Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
83
*
PM2.5
113
PM10
34
O3
0.7
CO
6
SO2
57
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
31 Jan
102
Light
Sun
1 Feb
151
Moderate
Mon
2 Feb
95
Good
Tue
3 Feb
103
Light
Wed
4 Feb
127
Light
Thu
5 Feb
87
Good
Fri
6 Feb
35
Excellent
Yanshan Air quality rank
Air quality in the last 12 months (Yanshan)
|
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
|
|
2025/09
|
26
|
32
|
52
|
50
|
45
|
43
|
54
|
57
|
40
|
47
|
58
|
53
|
57
|
63
|
66
|
55
|
29
|
33
|
24
|
33
|
45
|
28
|
38
|
49
|
55
|
48
|
38
|
52
|
62
|
66
|
|
|
2025/08
|
31
|
27
|
37
|
30
|
35
|
34
|
36
|
30
|
23
|
31
|
38
|
38
|
40
|
60
|
40
|
11
|
16
|
22
|
37
|
34
|
26
|
23
|
29
|
22
|
29
|
32
|
39
|
14
|
25
|
20
|
21
|
|
2025/07
|
24
|
28
|
20
|
36
|
36
|
23
|
25
|
29
|
31
|
51
|
47
|
47
|
41
|
24
|
32
|
31
|
34
|
33
|
28
|
45
|
39
|
27
|
15
|
29
|
38
|
33
|
28
|
36
|
26
|
28
|
26
|
|
2025/06
|
60
|
54
|
37
|
32
|
57
|
69
|
67
|
53
|
67
|
34
|
54
|
69
|
67
|
57
|
31
|
25
|
43
|
44
|
29
|
36
|
44
|
49
|
43
|
49
|
57
|
53
|
53
|
64
|
50
|
26
|
|
|
2025/05
|
55
|
60
|
41
|
45
|
62
|
44
|
58
|
68
|
37
|
30
|
52
|
55
|
57
|
54
|
35
|
71
|
64
|
63
|
83
|
70
|
60
|
73
|
61
|
50
|
48
|
56
|
53
|
60
|
61
|
56
|
58
|
|
2025/04
|
67
|
31
|
52
|
78
|
40
|
68
|
87
|
76
|
51
|
72
|
81
|
167
|
55
|
59
|
51
|
78
|
87
|
56
|
37
|
67
|
66
|
77
|
70
|
50
|
64
|
70
|
51
|
54
|
62
|
73
|
|
|
2025/03
|
149
|
73
|
49
|
52
|
78
|
77
|
80
|
110
|
118
|
104
|
108
|
140
|
96
|
64
|
46
|
36
|
48
|
31
|
56
|
58
|
57
|
66
|
101
|
106
|
69
|
98
|
87
|
51
|
39
|
57
|
76
|
|
2025/02
|
54
|
73
|
30
|
27
|
40
|
80
|
37
|
30
|
56
|
79
|
110
|
77
|
92
|
92
|
106
|
66
|
40
|
50
|
53
|
61
|
53
|
60
|
47
|
56
|
67
|
88
|
130
|
176
|
|||
|
2025/01
|
106
|
40
|
60
|
135
|
154
|
36
|
52
|
45
|
38
|
59
|
81
|
68
|
87
|
88
|
43
|
64
|
63
|
119
|
117
|
82
|
103
|
38
|
60
|
79
|
73
|
86
|
32
|
57
|
253
|
66
|
49
|
|
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