Air Quality
Excellent
No health implications.
3
PM2.5
18
PM10
23
O3
0.2
CO
1
SO2
40
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Apr
72
Good
Sun
12 Apr
104
Light
Mon
13 Apr
62
Good
Tue
14 Apr
76
Good
Wed
15 Apr
99
Good
Thu
16 Apr
44
Excellent
Fri
17 Apr
17
Excellent
Air quality in the last 12 months (Mentougou)
|
2026/02
|
47
|
36
|
54
|
70
|
25
|
19
|
20
|
39
|
71
|
70
|
39
|
63
|
77
|
52
|
27
|
29
|
41
|
32
|
55
|
70
|
156
|
39
|
37
|
61
|
103
|
84
|
41
|
67
|
|||
|
2026/01
|
37
|
42
|
59
|
55
|
48
|
40
|
28
|
60
|
71
|
37
|
36
|
50
|
42
|
62
|
94
|
49
|
28
|
38
|
15
|
22
|
25
|
38
|
46
|
43
|
40
|
55
|
38
|
63
|
75
|
111
|
101
|
|
2025/12
|
24
|
21
|
38
|
30
|
51
|
86
|
45
|
38
|
55
|
72
|
49
|
51
|
33
|
45
|
59
|
55
|
94
|
152
|
118
|
17
|
38
|
69
|
41
|
21
|
27
|
49
|
66
|
71
|
31
|
24
|
26
|
|
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
|
|
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