Air Quality
Excellent
No health implications.
5
PM2.5
15
PM10
37
O3
0.7
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
103
Light
Mon
18 Nov
63
Good
Tue
19 Nov
57
Good
Wed
20 Nov
69
Good
Thu
21 Nov
50
Excellent
Fri
22 Nov
61
Good
Sat
23 Nov
68
Good
Air quality in the last 12 months (Beihu)
|
2024/10
|
35
|
40
|
50
|
57
|
53
|
68
|
93
|
68
|
64
|
54
|
58
|
59
|
73
|
141
|
56
|
26
|
39
|
44
|
26
|
34
|
39
|
25
|
33
|
42
|
52
|
74
|
32
|
42
|
68
|
60
|
54
|
|
2024/09
|
31
|
30
|
32
|
33
|
41
|
33
|
20
|
23
|
19
|
35
|
38
|
58
|
37
|
43
|
31
|
35
|
59
|
56
|
53
|
39
|
37
|
32
|
49
|
47
|
42
|
46
|
48
|
47
|
45
|
48
|
|
|
2024/08
|
16
|
20
|
25
|
36
|
37
|
25
|
25
|
28
|
27
|
29
|
34
|
28
|
18
|
18
|
24
|
33
|
25
|
27
|
25
|
35
|
30
|
16
|
19
|
28
|
27
|
27
|
35
|
33
|
39
|
49
|
43
|
|
2024/07
|
17
|
22
|
19
|
15
|
18
|
21
|
19
|
14
|
21
|
19
|
19
|
20
|
17
|
22
|
25
|
14
|
13
|
14
|
12
|
15
|
17
|
19
|
19
|
26
|
42
|
36
|
23
|
11
|
10
|
12
|
11
|
|
2024/06
|
19
|
17
|
40
|
23
|
14
|
33
|
31
|
43
|
58
|
31
|
19
|
19
|
20
|
20
|
17
|
15
|
13
|
13
|
16
|
21
|
20
|
20
|
24
|
18
|
24
|
30
|
28
|
19
|
17
|
16
|
|
|
2024/05
|
16
|
28
|
42
|
29
|
16
|
35
|
41
|
54
|
68
|
58
|
27
|
45
|
67
|
48
|
41
|
52
|
53
|
47
|
18
|
26
|
37
|
37
|
29
|
26
|
21
|
21
|
14
|
39
|
23
|
34
|
25
|
|
2024/04
|
48
|
53
|
39
|
21
|
15
|
21
|
20
|
37
|
46
|
43
|
48
|
48
|
46
|
50
|
54
|
48
|
22
|
38
|
20
|
18
|
21
|
34
|
45
|
51
|
29
|
25
|
33
|
35
|
23
|
17
|
|
|
2024/03
|
93
|
73
|
56
|
17
|
31
|
130
|
112
|
66
|
53
|
59
|
36
|
43
|
49
|
43
|
42
|
42
|
60
|
18
|
35
|
54
|
66
|
36
|
26
|
28
|
31
|
34
|
44
|
27
|
33
|
35
|
37
|
|
2024/02
|
57
|
23
|
15
|
15
|
49
|
21
|
25
|
75
|
110
|
161
|
79
|
69
|
33
|
34
|
52
|
45
|
40
|
25
|
30
|
40
|
24
|
14
|
18
|
20
|
44
|
23
|
45
|
22
|
32
|
||
|
2024/01
|
133
|
87
|
53
|
60
|
70
|
77
|
83
|
40
|
63
|
85
|
108
|
73
|
81
|
68
|
202
|
188
|
184
|
116
|
30
|
16
|
55
|
31
|
64
|
62
|
70
|
84
|
80
|
94
|
60
|
47
|
44
|
|
2023/12
|
60
|
69
|
56
|
26
|
64
|
49
|
56
|
43
|
44
|
30
|
31
|
28
|
44
|
22
|
20
|
35
|
40
|
32
|
41
|
65
|
54
|
82
|
60
|
63
|
69
|
68
|
65
|
83
|
118
|
173
|
176
|
|
2023/11
|
49
|
49
|
55
|
54
|
45
|
22
|
37
|
42
|
36
|
12
|
11
|
13
|
23
|
56
|
62
|
37
|
59
|
59
|
56
|
55
|
59
|
53
|
66
|
76
|
81
|
81
|
78
|
71
|
69
|
97
|
|
|
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