Air Quality
Excellent
No health implications.
15
PM2.5
40
PM10
29
O3
0.3
CO
1
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jan
70
Good
Sat
18 Jan
83
Good
Sun
19 Jan
50
Excellent
Mon
20 Jan
59
Good
Tue
21 Jan
44
Excellent
Wed
22 Jan
32
Excellent
Thu
23 Jan
32
Excellent
Air quality in the last 12 months (Huairou)
|
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
|
|
|
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
|
|
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