Air Quality
Excellent
No health implications.
11
PM2.5
12
PM10
24
O3
0.4
CO
3
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
55
Good
Tue
20 Jan
59
Good
Wed
21 Jan
105
Light
Thu
22 Jan
105
Light
Fri
23 Jan
171
Moderate
Sat
24 Jan
180
Moderate
Sun
25 Jan
50
Excellent
Yu'an Air quality rank
Air quality in the last 12 months (Yu'an)
|
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
|
|
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
|
|
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