Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
104
O3
0.6
CO
2
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jul
69
Good
Tue
21 Jul
82
Good
Wed
22 Jul
73
Good
Thu
23 Jul
77
Good
Fri
24 Jul
93
Good
Sat
25 Jul
91
Good
Sun
26 Jul
15
Excellent
Air quality in the last 12 months (Huairou)
|
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
|
|
|
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
|
|
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