|
55
|
66
|
73
|
74
|
77
|
36
|
55
|
57
|
35
|
49
|
59
|
57
|
30
|
22
|
52
|
56
|
29
|
24
|
50
|
45
|
19
|
35
|
52
|
42
|
16
|
|
2024/04
|
58
|
77
|
38
|
46
|
78
|
81
|
74
|
63
|
72
|
80
|
101
|
93
|
51
|
37
|
168
|
53
|
62
|
54
|
41
|
82
|
86
|
48
|
33
|
30
|
52
|
60
|
34
|
15
|
37
|
37
|
|
|
2024/03
|
29
|
50
|
45
|
75
|
53
|
45
|
58
|
43
|
72
|
121
|
89
|
49
|
72
|
116
|
93
|
203
|
72
|
54
|
27
|
27
|
68
|
52
|
71
|
23
|
25
|
63
|
94
|
224
|
79
|
65
|
68
|
|
2024/02
|
35
|
70
|
66
|
57
|
31
|
52
|
83
|
70
|
116
|
168
|
83
|
110
|
127
|
39
|
44
|
84
|
56
|
36
|
39
|
26
|
26
|
26
|
38
|
77
|
82
|
60
|
89
|
59
|
52
|
||
|
2024/01
|
86
|
134
|
66
|
72
|
47
|
47
|
27
|
56
|
57
|
65
|
68
|
60
|
43
|
48
|
73
|
88
|
75
|
30
|
30
|
28
|
27
|
26
|
40
|
46
|
87
|
55
|
65
|
94
|
43
|
118
|
41
|
|
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