Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
60
*
PM10
44
O3
0.6
CO
9
SO2
8
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
25 Sep
88
Good
Sat
26 Sep
82
Good
Sun
27 Sep
60
Good
Mon
28 Sep
61
Good
Tue
29 Sep
65
Good
Wed
30 Sep
30
Excellent
Thu
1 Oct
30
Excellent
Air quality in the last 12 months (Yi'an)
|
2026/08
|
28
|
31
|
39
|
53
|
38
|
44
|
31
|
31
|
25
|
21
|
19
|
22
|
37
|
20
|
36
|
42
|
45
|
45
|
36
|
29
|
26
|
26
|
27
|
22
|
24
|
40
|
43
|
30
|
29
|
30
|
40
|
|
2026/07
|
31
|
19
|
25
|
23
|
14
|
22
|
16
|
22
|
19
|
32
|
37
|
20
|
24
|
30
|
23
|
24
|
25
|
32
|
43
|
23
|
24
|
35
|
40
|
32
|
38
|
30
|
26
|
22
|
18
|
23
|
27
|
|
2026/06
|
83
|
81
|
47
|
59
|
61
|
43
|
65
|
41
|
33
|
44
|
66
|
50
|
29
|
40
|
43
|
35
|
43
|
47
|
16
|
28
|
31
|
20
|
26
|
25
|
41
|
71
|
77
|
86
|
68
|
28
|
|
|
2026/05
|
36
|
41
|
37
|
29
|
35
|
39
|
56
|
38
|
40
|
45
|
42
|
57
|
82
|
91
|
30
|
36
|
44
|
49
|
44
|
25
|
40
|
46
|
60
|
24
|
25
|
24
|
43
|
42
|
65
|
81
|
73
|
|
2026/04
|
71
|
60
|
42
|
69
|
72
|
69
|
57
|
39
|
37
|
53
|
62
|
38
|
48
|
42
|
47
|
60
|
71
|
65
|
60
|
57
|
41
|
16
|
20
|
40
|
46
|
46
|
56
|
37
|
30
|
40
|
|
|
2026/03
|
37
|
22
|
59
|
61
|
59
|
61
|
67
|
59
|
62
|
73
|
60
|
64
|
73
|
62
|
97
|
49
|
28
|
32
|
81
|
95
|
61
|
52
|
71
|
42
|
62
|
81
|
80
|
48
|
57
|
48
|
81
|
|
2026/02
|
47
|
64
|
79
|
75
|
84
|
59
|
46
|
54
|
48
|
67
|
89
|
78
|
68
|
62
|
69
|
38
|
107
|
87
|
77
|
53
|
43
|
98
|
125
|
27
|
44
|
26
|
35
|
37
|
|||
|
2026/01
|
31
|
63
|
79
|
87
|
83
|
78
|
59
|
57
|
57
|
90
|
78
|
57
|
69
|
65
|
79
|
92
|
151
|
117
|
35
|
46
|
58
|
53
|
68
|
80
|
134
|
56
|
50
|
93
|
72
|
25
|
32
|
|
2025/12
|
112
|
85
|
75
|
65
|
76
|
76
|
75
|
106
|
62
|
84
|
112
|
62
|
47
|
59
|
53
|
63
|
130
|
142
|
129
|
176
|
43
|
40
|
44
|
64
|
79
|
41
|
53
|
64
|
70
|
130
|
42
|
|
2025/11
|
73
|
66
|
53
|
59
|
65
|
47
|
21
|
31
|
43
|
67
|
40
|
39
|
51
|
78
|
90
|
112
|
50
|
34
|
39
|
48
|
71
|
87
|
93
|
81
|
91
|
67
|
139
|
90
|
72
|
67
|
|
|
2025/10
|
34
|
48
|
33
|
45
|
70
|
54
|
74
|
54
|
46
|
62
|
81
|
68
|
45
|
47
|
66
|
52
|
46
|
19
|
25
|
31
|
26
|
32
|
38
|
42
|
55
|
57
|
60
|
69
|
66
|
53
|
58
|
|
2025/09
|
26
|
27
|
32
|
43
|
45
|
42
|
57
|
50
|
31
|
30
|
27
|
24
|
27
|
37
|
28
|
34
|
32
|
36
|
38
|
29
|
36
|
35
|
52
|
19
|
32
|
61
|
53
|
54
|
50
|
43
|
|
|
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