Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
69
*
PM2.5
94
PM10
25
O3
1.2
CO
7
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
16 Oct
50
Excellent
Fri
17 Oct
48
Excellent
Sat
18 Oct
41
Excellent
Sun
19 Oct
38
Excellent
Mon
20 Oct
47
Excellent
Tue
21 Oct
46
Excellent
Wed
22 Oct
23
Excellent
Huairou Air quality rank
Air quality in the last 12 months (Huairou)
|
2025/08
|
40
|
53
|
17
|
40
|
22
|
24
|
14
|
27
|
7
|
20
|
38
|
27
|
19
|
24
|
43
|
13
|
32
|
40
|
18
|
17
|
34
|
16
|
19
|
14
|
17
|
20
|
16
|
13
|
34
|
30
|
22
|
|
2025/07
|
22
|
35
|
21
|
31
|
16
|
8
|
25
|
39
|
37
|
30
|
46
|
44
|
11
|
25
|
41
|
26
|
10
|
21
|
48
|
16
|
19
|
34
|
39
|
26
|
23
|
46
|
36
|
13
|
7
|
12
|
24
|
|
2025/06
|
55
|
17
|
9
|
17
|
42
|
24
|
20
|
44
|
39
|
22
|
42
|
62
|
57
|
49
|
12
|
12
|
30
|
57
|
33
|
19
|
11
|
22
|
39
|
50
|
65
|
52
|
69
|
45
|
51
|
47
|
|
|
2025/05
|
26
|
26
|
15
|
29
|
51
|
18
|
71
|
94
|
21
|
37
|
52
|
63
|
68
|
25
|
45
|
68
|
36
|
32
|
41
|
79
|
74
|
62
|
42
|
27
|
45
|
47
|
31
|
46
|
65
|
68
|
64
|
|
2025/04
|
19
|
15
|
48
|
54
|
15
|
53
|
50
|
32
|
47
|
62
|
103
|
88
|
75
|
50
|
51
|
92
|
57
|
15
|
28
|
63
|
61
|
22
|
38
|
22
|
39
|
75
|
19
|
43
|
57
|
29
|
|
|
2025/03
|
177
|
63
|
36
|
49
|
64
|
15
|
67
|
105
|
140
|
137
|
195
|
50
|
71
|
70
|
47
|
16
|
16
|
20
|
19
|
16
|
22
|
42
|
115
|
70
|
35
|
75
|
41
|
23
|
15
|
36
|
47
|
|
2025/02
|
88
|
55
|
7
|
11
|
17
|
28
|
16
|
10
|
12
|
47
|
104
|
18
|
43
|
47
|
68
|
26
|
14
|
18
|
14
|
13
|
12
|
10
|
10
|
27
|
31
|
36
|
91
|
122
|
|||
|
2025/01
|
35
|
17
|
26
|
40
|
30
|
8
|
8
|
8
|
19
|
16
|
19
|
21
|
33
|
9
|
25
|
43
|
49
|
58
|
30
|
38
|
29
|
38
|
76
|
103
|
145
|
105
|
12
|
15
|
45
|
32
|
69
|
|
2024/12
|
37
|
10
|
27
|
15
|
15
|
13
|
8
|
14
|
24
|
23
|
23
|
50
|
14
|
15
|
23
|
23
|
11
|
12
|
33
|
32
|
10
|
16
|
18
|
48
|
50
|
17
|
11
|
34
|
49
|
51
|
31
|
|
2024/11
|
126
|
130
|
72
|
7
|
23
|
31
|
79
|
150
|
160
|
107
|
52
|
62
|
72
|
52
|
66
|
38
|
17
|
30
|
50
|
57
|
21
|
26
|
47
|
81
|
48
|
6
|
8
|
9
|
15
|
27
|
|
|
2024/10
|
6
|
11
|
21
|
60
|
76
|
69
|
16
|
12
|
63
|
9
|
36
|
75
|
97
|
110
|
36
|
38
|
50
|
24
|
9
|
25
|
53
|
17
|
29
|
54
|
134
|
176
|
29
|
22
|
82
|
49
|
90
|
|
2024/09
|
17
|
11
|
30
|
53
|
14
|
11
|
11
|
17
|
46
|
11
|
11
|
12
|
20
|
18
|
14
|
21
|
14
|
21
|
44
|
18
|
6
|
8
|
24
|
47
|
30
|
19
|
38
|
35
|
59
|
7
|
|
|
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