Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
23
PM2.5
91
*
PM10
41
O3
0.4
CO
6
SO2
30
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
14 Sep
129
Light
Mon
15 Sep
257
Heavy
Tue
16 Sep
263
Heavy
Wed
17 Sep
191
Moderate
Thu
18 Sep
119
Light
Fri
19 Sep
18
Excellent
Sat
20 Sep
35
Excellent
Yanqi Air quality rank
Air quality in the last 12 months (Yanqi)
|
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
|
|
|
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
|
|
|
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