Air Quality
Excellent
No health implications.
11
PM2.5
26
PM10
132
O3
0.3
CO
6
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jun
54
Good
Wed
24 Jun
54
Good
Thu
25 Jun
53
Good
Fri
26 Jun
52
Good
Sat
27 Jun
81
Good
Sun
28 Jun
79
Good
Mon
29 Jun
21
Excellent
Air quality in the last 12 months (Yi'an)
|
2026/05
|
28
|
27
|
28
|
31
|
48
|
26
|
31
|
32
|
33
|
56
|
49
|
57
|
47
|
69
|
28
|
24
|
21
|
25
|
34
|
35
|
40
|
39
|
33
|
41
|
28
|
25
|
24
|
24
|
23
|
26
|
51
|
|
2026/04
|
46
|
74
|
57
|
52
|
57
|
37
|
24
|
48
|
27
|
30
|
26
|
31
|
26
|
38
|
61
|
46
|
52
|
27
|
27
|
44
|
24
|
24
|
25
|
30
|
27
|
24
|
24
|
28
|
32
|
67
|
|
|
2026/03
|
32
|
31
|
53
|
46
|
31
|
31
|
35
|
53
|
43
|
37
|
30
|
39
|
73
|
32
|
32
|
27
|
97
|
46
|
42
|
56
|
127
|
73
|
75
|
139
|
128
|
56
|
45
|
64
|
126
|
35
|
76
|
|
2026/02
|
31
|
37
|
45
|
37
|
32
|
21
|
27
|
33
|
61
|
92
|
40
|
50
|
60
|
61
|
20
|
55
|
46
|
22
|
47
|
86
|
106
|
42
|
23
|
19
|
54
|
25
|
24
|
29
|
|||
|
2026/01
|
30
|
33
|
46
|
24
|
25
|
56
|
26
|
34
|
55
|
49
|
49
|
73
|
39
|
33
|
55
|
46
|
31
|
42
|
34
|
27
|
29
|
23
|
28
|
28
|
23
|
48
|
40
|
32
|
29
|
25
|
35
|
|
2025/12
|
23
|
25
|
31
|
33
|
48
|
52
|
72
|
35
|
33
|
24
|
23
|
29
|
48
|
55
|
47
|
27
|
45
|
88
|
79
|
37
|
34
|
55
|
60
|
41
|
29
|
29
|
50
|
65
|
26
|
28
|
30
|
|
2025/11
|
115
|
27
|
74
|
56
|
117
|
64
|
19
|
104
|
46
|
18
|
27
|
51
|
32
|
28
|
71
|
40
|
22
|
36
|
79
|
40
|
46
|
105
|
99
|
33
|
36
|
98
|
43
|
55
|
65
|
29
|
|
|
2025/10
|
33
|
34
|
54
|
25
|
21
|
23
|
37
|
22
|
35
|
35
|
47
|
19
|
29
|
25
|
30
|
35
|
45
|
19
|
19
|
19
|
28
|
26
|
32
|
39
|
62
|
34
|
27
|
33
|
127
|
56
|
56
|
|
2025/09
|
21
|
21
|
32
|
46
|
40
|
19
|
19
|
17
|
15
|
20
|
20
|
28
|
26
|
24
|
19
|
16
|
18
|
22
|
30
|
23
|
22
|
28
|
38
|
22
|
17
|
22
|
28
|
29
|
32
|
46
|
|
|
2025/08
|
22
|
25
|
17
|
20
|
23
|
17
|
18
|
22
|
16
|
14
|
15
|
20
|
22
|
19
|
23
|
15
|
19
|
22
|
24
|
19
|
24
|
16
|
24
|
19
|
24
|
20
|
23
|
25
|
26
|
20
|
31
|
|
2025/07
|
28
|
21
|
21
|
24
|
16
|
19
|
20
|
21
|
23
|
33
|
40
|
22
|
20
|
22
|
26
|
21
|
22
|
23
|
24
|
21
|
18
|
23
|
35
|
32
|
22
|
28
|
21
|
23
|
17
|
16
|
20
|
|
2025/06
|
20
|
24
|
19
|
19
|
21
|
14
|
17
|
22
|
15
|
18
|
18
|
31
|
31
|
20
|
25
|
23
|
20
|
25
|
20
|
17
|
14
|
20
|
32
|
37
|
39
|
34
|
43
|
33
|
29
|
37
|
|
|
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