Air Quality
Excellent
No health implications.
9
PM2.5
19
PM10
35
O3
0.2
CO
3
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Aug
51
Good
Wed
27 Aug
52
Good
Thu
28 Aug
56
Good
Fri
29 Aug
58
Good
Sat
30 Aug
57
Good
Sun
31 Aug
51
Good
Mon
1 Sep
21
Excellent
Yu'an Air quality rank
Air quality in the last 12 months (Yu'an)
|
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
|
|
2025/04
|
52
|
63
|
61
|
57
|
77
|
62
|
56
|
57
|
63
|
67
|
51
|
201
|
93
|
81
|
40
|
52
|
63
|
59
|
69
|
70
|
40
|
89
|
67
|
62
|
62
|
53
|
41
|
63
|
52
|
46
|
|
|
2025/03
|
76
|
35
|
22
|
44
|
60
|
75
|
56
|
64
|
101
|
109
|
88
|
148
|
103
|
43
|
40
|
47
|
36
|
48
|
45
|
45
|
41
|
53
|
56
|
59
|
54
|
52
|
103
|
90
|
133
|
82
|
59
|
|
2025/02
|
108
|
70
|
117
|
60
|
48
|
39
|
83
|
42
|
39
|
54
|
66
|
95
|
69
|
64
|
81
|
80
|
78
|
55
|
69
|
72
|
56
|
66
|
93
|
82
|
77
|
99
|
65
|
83
|
|||
|
2025/01
|
95
|
181
|
200
|
176
|
82
|
68
|
49
|
59
|
51
|
57
|
62
|
71
|
72
|
125
|
63
|
57
|
63
|
71
|
101
|
119
|
115
|
210
|
219
|
86
|
29
|
58
|
49
|
59
|
181
|
74
|
160
|
|
2024/12
|
50
|
87
|
121
|
78
|
59
|
74
|
110
|
53
|
49
|
68
|
92
|
84
|
87
|
70
|
48
|
50
|
76
|
82
|
48
|
74
|
88
|
54
|
73
|
101
|
103
|
132
|
108
|
70
|
56
|
70
|
94
|
|
2024/11
|
67
|
105
|
73
|
88
|
58
|
61
|
50
|
50
|
62
|
82
|
55
|
64
|
65
|
104
|
144
|
90
|
28
|
33
|
29
|
41
|
43
|
71
|
61
|
47
|
49
|
47
|
61
|
56
|
36
|
47
|
|
|
2024/10
|
26
|
53
|
43
|
38
|
47
|
29
|
16
|
32
|
43
|
55
|
71
|
67
|
85
|
52
|
64
|
81
|
20
|
16
|
36
|
45
|
71
|
40
|
41
|
52
|
54
|
61
|
95
|
192
|
117
|
69
|
48
|
|
2024/09
|
31
|
44
|
33
|
38
|
45
|
61
|
45
|
45
|
37
|
35
|
50
|
17
|
20
|
37
|
51
|
42
|
38
|
31
|
34
|
22
|
35
|
31
|
39
|
43
|
44
|
61
|
45
|
47
|
47
|
53
|
|
|
2024/08
|
15
|
16
|
22
|
23
|
23
|
29
|
24
|
27
|
30
|
30
|
60
|
67
|
36
|
20
|
25
|
29
|
36
|
38
|
37
|
17
|
31
|
31
|
30
|
26
|
36
|
37
|
20
|
19
|
23
|
30
|
29
|
|
2024/07
|
18
|
17
|
20
|
15
|
18
|
18
|
22
|
20
|
26
|
23
|
34
|
23
|
11
|
11
|
22
|
30
|
20
|
22
|
17
|
16
|
15
|
19
|
25
|
33
|
26
|
28
|
13
|
9
|
10
|
13
|
15
|
|
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