Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
39
PM2.5
317
*
PM10
99
O3
0.2
CO
4
SO2
5
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
11 Mar
185
Moderate
Wed
12 Mar
135
Light
Thu
13 Mar
242
Heavy
Fri
14 Mar
249
Heavy
Sat
15 Mar
134
Light
Sun
16 Mar
121
Light
Mon
17 Mar
24
Excellent
Air quality in the last 12 months (Yanqi)
|
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
|
|
2024/06
|
28
|
57
|
72
|
35
|
34
|
60
|
66
|
56
|
37
|
61
|
52
|
39
|
34
|
33
|
45
|
30
|
35
|
83
|
128
|
53
|
60
|
47
|
45
|
49
|
43
|
52
|
55
|
51
|
51
|
52
|
|
|
2024/05
|
93
|
125
|
62
|
75
|
87
|
79
|
74
|
81
|
66
|
70
|
63
|
72
|
72
|
65
|
156
|
309
|
162
|
153
|
115
|
80
|
86
|
75
|
56
|
53
|
47
|
33
|
39
|
114
|
67
|
46
|
30
|
|
2024/04
|
57
|
29
|
55
|
56
|
41
|
54
|
87
|
64
|
115
|
73
|
38
|
79
|
392
|
394
|
250
|
132
|
100
|
53
|
34
|
70
|
85
|
56
|
69
|
56
|
60
|
51
|
89
|
103
|
57
|
54
|
|
|
2024/03
|
242
|
140
|
139
|
115
|
247
|
169
|
163
|
179
|
148
|
163
|
123
|
134
|
122
|
110
|
62
|
42
|
149
|
291
|
229
|
272
|
175
|
105
|
89
|
47
|
71
|
61
|
78
|
123
|
103
|
68
|
70
|
|
2024/02
|
77
|
68
|
65
|
63
|
54
|
56
|
99
|
134
|
86
|
76
|
81
|
66
|
66
|
108
|
161
|
247
|
440
|
479
|
465
|
325
|
188
|
182
|
211
|
223
|
208
|
181
|
156
|
100
|
153
|
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9
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10
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11
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12
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13
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14
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15
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20
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21
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22
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23
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24
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25
|
26
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27
|
28
|
29
|
30
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31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution