Air Quality
Excellent
No health implications.
27
PM2.5
33
PM10
107
O3
0.4
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
86
Good
Mon
11 May
95
Good
Tue
12 May
89
Good
Wed
13 May
92
Good
Thu
14 May
83
Good
Fri
15 May
26
Excellent
Sat
16 May
43
Excellent
Air quality in the last 12 months (Yu'an)
|
2026/04
|
56
|
48
|
34
|
45
|
67
|
69
|
56
|
37
|
33
|
25
|
73
|
36
|
28
|
25
|
39
|
67
|
46
|
62
|
49
|
45
|
49
|
18
|
23
|
27
|
33
|
36
|
50
|
31
|
30
|
31
|
|
|
2026/03
|
28
|
28
|
96
|
72
|
56
|
62
|
60
|
69
|
82
|
82
|
60
|
67
|
75
|
75
|
146
|
48
|
44
|
36
|
80
|
93
|
78
|
55
|
72
|
67
|
55
|
71
|
83
|
60
|
53
|
49
|
91
|
|
2026/02
|
40
|
57
|
77
|
64
|
80
|
78
|
48
|
56
|
47
|
65
|
82
|
67
|
68
|
68
|
89
|
42
|
87
|
62
|
65
|
52
|
36
|
122
|
131
|
22
|
40
|
30
|
45
|
34
|
|||
|
2026/01
|
27
|
53
|
57
|
76
|
62
|
60
|
40
|
56
|
48
|
87
|
72
|
61
|
62
|
66
|
66
|
86
|
200
|
111
|
23
|
46
|
61
|
39
|
60
|
81
|
143
|
93
|
76
|
70
|
87
|
24
|
39
|
|
2025/12
|
125
|
90
|
77
|
66
|
68
|
68
|
75
|
123
|
74
|
78
|
149
|
61
|
53
|
65
|
57
|
67
|
215
|
157
|
108
|
219
|
73
|
44
|
55
|
87
|
80
|
48
|
52
|
64
|
107
|
171
|
46
|
|
2025/11
|
60
|
62
|
63
|
70
|
86
|
59
|
11
|
50
|
95
|
77
|
46
|
41
|
64
|
90
|
102
|
85
|
43
|
33
|
32
|
37
|
54
|
59
|
65
|
92
|
89
|
61
|
227
|
90
|
64
|
71
|
|
|
2025/10
|
20
|
26
|
17
|
29
|
51
|
61
|
63
|
72
|
46
|
55
|
42
|
49
|
22
|
48
|
52
|
34
|
27
|
17
|
22
|
26
|
25
|
33
|
36
|
41
|
54
|
54
|
65
|
75
|
75
|
103
|
68
|
|
2025/09
|
22
|
21
|
25
|
32
|
25
|
40
|
44
|
44
|
33
|
35
|
25
|
17
|
19
|
20
|
16
|
25
|
22
|
21
|
22
|
16
|
42
|
43
|
59
|
15
|
21
|
29
|
30
|
31
|
37
|
18
|
|
|
2025/08
|
15
|
17
|
21
|
28
|
31
|
20
|
21
|
17
|
21
|
13
|
9
|
13
|
21
|
26
|
17
|
17
|
21
|
24
|
23
|
18
|
18
|
19
|
17
|
21
|
25
|
15
|
25
|
26
|
28
|
23
|
16
|
|
2025/07
|
15
|
15
|
19
|
21
|
28
|
31
|
37
|
23
|
16
|
31
|
39
|
22
|
22
|
26
|
25
|
23
|
23
|
31
|
42
|
20
|
19
|
15
|
18
|
22
|
24
|
24
|
24
|
20
|
24
|
23
|
20
|
|
2025/06
|
15
|
14
|
35
|
48
|
35
|
28
|
22
|
18
|
17
|
25
|
36
|
34
|
34
|
19
|
27
|
48
|
39
|
11
|
9
|
12
|
13
|
16
|
26
|
34
|
40
|
35
|
14
|
13
|
11
|
15
|
|
|
2025/05
|
56
|
54
|
58
|
52
|
46
|
118
|
107
|
48
|
36
|
34
|
39
|
38
|
42
|
53
|
55
|
38
|
87
|
83
|
64
|
43
|
26
|
40
|
62
|
67
|
58
|
58
|
63
|
62
|
37
|
40
|
31
|
|
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