Air Quality
Excellent
No health implications.
10
PM2.5
29
PM10
119
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
94
Good
Mon
16 Jun
92
Good
Tue
17 Jun
122
Light
Wed
18 Jun
113
Light
Thu
19 Jun
86
Good
Fri
20 Jun
111
Light
Sat
21 Jun
77
Good
Air quality in the last 12 months (Jiyuan)
|
2025/05
|
64
|
90
|
68
|
54
|
151
|
152
|
146
|
89
|
72
|
37
|
39
|
42
|
58
|
59
|
48
|
57
|
120
|
77
|
82
|
77
|
80
|
63
|
79
|
51
|
48
|
48
|
61
|
63
|
70
|
61
|
50
|
|
2025/04
|
58
|
57
|
61
|
77
|
57
|
73
|
81
|
88
|
80
|
75
|
99
|
237
|
107
|
48
|
49
|
106
|
132
|
111
|
83
|
75
|
65
|
120
|
113
|
73
|
68
|
80
|
62
|
56
|
44
|
113
|
|
|
2025/03
|
103
|
59
|
40
|
54
|
74
|
106
|
77
|
77
|
110
|
119
|
99
|
117
|
139
|
78
|
49
|
37
|
33
|
43
|
43
|
36
|
39
|
58
|
84
|
326
|
226
|
180
|
158
|
141
|
46
|
45
|
58
|
|
2025/02
|
117
|
150
|
66
|
32
|
31
|
53
|
53
|
29
|
65
|
100
|
146
|
77
|
50
|
48
|
58
|
64
|
72
|
91
|
58
|
76
|
132
|
129
|
91
|
87
|
75
|
71
|
98
|
120
|
|||
|
2025/01
|
102
|
141
|
131
|
116
|
64
|
60
|
45
|
47
|
59
|
62
|
60
|
52
|
82
|
73
|
31
|
40
|
64
|
80
|
69
|
96
|
123
|
178
|
97
|
125
|
116
|
65
|
26
|
43
|
117
|
161
|
138
|
|
2024/12
|
48
|
56
|
59
|
97
|
34
|
40
|
42
|
65
|
105
|
114
|
127
|
124
|
59
|
47
|
45
|
55
|
86
|
81
|
71
|
80
|
46
|
77
|
97
|
132
|
108
|
98
|
63
|
35
|
49
|
68
|
70
|
|
2024/11
|
45
|
66
|
60
|
51
|
54
|
82
|
107
|
84
|
65
|
101
|
166
|
201
|
139
|
76
|
75
|
70
|
50
|
53
|
41
|
52
|
66
|
101
|
106
|
76
|
46
|
45
|
71
|
45
|
35
|
38
|
|
|
2024/10
|
56
|
52
|
54
|
56
|
66
|
71
|
99
|
136
|
119
|
56
|
77
|
103
|
118
|
100
|
122
|
127
|
81
|
22
|
33
|
24
|
45
|
28
|
36
|
54
|
90
|
77
|
54
|
154
|
122
|
135
|
170
|
|
2024/09
|
46
|
28
|
39
|
52
|
29
|
30
|
50
|
62
|
62
|
31
|
32
|
36
|
42
|
60
|
44
|
49
|
57
|
48
|
25
|
34
|
22
|
36
|
51
|
64
|
75
|
114
|
103
|
71
|
49
|
16
|
|
|
2024/08
|
38
|
47
|
35
|
29
|
39
|
35
|
24
|
40
|
30
|
108
|
59
|
26
|
41
|
38
|
44
|
50
|
37
|
40
|
43
|
27
|
26
|
38
|
47
|
58
|
43
|
31
|
22
|
31
|
40
|
48
|
50
|
|
2024/07
|
28
|
31
|
50
|
37
|
32
|
29
|
48
|
23
|
40
|
60
|
51
|
53
|
51
|
80
|
72
|
38
|
27
|
24
|
39
|
31
|
46
|
42
|
38
|
45
|
45
|
37
|
40
|
34
|
19
|
19
|
28
|
|
2024/06
|
64
|
51
|
45
|
61
|
55
|
71
|
63
|
54
|
50
|
53
|
56
|
56
|
61
|
47
|
58
|
45
|
31
|
44
|
50
|
54
|
36
|
51
|
62
|
103
|
96
|
82
|
55
|
57
|
43
|
50
|
|
|
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