Air Quality
Excellent
No health implications.
21
PM2.5
46
PM10
67
O3
0.8
CO
8
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Sep
66
Good
Tue
30 Sep
65
Good
Wed
1 Oct
62
Good
Thu
2 Oct
71
Good
Fri
3 Oct
67
Good
Sat
4 Oct
68
Good
Sun
5 Oct
31
Excellent
Air quality in the last 12 months (Yonghe)
|
2025/08
|
51
|
51
|
53
|
46
|
40
|
44
|
47
|
44
|
33
|
40
|
44
|
49
|
47
|
55
|
41
|
21
|
43
|
43
|
43
|
29
|
36
|
45
|
24
|
36
|
48
|
42
|
28
|
31
|
36
|
48
|
48
|
|
2025/07
|
39
|
37
|
30
|
38
|
27
|
41
|
36
|
44
|
41
|
48
|
57
|
59
|
56
|
51
|
56
|
47
|
47
|
53
|
52
|
34
|
41
|
53
|
33
|
29
|
28
|
34
|
35
|
49
|
41
|
43
|
45
|
|
2025/06
|
51
|
47
|
40
|
47
|
56
|
56
|
60
|
50
|
65
|
53
|
60
|
59
|
56
|
41
|
42
|
47
|
46
|
52
|
36
|
41
|
40
|
48
|
52
|
50
|
55
|
44
|
46
|
34
|
46
|
39
|
|
|
2025/05
|
74
|
98
|
42
|
83
|
248
|
155
|
115
|
96
|
54
|
50
|
52
|
64
|
73
|
57
|
60
|
119
|
160
|
73
|
77
|
71
|
74
|
162
|
48
|
51
|
51
|
46
|
48
|
57
|
63
|
56
|
40
|
|
2025/04
|
68
|
61
|
91
|
112
|
67
|
90
|
106
|
100
|
81
|
57
|
183
|
162
|
114
|
48
|
57
|
116
|
144
|
97
|
71
|
76
|
147
|
141
|
96
|
53
|
63
|
66
|
55
|
50
|
69
|
111
|
|
|
2025/03
|
81
|
79
|
38
|
46
|
64
|
67
|
71
|
76
|
75
|
76
|
208
|
253
|
94
|
78
|
46
|
39
|
51
|
48
|
49
|
50
|
63
|
77
|
139
|
394
|
423
|
319
|
242
|
159
|
54
|
53
|
64
|
|
2025/02
|
105
|
76
|
35
|
55
|
38
|
111
|
46
|
38
|
55
|
72
|
74
|
75
|
65
|
72
|
78
|
74
|
71
|
78
|
72
|
74
|
81
|
69
|
50
|
52
|
67
|
71
|
72
|
72
|
|||
|
2025/01
|
81
|
65
|
69
|
82
|
96
|
58
|
55
|
53
|
56
|
63
|
74
|
62
|
98
|
64
|
53
|
59
|
73
|
81
|
79
|
86
|
86
|
97
|
129
|
141
|
77
|
81
|
37
|
71
|
147
|
91
|
102
|
|
2024/12
|
72
|
61
|
62
|
58
|
52
|
59
|
49
|
56
|
72
|
73
|
68
|
72
|
75
|
62
|
69
|
71
|
74
|
63
|
73
|
72
|
49
|
66
|
82
|
104
|
106
|
71
|
52
|
62
|
72
|
86
|
79
|
|
2024/11
|
63
|
57
|
68
|
56
|
60
|
65
|
76
|
84
|
96
|
103
|
110
|
96
|
62
|
57
|
70
|
75
|
61
|
60
|
46
|
67
|
77
|
85
|
102
|
96
|
58
|
62
|
80
|
46
|
55
|
69
|
|
|
2024/10
|
73
|
50
|
46
|
62
|
65
|
74
|
59
|
51
|
60
|
54
|
61
|
64
|
60
|
74
|
68
|
96
|
65
|
31
|
32
|
26
|
35
|
35
|
53
|
60
|
72
|
65
|
63
|
63
|
69
|
62
|
57
|
|
2024/09
|
48
|
47
|
43
|
46
|
26
|
49
|
32
|
49
|
56
|
43
|
42
|
42
|
50
|
36
|
50
|
45
|
45
|
49
|
44
|
33
|
27
|
50
|
58
|
63
|
63
|
64
|
79
|
63
|
30
|
29
|
|
|
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