Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
35
PM2.5
71
*
PM10
35
O3
0.6
CO
5
SO2
35
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Dec
81
Good
Tue
16 Dec
57
Good
Wed
17 Dec
99
Good
Thu
18 Dec
132
Light
Fri
19 Dec
120
Light
Sat
20 Dec
62
Good
Sun
21 Dec
26
Excellent
Air quality in the last 12 months (Mentougou)
|
2025/11
|
17
|
26
|
60
|
72
|
153
|
178
|
64
|
56
|
34
|
43
|
63
|
70
|
27
|
50
|
69
|
27
|
18
|
25
|
48
|
32
|
52
|
57
|
82
|
47
|
38
|
63
|
32
|
59
|
91
|
89
|
|
|
2025/10
|
40
|
47
|
37
|
44
|
49
|
21
|
43
|
19
|
7
|
11
|
17
|
35
|
46
|
45
|
70
|
65
|
18
|
14
|
16
|
25
|
30
|
47
|
65
|
83
|
116
|
18
|
39
|
86
|
166
|
153
|
69
|
|
2025/09
|
21
|
38
|
45
|
46
|
42
|
23
|
27
|
31
|
48
|
43
|
52
|
57
|
48
|
27
|
26
|
20
|
16
|
21
|
32
|
38
|
41
|
33
|
45
|
46
|
35
|
44
|
55
|
37
|
34
|
39
|
|
|
2025/08
|
45
|
55
|
24
|
35
|
25
|
37
|
26
|
35
|
15
|
25
|
42
|
46
|
23
|
34
|
47
|
22
|
35
|
41
|
20
|
18
|
28
|
26
|
15
|
18
|
25
|
24
|
17
|
15
|
31
|
27
|
27
|
|
2025/07
|
36
|
35
|
23
|
26
|
13
|
14
|
40
|
30
|
45
|
23
|
51
|
49
|
18
|
38
|
51
|
37
|
11
|
33
|
65
|
18
|
26
|
43
|
44
|
31
|
23
|
47
|
48
|
25
|
7
|
16
|
34
|
|
2025/06
|
75
|
21
|
13
|
23
|
53
|
37
|
29
|
55
|
46
|
28
|
58
|
78
|
65
|
52
|
11
|
15
|
33
|
60
|
35
|
28
|
18
|
31
|
51
|
46
|
57
|
62
|
79
|
51
|
56
|
46
|
|
|
2025/05
|
33
|
36
|
21
|
50
|
52
|
36
|
70
|
98
|
30
|
44
|
55
|
74
|
76
|
28
|
48
|
75
|
72
|
40
|
57
|
89
|
82
|
64
|
47
|
53
|
54
|
48
|
50
|
60
|
67
|
72
|
88
|
|
2025/04
|
47
|
35
|
74
|
77
|
35
|
75
|
79
|
58
|
65
|
82
|
119
|
144
|
66
|
61
|
62
|
102
|
73
|
34
|
42
|
65
|
73
|
33
|
60
|
48
|
68
|
102
|
32
|
61
|
60
|
39
|
|
|
2025/03
|
196
|
83
|
40
|
55
|
70
|
24
|
71
|
108
|
134
|
145
|
210
|
74
|
109
|
74
|
57
|
40
|
49
|
47
|
42
|
54
|
40
|
66
|
150
|
118
|
84
|
82
|
50
|
35
|
44
|
63
|
70
|
|
2025/02
|
102
|
55
|
11
|
19
|
25
|
57
|
22
|
15
|
25
|
54
|
99
|
28
|
49
|
55
|
74
|
26
|
26
|
35
|
28
|
20
|
26
|
21
|
19
|
40
|
41
|
48
|
100
|
111
|
|||
|
2025/01
|
48
|
29
|
41
|
48
|
49
|
17
|
16
|
15
|
17
|
24
|
43
|
34
|
49
|
26
|
27
|
46
|
58
|
69
|
33
|
52
|
42
|
56
|
74
|
104
|
138
|
108
|
26
|
27
|
73
|
71
|
75
|
|
2024/12
|
48
|
17
|
40
|
38
|
25
|
25
|
14
|
35
|
48
|
45
|
55
|
70
|
25
|
32
|
40
|
38
|
26
|
18
|
39
|
41
|
18
|
34
|
48
|
54
|
57
|
28
|
22
|
45
|
58
|
77
|
48
|
|
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