Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
35
O3
0.6
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
58
Good
Tue
26 May
53
Good
Wed
27 May
72
Good
Thu
28 May
85
Good
Fri
29 May
88
Good
Sat
30 May
91
Good
Sun
31 May
34
Excellent
Air quality in the last 12 months (Yanjin)
|
2026/04
|
59
|
77
|
61
|
59
|
82
|
82
|
73
|
55
|
54
|
70
|
62
|
64
|
44
|
45
|
46
|
74
|
87
|
73
|
66
|
79
|
45
|
34
|
44
|
48
|
46
|
64
|
95
|
65
|
39
|
62
|
|
|
2026/03
|
61
|
93
|
133
|
125
|
95
|
71
|
68
|
106
|
116
|
153
|
150
|
167
|
153
|
120
|
37
|
73
|
130
|
69
|
66
|
103
|
83
|
79
|
112
|
103
|
90
|
78
|
97
|
114
|
43
|
68
|
72
|
|
2026/02
|
122
|
142
|
140
|
115
|
118
|
63
|
67
|
96
|
72
|
82
|
85
|
99
|
120
|
125
|
68
|
43
|
125
|
72
|
64
|
58
|
82
|
236
|
171
|
67
|
43
|
47
|
91
|
79
|
|||
|
2026/01
|
63
|
118
|
150
|
164
|
223
|
44
|
45
|
69
|
61
|
74
|
54
|
70
|
86
|
124
|
83
|
120
|
72
|
67
|
56
|
48
|
81
|
120
|
174
|
178
|
192
|
181
|
223
|
165
|
193
|
111
|
167
|
|
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
|
|
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