Air Quality
Excellent
No health implications.
10
PM2.5
14
PM10
71
O3
0.3
CO
2
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
130
Light
Mon
23 Jun
141
Light
Tue
24 Jun
166
Moderate
Wed
25 Jun
172
Moderate
Thu
26 Jun
108
Light
Fri
27 Jun
32
Excellent
Sat
28 Jun
18
Excellent
Huairou Air quality rank
Air quality in the last 12 months (Huairou)
|
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
|
|
|
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
|
|
|
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