Air Quality
Excellent
No health implications.
21
PM2.5
35
PM10
36
O3
0.6
CO
6
SO2
43
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Dec
58
Good
Fri
27 Dec
60
Good
Sat
28 Dec
58
Good
Sun
29 Dec
105
Light
Mon
30 Dec
104
Light
Tue
31 Dec
79
Good
Wed
1 Jan
61
Good
Yi'an Air quality rank
Air quality in the last 12 months (Yi'an)
|
2024/11
|
51
|
60
|
49
|
28
|
40
|
66
|
132
|
138
|
204
|
116
|
217
|
72
|
156
|
267
|
171
|
56
|
20
|
26
|
56
|
106
|
78
|
26
|
53
|
131
|
159
|
68
|
23
|
41
|
24
|
31
|
|
|
2024/10
|
19
|
19
|
22
|
31
|
36
|
32
|
60
|
44
|
43
|
28
|
22
|
20
|
41
|
48
|
13
|
21
|
31
|
29
|
17
|
35
|
37
|
43
|
38
|
58
|
49
|
83
|
55
|
43
|
66
|
69
|
75
|
|
2024/09
|
13
|
17
|
18
|
25
|
13
|
16
|
19
|
18
|
33
|
21
|
14
|
24
|
13
|
18
|
21
|
21
|
19
|
19
|
15
|
19
|
21
|
20
|
24
|
27
|
21
|
26
|
28
|
22
|
37
|
18
|
|
|
2024/08
|
21
|
20
|
19
|
21
|
21
|
23
|
25
|
17
|
29
|
29
|
16
|
14
|
18
|
20
|
23
|
27
|
30
|
27
|
20
|
22
|
21
|
21
|
25
|
23
|
25
|
15
|
16
|
19
|
22
|
14
|
14
|
|
2024/07
|
41
|
45
|
54
|
49
|
51
|
54
|
74
|
85
|
67
|
81
|
89
|
74
|
89
|
71
|
55
|
45
|
21
|
29
|
26
|
28
|
17
|
19
|
21
|
17
|
23
|
19
|
13
|
19
|
18
|
20
|
24
|
|
2024/06
|
25
|
29
|
30
|
18
|
31
|
39
|
27
|
16
|
16
|
21
|
23
|
21
|
26
|
20
|
16
|
22
|
16
|
18
|
31
|
23
|
15
|
18
|
17
|
22
|
30
|
34
|
36
|
46
|
35
|
44
|
|
|
2024/05
|
44
|
38
|
47
|
64
|
45
|
36
|
33
|
58
|
24
|
27
|
20
|
38
|
28
|
17
|
16
|
22
|
39
|
22
|
26
|
26
|
38
|
35
|
16
|
22
|
27
|
24
|
27
|
31
|
20
|
17
|
24
|
|
2024/04
|
25
|
62
|
44
|
26
|
50
|
36
|
34
|
31
|
51
|
94
|
104
|
90
|
67
|
84
|
92
|
38
|
38
|
37
|
21
|
86
|
186
|
130
|
23
|
32
|
32
|
15
|
19
|
16
|
30
|
35
|
|
|
2024/03
|
26
|
28
|
31
|
30
|
30
|
29
|
39
|
25
|
32
|
46
|
36
|
37
|
39
|
43
|
28
|
46
|
20
|
23
|
32
|
27
|
30
|
40
|
63
|
19
|
32
|
61
|
73
|
151
|
23
|
21
|
22
|
|
2024/02
|
28
|
44
|
43
|
43
|
65
|
63
|
74
|
48
|
142
|
156
|
91
|
66
|
58
|
32
|
29
|
50
|
83
|
48
|
30
|
28
|
28
|
29
|
31
|
98
|
81
|
30
|
46
|
39
|
37
|
||
|
2024/01
|
47
|
86
|
100
|
63
|
32
|
78
|
32
|
44
|
58
|
45
|
52
|
40
|
62
|
33
|
27
|
46
|
56
|
29
|
37
|
30
|
22
|
29
|
41
|
30
|
77
|
152
|
93
|
167
|
41
|
50
|
41
|
|
2023/12
|
38
|
54
|
47
|
38
|
54
|
26
|
31
|
37
|
25
|
27
|
30
|
50
|
68
|
55
|
27
|
22
|
28
|
39
|
60
|
33
|
39
|
48
|
56
|
61
|
70
|
61
|
63
|
97
|
76
|
45
|
28
|
|
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