Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
89
*
PM2.5
125
PM10
6
O3
0.8
CO
9
SO2
44
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
14 Nov
192
Moderate
Sun
15 Nov
127
Light
Mon
16 Nov
57
Good
Tue
17 Nov
78
Good
Wed
18 Nov
55
Good
Thu
19 Nov
47
Excellent
Fri
20 Nov
36
Excellent
Air quality in the last 12 months (Yanshan)
|
2026/09
|
28
|
36
|
50
|
65
|
53
|
36
|
35
|
25
|
28
|
37
|
43
|
61
|
57
|
51
|
67
|
77
|
72
|
55
|
44
|
59
|
46
|
46
|
66
|
77
|
77
|
84
|
60
|
47
|
68
|
44
|
|
|
2026/08
|
28
|
32
|
36
|
42
|
39
|
46
|
53
|
34
|
39
|
35
|
27
|
30
|
30
|
35
|
42
|
39
|
37
|
41
|
52
|
58
|
39
|
27
|
27
|
30
|
30
|
29
|
30
|
27
|
38
|
45
|
37
|
|
2026/07
|
44
|
83
|
72
|
55
|
43
|
43
|
37
|
39
|
40
|
36
|
43
|
35
|
18
|
30
|
40
|
51
|
45
|
41
|
51
|
59
|
46
|
57
|
39
|
46
|
39
|
39
|
40
|
33
|
28
|
27
|
28
|
|
2026/06
|
81
|
88
|
68
|
37
|
32
|
30
|
29
|
38
|
44
|
48
|
52
|
72
|
60
|
53
|
59
|
53
|
56
|
65
|
49
|
39
|
35
|
50
|
66
|
64
|
39
|
42
|
63
|
73
|
61
|
50
|
|
|
2026/05
|
67
|
45
|
30
|
37
|
49
|
54
|
46
|
56
|
55
|
48
|
57
|
67
|
60
|
74
|
51
|
44
|
46
|
27
|
30
|
32
|
45
|
48
|
38
|
62
|
25
|
31
|
47
|
44
|
43
|
59
|
69
|
|
2026/04
|
98
|
79
|
86
|
59
|
64
|
43
|
37
|
54
|
66
|
69
|
62
|
75
|
68
|
71
|
88
|
75
|
86
|
91
|
76
|
85
|
65
|
41
|
58
|
52
|
50
|
53
|
53
|
37
|
46
|
51
|
|
|
2026/03
|
81
|
111
|
134
|
124
|
69
|
67
|
53
|
124
|
81
|
114
|
146
|
82
|
119
|
93
|
47
|
84
|
148
|
56
|
55
|
86
|
96
|
112
|
123
|
108
|
124
|
110
|
81
|
86
|
102
|
39
|
53
|
|
2026/02
|
218
|
96
|
103
|
163
|
137
|
49
|
50
|
59
|
76
|
98
|
89
|
113
|
126
|
145
|
51
|
79
|
163
|
72
|
68
|
71
|
173
|
71
|
61
|
82
|
75
|
71
|
59
|
63
|
|||
|
2026/01
|
48
|
49
|
134
|
217
|
111
|
186
|
42
|
61
|
100
|
50
|
36
|
76
|
64
|
94
|
149
|
75
|
35
|
37
|
40
|
35
|
55
|
88
|
103
|
154
|
73
|
55
|
96
|
107
|
57
|
58
|
108
|
|
2025/12
|
65
|
32
|
46
|
56
|
64
|
133
|
123
|
39
|
104
|
157
|
69
|
24
|
60
|
92
|
98
|
132
|
81
|
128
|
223
|
62
|
39
|
60
|
67
|
53
|
27
|
58
|
99
|
156
|
119
|
85
|
31
|
|
2025/11
|
93
|
29
|
50
|
90
|
99
|
97
|
73
|
86
|
70
|
74
|
90
|
130
|
46
|
79
|
175
|
100
|
35
|
48
|
60
|
51
|
69
|
108
|
117
|
135
|
30
|
102
|
52
|
103
|
151
|
152
|
|
|
2025/10
|
75
|
29
|
20
|
36
|
22
|
23
|
38
|
30
|
12
|
19
|
25
|
29
|
35
|
48
|
68
|
48
|
39
|
25
|
35
|
33
|
45
|
53
|
64
|
69
|
85
|
65
|
59
|
147
|
114
|
102
|
65
|
|
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