Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
51
*
PM2.5
83
PM10
60
O3
0.5
CO
7
SO2
25
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 May
94
Good
Tue
13 May
82
Good
Wed
14 May
72
Good
Thu
15 May
85
Good
Fri
16 May
96
Good
Sat
17 May
96
Good
Sun
18 May
25
Excellent
Air quality in the last 12 months (Yuan'an)
|
2025/02
|
71
|
67
|
56
|
57
|
56
|
59
|
100
|
71
|
63
|
73
|
97
|
97
|
85
|
82
|
75
|
71
|
84
|
62
|
89
|
104
|
112
|
99
|
86
|
98
|
92
|
106
|
88
|
95
|
|||
|
2025/01
|
146
|
135
|
148
|
169
|
60
|
72
|
72
|
81
|
75
|
75
|
94
|
90
|
124
|
122
|
71
|
75
|
93
|
123
|
118
|
124
|
151
|
202
|
198
|
122
|
30
|
45
|
58
|
82
|
167
|
149
|
136
|
|
2024/12
|
84
|
88
|
89
|
60
|
43
|
48
|
49
|
75
|
89
|
71
|
62
|
98
|
76
|
54
|
64
|
81
|
92
|
88
|
61
|
90
|
89
|
64
|
62
|
71
|
105
|
102
|
156
|
80
|
99
|
119
|
124
|
|
2024/11
|
77
|
58
|
75
|
59
|
63
|
69
|
74
|
78
|
83
|
69
|
71
|
68
|
67
|
67
|
66
|
37
|
16
|
22
|
27
|
27
|
33
|
42
|
67
|
91
|
37
|
34
|
49
|
47
|
48
|
62
|
|
|
2024/10
|
27
|
47
|
50
|
45
|
54
|
37
|
26
|
52
|
58
|
58
|
57
|
56
|
46
|
55
|
52
|
54
|
35
|
22
|
24
|
33
|
33
|
32
|
30
|
50
|
50
|
51
|
48
|
58
|
85
|
75
|
52
|
|
2024/09
|
40
|
45
|
41
|
52
|
49
|
34
|
39
|
45
|
44
|
51
|
36
|
28
|
32
|
46
|
33
|
42
|
31
|
32
|
24
|
29
|
28
|
29
|
42
|
48
|
64
|
68
|
71
|
71
|
63
|
22
|
|
|
2024/08
|
21
|
22
|
22
|
21
|
24
|
22
|
21
|
27
|
34
|
63
|
86
|
51
|
32
|
35
|
38
|
29
|
27
|
24
|
21
|
34
|
29
|
33
|
37
|
33
|
34
|
35
|
17
|
24
|
30
|
38
|
44
|
|
2024/07
|
32
|
25
|
32
|
18
|
25
|
20
|
21
|
24
|
18
|
22
|
33
|
30
|
22
|
20
|
24
|
28
|
25
|
23
|
23
|
21
|
22
|
27
|
27
|
29
|
30
|
34
|
23
|
19
|
15
|
19
|
14
|
|
2024/06
|
50
|
51
|
42
|
24
|
22
|
44
|
49
|
42
|
42
|
39
|
39
|
30
|
33
|
41
|
41
|
47
|
30
|
35
|
41
|
41
|
38
|
22
|
32
|
45
|
42
|
37
|
45
|
16
|
27
|
30
|
|
|
2024/05
|
23
|
37
|
38
|
31
|
42
|
45
|
55
|
54
|
62
|
81
|
61
|
72
|
75
|
72
|
73
|
60
|
62
|
58
|
50
|
27
|
42
|
48
|
56
|
57
|
47
|
33
|
44
|
41
|
32
|
25
|
43
|
|
2024/04
|
43
|
25
|
64
|
65
|
53
|
37
|
46
|
46
|
40
|
42
|
44
|
42
|
42
|
46
|
50
|
40
|
41
|
53
|
39
|
54
|
60
|
60
|
83
|
105
|
52
|
55
|
55
|
43
|
47
|
21
|
|
|
2024/03
|
109
|
97
|
67
|
67
|
99
|
103
|
93
|
105
|
86
|
91
|
77
|
71
|
82
|
93
|
108
|
84
|
94
|
49
|
85
|
101
|
82
|
70
|
54
|
39
|
32
|
45
|
60
|
65
|
52
|
55
|
68
|
|
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