Air Quality
Excellent
No health implications.
6
PM2.5
8
PM10
45
O3
0.5
CO
6
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Aug
54
Good
Sun
16 Aug
58
Good
Mon
17 Aug
52
Good
Tue
18 Aug
56
Good
Wed
19 Aug
57
Good
Thu
20 Aug
57
Good
Fri
21 Aug
47
Excellent
Air quality in the last 12 months (Yu'an)
|
2026/07
|
27
|
28
|
28
|
15
|
14
|
13
|
12
|
17
|
20
|
23
|
29
|
18
|
19
|
31
|
20
|
22
|
25
|
32
|
32
|
30
|
20
|
18
|
15
|
20
|
24
|
30
|
19
|
23
|
17
|
18
|
20
|
|
2026/06
|
73
|
69
|
63
|
53
|
63
|
48
|
62
|
47
|
35
|
60
|
55
|
41
|
35
|
41
|
43
|
36
|
41
|
57
|
27
|
28
|
29
|
30
|
27
|
22
|
30
|
40
|
66
|
58
|
66
|
33
|
|
|
2026/05
|
33
|
36
|
30
|
30
|
31
|
36
|
39
|
38
|
38
|
48
|
40
|
57
|
61
|
62
|
33
|
37
|
42
|
26
|
19
|
23
|
32
|
55
|
62
|
50
|
18
|
20
|
25
|
39
|
54
|
52
|
58
|
|
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
|
|
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