Air Quality
Excellent
No health implications.
10
PM2.5
35
PM10
85
O3
0.3
CO
3
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
68
Good
Sun
13 Jul
76
Good
Mon
14 Jul
79
Good
Tue
15 Jul
84
Good
Wed
16 Jul
85
Good
Thu
17 Jul
82
Good
Fri
18 Jul
47
Excellent
Air quality in the last 12 months (Yanqi)
|
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
|
|
|
2025/05
|
86
|
87
|
36
|
267
|
416
|
63
|
100
|
170
|
64
|
65
|
64
|
52
|
40
|
80
|
80
|
58
|
72
|
148
|
114
|
40
|
88
|
103
|
94
|
68
|
57
|
77
|
88
|
75
|
149
|
101
|
79
|
|
2025/04
|
463
|
439
|
196
|
144
|
346
|
185
|
110
|
61
|
60
|
143
|
63
|
43
|
126
|
239
|
117
|
94
|
293
|
414
|
182
|
99
|
69
|
269
|
195
|
159
|
93
|
45
|
46
|
81
|
122
|
102
|
|
|
2025/03
|
104
|
99
|
75
|
71
|
75
|
200
|
245
|
101
|
116
|
138
|
276
|
145
|
82
|
156
|
80
|
116
|
130
|
182
|
152
|
99
|
144
|
272
|
316
|
154
|
213
|
445
|
153
|
93
|
215
|
391
|
442
|
|
2025/02
|
70
|
78
|
74
|
62
|
57
|
213
|
152
|
186
|
159
|
113
|
238
|
309
|
171
|
170
|
161
|
144
|
126
|
105
|
125
|
109
|
89
|
68
|
76
|
224
|
232
|
187
|
169
|
119
|
|||
|
2025/01
|
83
|
70
|
67
|
74
|
69
|
65
|
57
|
58
|
57
|
44
|
34
|
31
|
52
|
49
|
45
|
62
|
71
|
64
|
65
|
70
|
75
|
73
|
65
|
52
|
136
|
410
|
274
|
280
|
167
|
153
|
116
|
|
2024/12
|
76
|
77
|
62
|
65
|
54
|
54
|
61
|
58
|
54
|
24
|
31
|
34
|
28
|
33
|
39
|
44
|
45
|
50
|
49
|
52
|
51
|
56
|
67
|
69
|
66
|
55
|
57
|
95
|
89
|
73
|
69
|
|
2024/11
|
70
|
76
|
78
|
77
|
105
|
93
|
83
|
59
|
48
|
64
|
70
|
70
|
82
|
54
|
36
|
52
|
66
|
66
|
77
|
70
|
60
|
69
|
62
|
50
|
41
|
41
|
50
|
89
|
78
|
78
|
|
|
2024/10
|
86
|
76
|
74
|
45
|
42
|
60
|
74
|
78
|
71
|
81
|
100
|
96
|
74
|
63
|
75
|
79
|
58
|
49
|
37
|
45
|
42
|
69
|
99
|
100
|
72
|
83
|
79
|
82
|
50
|
34
|
47
|
|
2024/09
|
89
|
56
|
17
|
25
|
118
|
101
|
96
|
51
|
99
|
51
|
52
|
81
|
74
|
72
|
45
|
70
|
85
|
77
|
61
|
66
|
75
|
90
|
49
|
31
|
34
|
68
|
36
|
47
|
46
|
39
|
|
|
2024/08
|
43
|
59
|
56
|
44
|
42
|
63
|
18
|
19
|
48
|
58
|
32
|
27
|
35
|
30
|
57
|
47
|
61
|
67
|
54
|
54
|
76
|
54
|
48
|
58
|
83
|
50
|
59
|
47
|
52
|
45
|
33
|
|
2024/07
|
48
|
37
|
22
|
37
|
41
|
56
|
30
|
45
|
44
|
29
|
49
|
50
|
29
|
29
|
30
|
54
|
48
|
45
|
66
|
73
|
80
|
58
|
67
|
64
|
66
|
47
|
38
|
43
|
49
|
45
|
60
|
|
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