Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
56
O3
0.2
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Oct
40
Excellent
Wed
14 Oct
45
Excellent
Thu
15 Oct
59
Good
Fri
16 Oct
51
Good
Sat
17 Oct
47
Excellent
Sun
18 Oct
38
Excellent
Mon
19 Oct
47
Excellent
Air quality in the last 12 months (Huairou)
|
2026/08
|
27
|
33
|
30
|
23
|
42
|
45
|
33
|
24
|
40
|
62
|
38
|
17
|
19
|
21
|
26
|
18
|
18
|
30
|
36
|
49
|
63
|
31
|
32
|
31
|
34
|
19
|
20
|
19
|
26
|
19
|
18
|
|
2026/07
|
35
|
72
|
64
|
51
|
32
|
38
|
31
|
32
|
52
|
30
|
27
|
18
|
35
|
26
|
33
|
34
|
40
|
31
|
37
|
40
|
39
|
35
|
31
|
31
|
51
|
53
|
56
|
43
|
40
|
31
|
37
|
|
2026/06
|
45
|
83
|
38
|
25
|
24
|
25
|
15
|
24
|
20
|
20
|
24
|
50
|
50
|
32
|
70
|
52
|
33
|
46
|
63
|
23
|
29
|
51
|
40
|
51
|
33
|
37
|
59
|
74
|
54
|
39
|
|
|
2026/05
|
58
|
41
|
21
|
33
|
60
|
50
|
27
|
36
|
58
|
51
|
53
|
80
|
88
|
96
|
68
|
58
|
29
|
26
|
38
|
45
|
30
|
35
|
38
|
64
|
39
|
30
|
42
|
30
|
27
|
52
|
68
|
|
2026/04
|
41
|
71
|
96
|
53
|
40
|
26
|
31
|
68
|
69
|
37
|
45
|
68
|
78
|
72
|
97
|
95
|
59
|
93
|
68
|
86
|
61
|
68
|
55
|
63
|
65
|
49
|
33
|
33
|
25
|
38
|
|
|
2026/03
|
101
|
116
|
99
|
47
|
69
|
33
|
67
|
67
|
23
|
77
|
58
|
96
|
85
|
41
|
65
|
66
|
136
|
32
|
36
|
49
|
67
|
79
|
121
|
134
|
149
|
135
|
31
|
72
|
64
|
29
|
48
|
|
2026/02
|
23
|
13
|
42
|
69
|
25
|
11
|
10
|
19
|
72
|
78
|
19
|
56
|
61
|
59
|
10
|
17
|
52
|
34
|
51
|
66
|
150
|
30
|
30
|
64
|
106
|
70
|
37
|
80
|
|||
|
2026/01
|
17
|
18
|
30
|
33
|
22
|
24
|
16
|
38
|
62
|
16
|
24
|
40
|
24
|
62
|
86
|
60
|
24
|
31
|
11
|
14
|
15
|
21
|
26
|
20
|
31
|
50
|
26
|
55
|
66
|
104
|
68
|
|
2025/12
|
24
|
20
|
21
|
23
|
36
|
76
|
39
|
25
|
44
|
64
|
36
|
41
|
36
|
34
|
58
|
38
|
47
|
162
|
163
|
19
|
24
|
61
|
58
|
17
|
18
|
37
|
53
|
85
|
20
|
18
|
18
|
|
2025/11
|
9
|
11
|
47
|
60
|
152
|
170
|
75
|
47
|
15
|
23
|
59
|
83
|
14
|
40
|
58
|
23
|
15
|
19
|
30
|
23
|
32
|
44
|
72
|
41
|
26
|
51
|
23
|
57
|
84
|
76
|
|
|
2025/10
|
28
|
39
|
32
|
27
|
36
|
16
|
26
|
16
|
8
|
14
|
15
|
24
|
36
|
50
|
48
|
74
|
27
|
12
|
12
|
12
|
13
|
38
|
56
|
87
|
96
|
17
|
22
|
87
|
200
|
139
|
60
|
|
2025/09
|
14
|
40
|
46
|
52
|
54
|
15
|
15
|
12
|
42
|
28
|
50
|
58
|
55
|
17
|
10
|
13
|
8
|
10
|
22
|
24
|
34
|
38
|
24
|
42
|
24
|
32
|
38
|
30
|
16
|
22
|
|
|
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