Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
113
O3
0.3
CO
4
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jun
91
Good
Sat
14 Jun
58
Good
Sun
15 Jun
90
Good
Mon
16 Jun
101
Light
Tue
17 Jun
108
Light
Wed
18 Jun
105
Light
Thu
19 Jun
30
Excellent
Air quality in the last 12 months (Yu'an)
|
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
|
|
2024/06
|
41
|
39
|
37
|
47
|
34
|
35
|
39
|
40
|
40
|
19
|
21
|
26
|
33
|
28
|
38
|
52
|
44
|
33
|
18
|
26
|
13
|
19
|
25
|
28
|
60
|
37
|
38
|
12
|
9
|
11
|
|
|
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