Air Quality
Excellent
No health implications.
21
PM2.5
39
PM10
129
O3
0.4
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
75
Good
Mon
28 Jul
75
Good
Tue
29 Jul
80
Good
Wed
30 Jul
91
Good
Thu
31 Jul
89
Good
Fri
1 Aug
88
Good
Sat
2 Aug
21
Excellent
Air quality in the last 12 months (Yonghe)
|
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
|
|
|
2024/08
|
43
|
51
|
39
|
39
|
38
|
33
|
22
|
36
|
41
|
80
|
33
|
42
|
45
|
45
|
46
|
43
|
43
|
31
|
41
|
38
|
38
|
49
|
55
|
56
|
53
|
20
|
35
|
45
|
52
|
51
|
55
|
|
2024/07
|
41
|
47
|
39
|
37
|
42
|
45
|
49
|
45
|
44
|
45
|
48
|
48
|
53
|
57
|
47
|
27
|
35
|
34
|
41
|
26
|
47
|
56
|
46
|
24
|
52
|
50
|
52
|
54
|
49
|
24
|
38
|
|
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