Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
*
PM2.5
47
PM10
34
O3
0.6
CO
5
SO2
29
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
9 Jan
57
Good
Fri
10 Jan
61
Good
Sat
11 Jan
85
Good
Sun
12 Jan
109
Light
Mon
13 Jan
87
Good
Tue
14 Jan
42
Excellent
Wed
15 Jan
31
Excellent
Air quality in the last 12 months (Yi'an)
|
2024/12
|
45
|
19
|
23
|
20
|
28
|
19
|
27
|
33
|
100
|
77
|
25
|
43
|
68
|
43
|
31
|
26
|
34
|
38
|
54
|
93
|
44
|
29
|
34
|
42
|
46
|
28
|
31
|
36
|
53
|
91
|
105
|
|
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
|
|
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