Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
19
PM2.5
93
*
PM10
77
O3
0.3
CO
7
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
13 Mar
182
Moderate
Fri
14 Mar
248
Heavy
Sat
15 Mar
130
Light
Sun
16 Mar
109
Light
Mon
17 Mar
164
Moderate
Tue
18 Mar
173
Moderate
Wed
19 Mar
28
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
|
||
|
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