Air Quality
Excellent
No health implications.
9
PM2.5
20
PM10
49
O3
0.8
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
49
Excellent
Mon
18 May
64
Good
Tue
19 May
70
Good
Wed
20 May
68
Good
Thu
21 May
69
Good
Fri
22 May
72
Good
Sat
23 May
41
Excellent
Air quality in the last 12 months (Yonghe)
|
2026/04
|
56
|
64
|
140
|
70
|
93
|
69
|
71
|
65
|
75
|
65
|
57
|
59
|
54
|
56
|
61
|
46
|
55
|
65
|
190
|
101
|
68
|
57
|
60
|
67
|
65
|
68
|
162
|
61
|
58
|
57
|
|
|
2026/03
|
42
|
44
|
78
|
79
|
64
|
43
|
49
|
68
|
74
|
80
|
60
|
71
|
128
|
72
|
62
|
73
|
77
|
71
|
67
|
76
|
82
|
96
|
84
|
72
|
80
|
80
|
74
|
71
|
58
|
65
|
48
|
|
2026/02
|
85
|
64
|
65
|
81
|
92
|
79
|
38
|
48
|
67
|
92
|
83
|
92
|
89
|
88
|
59
|
95
|
150
|
74
|
61
|
81
|
215
|
391
|
115
|
88
|
78
|
89
|
64
|
30
|
|||
|
2026/01
|
89
|
73
|
92
|
115
|
75
|
43
|
67
|
69
|
94
|
83
|
59
|
87
|
93
|
118
|
130
|
86
|
91
|
82
|
42
|
42
|
53
|
66
|
75
|
81
|
123
|
141
|
111
|
114
|
117
|
132
|
109
|
|
2025/12
|
89
|
45
|
54
|
68
|
80
|
90
|
90
|
76
|
87
|
100
|
84
|
65
|
93
|
100
|
87
|
94
|
84
|
73
|
80
|
66
|
63
|
78
|
123
|
81
|
54
|
65
|
71
|
81
|
77
|
66
|
73
|
|
2025/11
|
61
|
62
|
75
|
76
|
89
|
72
|
52
|
69
|
95
|
88
|
84
|
76
|
63
|
75
|
84
|
67
|
23
|
30
|
62
|
70
|
70
|
80
|
102
|
140
|
79
|
219
|
216
|
120
|
109
|
101
|
|
|
2025/10
|
58
|
33
|
48
|
45
|
39
|
26
|
28
|
30
|
15
|
14
|
27
|
29
|
43
|
50
|
37
|
49
|
35
|
41
|
48
|
47
|
45
|
54
|
66
|
71
|
51
|
55
|
58
|
67
|
70
|
73
|
65
|
|
2025/09
|
49
|
52
|
22
|
25
|
49
|
59
|
65
|
63
|
55
|
54
|
38
|
27
|
49
|
58
|
62
|
35
|
26
|
23
|
22
|
49
|
31
|
26
|
41
|
44
|
49
|
48
|
36
|
50
|
56
|
62
|
|
|
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
|
|
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