Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
20
PM2.5
30
PM10
177
O3
0.5
CO
2
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Jun
96
Good
Tue
1 Jul
84
Good
Wed
2 Jul
78
Good
Thu
3 Jul
64
Good
Fri
4 Jul
99
Good
Sat
5 Jul
88
Good
Sun
6 Jul
20
Excellent
Air quality in the last 12 months (Mentougou)
|
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
|
|
2024/11
|
139
|
129
|
65
|
13
|
36
|
53
|
96
|
160
|
192
|
131
|
89
|
96
|
88
|
46
|
66
|
43
|
31
|
48
|
63
|
64
|
21
|
37
|
59
|
94
|
39
|
12
|
20
|
22
|
36
|
48
|
|
|
2024/10
|
9
|
19
|
32
|
67
|
83
|
88
|
27
|
27
|
72
|
12
|
43
|
84
|
126
|
97
|
37
|
39
|
55
|
36
|
12
|
33
|
51
|
23
|
37
|
48
|
143
|
207
|
14
|
39
|
84
|
83
|
185
|
|
2024/09
|
23
|
13
|
32
|
62
|
11
|
16
|
24
|
31
|
54
|
12
|
19
|
22
|
34
|
19
|
35
|
44
|
27
|
46
|
55
|
26
|
7
|
16
|
32
|
57
|
30
|
42
|
54
|
55
|
74
|
8
|
|
|
2024/08
|
24
|
33
|
31
|
29
|
14
|
34
|
51
|
38
|
46
|
19
|
19
|
9
|
20
|
30
|
44
|
46
|
36
|
20
|
22
|
12
|
18
|
26
|
36
|
30
|
30
|
10
|
17
|
26
|
36
|
45
|
60
|
|
2024/07
|
23
|
36
|
39
|
61
|
70
|
33
|
37
|
33
|
61
|
70
|
75
|
43
|
51
|
68
|
57
|
37
|
15
|
27
|
45
|
33
|
53
|
32
|
57
|
46
|
14
|
23
|
32
|
26
|
34
|
12
|
20
|
|
2024/06
|
42
|
49
|
55
|
66
|
62
|
64
|
52
|
47
|
33
|
31
|
25
|
49
|
54
|
33
|
23
|
61
|
67
|
68
|
68
|
61
|
56
|
81
|
139
|
19
|
28
|
63
|
64
|
57
|
60
|
41
|
|
|
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