Air Quality
Excellent
No health implications.
13
PM2.5
26
PM10
93
O3
0.2
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jun
69
Good
Fri
19 Jun
66
Good
Sat
20 Jun
66
Good
Sun
21 Jun
69
Good
Mon
22 Jun
66
Good
Tue
23 Jun
23
Excellent
Wed
24 Jun
30
Excellent
Air quality in the last 12 months (Yanqi)
|
2026/05
|
117
|
61
|
53
|
51
|
66
|
35
|
92
|
125
|
68
|
99
|
93
|
79
|
41
|
41
|
44
|
138
|
89
|
71
|
62
|
163
|
199
|
151
|
115
|
60
|
79
|
94
|
148
|
96
|
92
|
56
|
121
|
|
2026/04
|
93
|
63
|
63
|
59
|
44
|
41
|
80
|
87
|
61
|
77
|
66
|
59
|
63
|
60
|
75
|
95
|
89
|
67
|
49
|
84
|
83
|
75
|
89
|
88
|
57
|
61
|
75
|
39
|
54
|
103
|
|
|
2026/03
|
66
|
63
|
57
|
72
|
78
|
59
|
63
|
78
|
91
|
106
|
219
|
149
|
90
|
197
|
147
|
117
|
110
|
124
|
123
|
96
|
76
|
96
|
101
|
84
|
85
|
46
|
104
|
127
|
92
|
110
|
113
|
|
2026/02
|
65
|
70
|
87
|
77
|
79
|
72
|
119
|
155
|
133
|
184
|
203
|
154
|
121
|
87
|
55
|
68
|
78
|
113
|
206
|
140
|
100
|
88
|
108
|
69
|
86
|
83
|
104
|
76
|
|||
|
2026/01
|
44
|
88
|
80
|
64
|
43
|
43
|
45
|
63
|
69
|
66
|
35
|
59
|
59
|
56
|
64
|
55
|
55
|
62
|
63
|
112
|
187
|
177
|
165
|
151
|
141
|
125
|
111
|
102
|
73
|
75
|
71
|
|
2025/12
|
60
|
59
|
64
|
58
|
66
|
71
|
68
|
67
|
66
|
67
|
122
|
92
|
124
|
88
|
82
|
95
|
95
|
90
|
72
|
61
|
46
|
58
|
58
|
62
|
51
|
41
|
39
|
49
|
62
|
53
|
50
|
|
2025/11
|
77
|
84
|
91
|
85
|
66
|
39
|
45
|
58
|
76
|
88
|
91
|
75
|
82
|
86
|
74
|
47
|
37
|
70
|
81
|
94
|
100
|
106
|
110
|
94
|
90
|
76
|
133
|
87
|
83
|
59
|
|
|
2025/10
|
77
|
61
|
26
|
34
|
65
|
37
|
40
|
65
|
66
|
60
|
68
|
73
|
63
|
28
|
32
|
84
|
57
|
81
|
60
|
64
|
75
|
84
|
94
|
89
|
91
|
81
|
80
|
76
|
72
|
64
|
71
|
|
2025/09
|
107
|
401
|
367
|
66
|
112
|
236
|
229
|
133
|
136
|
50
|
39
|
43
|
56
|
38
|
42
|
30
|
31
|
49
|
49
|
43
|
21
|
79
|
75
|
26
|
9
|
21
|
62
|
63
|
64
|
102
|
|
|
2025/08
|
30
|
28
|
27
|
36
|
40
|
20
|
36
|
45
|
24
|
41
|
32
|
34
|
28
|
35
|
37
|
27
|
42
|
36
|
32
|
43
|
42
|
25
|
25
|
41
|
55
|
26
|
36
|
105
|
63
|
45
|
70
|
|
2025/07
|
31
|
23
|
18
|
65
|
72
|
65
|
27
|
25
|
29
|
24
|
54
|
31
|
110
|
63
|
51
|
47
|
43
|
22
|
70
|
74
|
56
|
45
|
61
|
81
|
43
|
45
|
54
|
52
|
57
|
67
|
37
|
|
2025/06
|
29
|
26
|
26
|
39
|
54
|
55
|
50
|
48
|
41
|
50
|
54
|
35
|
16
|
34
|
28
|
49
|
48
|
21
|
31
|
33
|
31
|
25
|
38
|
43
|
27
|
47
|
42
|
17
|
54
|
34
|
|
|
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