Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
49
*
PM2.5
76
PM10
21
O3
0.5
CO
6
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
8 Feb
77
Good
Mon
9 Feb
81
Good
Tue
10 Feb
110
Light
Wed
11 Feb
113
Light
Thu
12 Feb
82
Good
Fri
13 Feb
78
Good
Sat
14 Feb
20
Excellent
Air quality in the last 12 months (Yi'an)
|
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
|
|
|
2025/08
|
20
|
20
|
28
|
33
|
39
|
20
|
16
|
21
|
25
|
30
|
17
|
45
|
51
|
24
|
25
|
26
|
31
|
35
|
36
|
27
|
26
|
23
|
24
|
28
|
34
|
25
|
36
|
35
|
50
|
37
|
25
|
|
2025/07
|
25
|
28
|
32
|
33
|
41
|
47
|
39
|
22
|
19
|
32
|
35
|
26
|
35
|
48
|
40
|
33
|
25
|
50
|
32
|
19
|
20
|
14
|
21
|
25
|
26
|
25
|
23
|
25
|
26
|
25
|
24
|
|
2025/06
|
15
|
18
|
45
|
50
|
52
|
41
|
28
|
18
|
46
|
37
|
36
|
36
|
49
|
28
|
19
|
40
|
43
|
21
|
14
|
20
|
17
|
20
|
28
|
45
|
43
|
38
|
25
|
14
|
24
|
21
|
|
|
2025/05
|
53
|
53
|
55
|
45
|
49
|
156
|
121
|
52
|
31
|
37
|
44
|
44
|
47
|
56
|
60
|
40
|
44
|
89
|
59
|
35
|
28
|
36
|
42
|
74
|
62
|
60
|
65
|
60
|
45
|
40
|
32
|
|
2025/04
|
45
|
62
|
56
|
65
|
76
|
61
|
60
|
66
|
65
|
63
|
62
|
184
|
109
|
88
|
48
|
49
|
64
|
67
|
82
|
70
|
60
|
59
|
67
|
71
|
60
|
48
|
42
|
68
|
73
|
55
|
|
|
2025/03
|
41
|
35
|
21
|
45
|
59
|
59
|
58
|
61
|
77
|
68
|
52
|
74
|
50
|
43
|
33
|
49
|
32
|
50
|
43
|
47
|
46
|
51
|
61
|
60
|
60
|
64
|
82
|
69
|
78
|
75
|
47
|
|
2025/02
|
47
|
59
|
96
|
83
|
51
|
49
|
71
|
32
|
37
|
45
|
64
|
91
|
64
|
78
|
95
|
81
|
72
|
45
|
56
|
54
|
32
|
52
|
73
|
75
|
74
|
96
|
70
|
49
|
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1
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2
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
|
24
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25
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26
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27
|
28
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29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution