Air Quality
Excellent
No health implications.
31
PM2.5
50
PM10
154
O3
0.7
CO
11
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
123
Light
Sun
15 Jun
103
Light
Mon
16 Jun
104
Light
Tue
17 Jun
140
Light
Wed
18 Jun
142
Light
Thu
19 Jun
110
Light
Fri
20 Jun
27
Excellent
Air quality in the last 12 months (Yiyuan)
|
2025/05
|
50
|
59
|
39
|
43
|
48
|
52
|
60
|
53
|
18
|
27
|
47
|
51
|
52
|
59
|
42
|
67
|
70
|
51
|
79
|
67
|
63
|
63
|
44
|
51
|
45
|
50
|
49
|
46
|
45
|
48
|
58
|
|
2025/04
|
66
|
36
|
47
|
72
|
51
|
61
|
85
|
90
|
65
|
72
|
65
|
135
|
48
|
56
|
54
|
69
|
111
|
74
|
48
|
55
|
51
|
82
|
68
|
66
|
67
|
58
|
61
|
54
|
56
|
68
|
|
|
2025/03
|
73
|
21
|
45
|
65
|
95
|
97
|
73
|
101
|
111
|
108
|
107
|
146
|
61
|
59
|
65
|
40
|
52
|
33
|
51
|
64
|
57
|
66
|
92
|
102
|
121
|
88
|
97
|
72
|
41
|
56
|
68
|
|
2025/02
|
76
|
118
|
56
|
38
|
39
|
58
|
44
|
27
|
51
|
77
|
70
|
103
|
79
|
83
|
100
|
90
|
52
|
60
|
55
|
64
|
81
|
47
|
55
|
49
|
71
|
91
|
122
|
138
|
|||
|
2025/01
|
133
|
103
|
78
|
136
|
184
|
59
|
55
|
46
|
45
|
51
|
87
|
107
|
105
|
103
|
42
|
66
|
83
|
111
|
128
|
95
|
134
|
142
|
113
|
124
|
85
|
74
|
32
|
62
|
141
|
94
|
122
|
|
2024/12
|
99
|
76
|
58
|
94
|
129
|
109
|
51
|
57
|
90
|
118
|
74
|
66
|
72
|
67
|
79
|
90
|
92
|
41
|
61
|
94
|
48
|
60
|
81
|
114
|
163
|
73
|
64
|
69
|
77
|
101
|
89
|
|
2024/11
|
108
|
70
|
85
|
48
|
51
|
55
|
56
|
53
|
57
|
72
|
100
|
140
|
115
|
53
|
77
|
79
|
51
|
37
|
45
|
71
|
100
|
64
|
44
|
58
|
35
|
27
|
39
|
47
|
59
|
71
|
|
|
2024/10
|
24
|
23
|
41
|
53
|
53
|
52
|
54
|
46
|
65
|
94
|
72
|
75
|
71
|
65
|
87
|
72
|
54
|
12
|
33
|
38
|
61
|
56
|
42
|
73
|
84
|
73
|
101
|
48
|
76
|
113
|
130
|
|
2024/09
|
41
|
20
|
32
|
46
|
34
|
21
|
39
|
47
|
38
|
38
|
21
|
38
|
46
|
31
|
26
|
35
|
38
|
28
|
23
|
24
|
18
|
31
|
34
|
49
|
60
|
70
|
46
|
47
|
42
|
31
|
|
|
2024/08
|
23
|
23
|
29
|
25
|
14
|
17
|
30
|
22
|
30
|
44
|
84
|
40
|
40
|
35
|
37
|
38
|
36
|
32
|
23
|
23
|
39
|
50
|
52
|
53
|
52
|
30
|
14
|
35
|
38
|
50
|
58
|
|
2024/07
|
44
|
32
|
33
|
26
|
28
|
14
|
22
|
32
|
51
|
62
|
67
|
74
|
60
|
43
|
32
|
17
|
32
|
52
|
25
|
14
|
29
|
27
|
34
|
40
|
27
|
15
|
13
|
10
|
23
|
23
|
23
|
|
2024/06
|
30
|
54
|
55
|
45
|
36
|
48
|
41
|
56
|
56
|
64
|
53
|
52
|
51
|
59
|
41
|
37
|
37
|
41
|
39
|
36
|
44
|
53
|
85
|
93
|
65
|
45
|
23
|
44
|
43
|
52
|
|
|
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