Air Quality
Excellent
No health implications.
4
PM2.5
18
PM10
56
O3
0.7
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
104
Light
Sun
11 May
92
Good
Mon
12 May
108
Light
Tue
13 May
106
Light
Wed
14 May
107
Light
Thu
15 May
113
Light
Fri
16 May
19
Excellent
Air quality in the last 12 months (Yanjin)
|
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
|
|
2024/12
|
63
|
55
|
70
|
137
|
116
|
79
|
80
|
64
|
78
|
121
|
125
|
127
|
74
|
62
|
54
|
59
|
92
|
62
|
53
|
97
|
64
|
60
|
84
|
134
|
162
|
113
|
70
|
54
|
69
|
74
|
93
|
|
2024/11
|
56
|
77
|
101
|
58
|
48
|
82
|
76
|
64
|
61
|
114
|
151
|
175
|
129
|
67
|
70
|
72
|
53
|
53
|
50
|
74
|
84
|
115
|
82
|
66
|
42
|
42
|
72
|
45
|
40
|
70
|
|
|
2024/10
|
48
|
39
|
52
|
57
|
56
|
67
|
101
|
101
|
132
|
87
|
81
|
121
|
95
|
112
|
149
|
83
|
68
|
16
|
26
|
24
|
47
|
70
|
82
|
76
|
88
|
110
|
147
|
108
|
143
|
164
|
187
|
|
2024/09
|
52
|
25
|
37
|
50
|
38
|
24
|
51
|
60
|
56
|
35
|
24
|
30
|
33
|
44
|
35
|
44
|
50
|
40
|
43
|
46
|
16
|
27
|
47
|
62
|
88
|
107
|
93
|
67
|
60
|
13
|
|
|
2024/08
|
27
|
26
|
26
|
28
|
27
|
16
|
26
|
34
|
29
|
83
|
59
|
30
|
32
|
36
|
43
|
46
|
42
|
25
|
20
|
20
|
26
|
44
|
47
|
53
|
46
|
39
|
20
|
26
|
42
|
42
|
45
|
|
2024/07
|
27
|
27
|
47
|
21
|
20
|
32
|
30
|
13
|
38
|
65
|
62
|
32
|
51
|
72
|
54
|
43
|
26
|
25
|
25
|
17
|
34
|
35
|
26
|
38
|
21
|
20
|
26
|
17
|
13
|
16
|
18
|
|
2024/06
|
61
|
89
|
78
|
96
|
68
|
68
|
55
|
61
|
60
|
61
|
63
|
65
|
61
|
56
|
50
|
41
|
36
|
51
|
48
|
52
|
35
|
53
|
69
|
89
|
83
|
62
|
53
|
49
|
28
|
40
|
|
|
2024/05
|
49
|
53
|
51
|
53
|
70
|
81
|
77
|
71
|
63
|
77
|
155
|
114
|
109
|
92
|
72
|
72
|
72
|
71
|
58
|
59
|
61
|
55
|
62
|
66
|
63
|
68
|
44
|
53
|
66
|
51
|
83
|
|
2024/04
|
122
|
97
|
61
|
38
|
65
|
61
|
56
|
60
|
79
|
80
|
62
|
57
|
58
|
38
|
56
|
82
|
75
|
73
|
69
|
74
|
69
|
74
|
81
|
89
|
89
|
69
|
63
|
68
|
60
|
54
|
|
|
2024/03
|
96
|
94
|
87
|
107
|
98
|
88
|
99
|
49
|
65
|
82
|
84
|
105
|
100
|
120
|
73
|
98
|
96
|
74
|
99
|
76
|
100
|
112
|
92
|
46
|
36
|
69
|
47
|
86
|
93
|
108
|
84
|
|
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