Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
29 Jan
Fri
30 Jan
Sat
31 Jan
Sun
1 Feb
Mon
2 Feb
Tue
3 Feb
Wed
4 Feb
Yanjin Air quality rank
Miaoli, Taiwan
Hualien, Taiwan
Sonid Left Banner, Inner Mongolia
Jiagedaqi, Heilongjiang
Panshan, Liaoning
Xilinhot, Inner Mongolia
Abag Banner, Inner Mongolia
East Ujumqin Banner, Inner Mongolia
Horqin Right Front Banner, Inner Mongolia
Yanjin, Henan
Air quality in the last 12 months (Yanjin)
|
2025/12
|
149
|
67
|
54
|
71
|
108
|
114
|
80
|
88
|
125
|
178
|
158
|
37
|
60
|
80
|
77
|
172
|
167
|
232
|
221
|
156
|
84
|
57
|
100
|
106
|
80
|
86
|
122
|
170
|
148
|
177
|
42
|
|
2025/11
|
92
|
68
|
78
|
102
|
87
|
153
|
105
|
70
|
71
|
93
|
96
|
100
|
93
|
116
|
119
|
107
|
45
|
42
|
45
|
61
|
67
|
67
|
73
|
98
|
77
|
129
|
209
|
137
|
100
|
105
|
|
|
2025/10
|
40
|
21
|
38
|
38
|
22
|
14
|
33
|
32
|
10
|
10
|
26
|
16
|
30
|
44
|
44
|
52
|
17
|
27
|
43
|
38
|
44
|
61
|
91
|
102
|
79
|
115
|
113
|
128
|
95
|
160
|
211
|
|
2025/09
|
41
|
35
|
33
|
23
|
24
|
52
|
58
|
41
|
29
|
38
|
30
|
22
|
49
|
48
|
43
|
28
|
23
|
20
|
19
|
34
|
42
|
17
|
28
|
37
|
45
|
40
|
16
|
40
|
42
|
56
|
|
|
2025/08
|
37
|
30
|
37
|
41
|
44
|
31
|
33
|
29
|
20
|
30
|
39
|
20
|
29
|
32
|
34
|
21
|
25
|
33
|
37
|
28
|
26
|
36
|
34
|
23
|
36
|
36
|
44
|
29
|
29
|
33
|
29
|
|
2025/07
|
16
|
23
|
21
|
31
|
31
|
32
|
39
|
32
|
37
|
54
|
68
|
55
|
43
|
42
|
46
|
39
|
31
|
44
|
48
|
49
|
39
|
34
|
16
|
18
|
31
|
31
|
33
|
32
|
32
|
29
|
39
|
|
2025/06
|
54
|
63
|
65
|
66
|
67
|
68
|
84
|
77
|
67
|
55
|
54
|
57
|
56
|
48
|
48
|
36
|
43
|
39
|
29
|
39
|
42
|
46
|
36
|
44
|
59
|
27
|
35
|
31
|
24
|
27
|
|
|
2025/05
|
70
|
103
|
58
|
54
|
172
|
138
|
107
|
83
|
66
|
39
|
54
|
59
|
71
|
66
|
50
|
85
|
124
|
75
|
95
|
72
|
80
|
72
|
80
|
60
|
59
|
54
|
62
|
61
|
64
|
70
|
49
|
|
2025/04
|
74
|
55
|
58
|
94
|
75
|
88
|
98
|
94
|
94
|
123
|
99
|
218
|
96
|
52
|
63
|
123
|
134
|
107
|
58
|
69
|
64
|
71
|
93
|
74
|
75
|
76
|
91
|
65
|
63
|
96
|
|
|
2025/03
|
110
|
59
|
43
|
41
|
91
|
96
|
85
|
87
|
108
|
109
|
102
|
139
|
124
|
61
|
75
|
45
|
49
|
58
|
66
|
55
|
54
|
66
|
97
|
294
|
197
|
124
|
101
|
159
|
67
|
61
|
74
|
|
2025/02
|
95
|
151
|
111
|
68
|
49
|
57
|
91
|
58
|
71
|
80
|
121
|
105
|
60
|
75
|
76
|
70
|
68
|
70
|
55
|
67
|
94
|
91
|
64
|
72
|
84
|
90
|
121
|
141
|
|||
|
2025/01
|
143
|
88
|
100
|
144
|
95
|
63
|
57
|
55
|
48
|
74
|
77
|
56
|
93
|
111
|
53
|
55
|
79
|
99
|
108
|
129
|
213
|
109
|
74
|
122
|
122
|
77
|
34
|
51
|
231
|
183
|
91
|
|
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
*: primary pollution