Air Quality
Excellent
No health implications.
13
PM2.5
29
PM10
47
O3
0.4
CO
2
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Nov
52
Good
Sat
23 Nov
96
Good
Sun
24 Nov
141
Light
Mon
25 Nov
69
Good
Tue
26 Nov
39
Excellent
Wed
27 Nov
41
Excellent
Thu
28 Nov
41
Excellent
Air quality in the last 12 months (Huairou)
|
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
|
|
|
2024/08
|
9
|
30
|
26
|
30
|
9
|
37
|
59
|
34
|
44
|
21
|
18
|
6
|
12
|
20
|
32
|
36
|
32
|
18
|
14
|
12
|
13
|
16
|
26
|
20
|
23
|
12
|
15
|
21
|
31
|
40
|
45
|
|
2024/07
|
19
|
30
|
27
|
49
|
79
|
38
|
24
|
36
|
58
|
69
|
78
|
26
|
47
|
63
|
63
|
44
|
11
|
17
|
36
|
24
|
48
|
19
|
56
|
51
|
17
|
16
|
29
|
24
|
41
|
10
|
17
|
|
2024/06
|
27
|
32
|
43
|
55
|
59
|
58
|
42
|
29
|
36
|
49
|
32
|
37
|
47
|
38
|
15
|
45
|
56
|
61
|
98
|
72
|
53
|
111
|
153
|
16
|
24
|
58
|
63
|
58
|
58
|
29
|
|
|
2024/05
|
38
|
57
|
56
|
61
|
95
|
53
|
44
|
60
|
69
|
119
|
146
|
34
|
37
|
48
|
28
|
51
|
63
|
70
|
73
|
25
|
44
|
77
|
74
|
36
|
24
|
16
|
32
|
43
|
60
|
34
|
10
|
|
2024/04
|
83
|
82
|
69
|
69
|
62
|
64
|
41
|
77
|
60
|
60
|
103
|
147
|
89
|
61
|
73
|
48
|
76
|
73
|
62
|
35
|
74
|
73
|
16
|
43
|
90
|
89
|
71
|
28
|
13
|
19
|
|
|
2024/03
|
26
|
54
|
36
|
49
|
68
|
31
|
41
|
13
|
47
|
103
|
66
|
22
|
55
|
43
|
106
|
110
|
36
|
120
|
68
|
42
|
72
|
46
|
65
|
95
|
79
|
107
|
133
|
167
|
92
|
33
|
76
|
|
2024/02
|
21
|
32
|
44
|
72
|
71
|
40
|
25
|
23
|
34
|
32
|
46
|
87
|
130
|
64
|
23
|
57
|
82
|
85
|
25
|
21
|
21
|
22
|
23
|
45
|
41
|
52
|
68
|
66
|
42
|
||
|
2024/01
|
65
|
64
|
25
|
58
|
28
|
19
|
19
|
49
|
40
|
28
|
59
|
69
|
61
|
24
|
24
|
63
|
110
|
142
|
67
|
53
|
21
|
19
|
19
|
21
|
20
|
31
|
29
|
29
|
66
|
106
|
50
|
|
2023/12
|
23
|
35
|
31
|
66
|
81
|
98
|
160
|
123
|
72
|
60
|
33
|
65
|
108
|
71
|
20
|
20
|
23
|
46
|
35
|
21
|
20
|
23
|
28
|
33
|
39
|
39
|
36
|
49
|
66
|
94
|
27
|
|
2023/11
|
162
|
98
|
32
|
57
|
41
|
49
|
32
|
43
|
24
|
20
|
18
|
18
|
21
|
33
|
52
|
24
|
19
|
30
|
33
|
76
|
137
|
107
|
20
|
16
|
34
|
54
|
41
|
25
|
22
|
20
|
|
|
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