Air Quality
Excellent
No health implications.
30
PM2.5
43
PM10
65
O3
0.6
CO
8
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 May
67
Good
Thu
9 May
75
Good
Fri
10 May
72
Good
Sat
11 May
76
Good
Sun
12 May
80
Good
Mon
13 May
75
Good
Air quality in the last 12 months (Baihe)
|
2024/02
|
72
|
42
|
50
|
57
|
67
|
74
|
74
|
59
|
53
|
117
|
67
|
70
|
71
|
66
|
40
|
52
|
50
|
227
|
408
|
26
|
21
|
44
|
33
|
42
|
54
|
71
|
62
|
69
|
71
|
||
|
2024/01
|
78
|
66
|
44
|
53
|
57
|
61
|
84
|
82
|
62
|
100
|
92
|
59
|
82
|
116
|
64
|
64
|
62
|
61
|
32
|
47
|
63
|
30
|
35
|
34
|
40
|
49
|
53
|
55
|
66
|
91
|
111
|
|
2023/12
|
45
|
44
|
55
|
48
|
36
|
67
|
63
|
55
|
60
|
66
|
25
|
36
|
22
|
14
|
43
|
49
|
52
|
51
|
54
|
89
|
80
|
66
|
68
|
72
|
71
|
71
|
113
|
150
|
145
|
73
|
75
|
|
2023/11
|
30
|
36
|
33
|
30
|
24
|
30
|
38
|
37
|
50
|
60
|
40
|
34
|
46
|
50
|
54
|
103
|
59
|
45
|
41
|
51
|
53
|
57
|
68
|
52
|
46
|
41
|
35
|
52
|
66
|
50
|
|
|
2023/10
|
33
|
25
|
17
|
17
|
25
|
24
|
25
|
21
|
23
|
41
|
43
|
48
|
35
|
33
|
28
|
31
|
52
|
47
|
19
|
20
|
27
|
23
|
28
|
31
|
33
|
33
|
46
|
27
|
29
|
31
|
30
|
|
2023/09
|
33
|
40
|
37
|
38
|
44
|
44
|
47
|
43
|
44
|
35
|
31
|
18
|
26
|
36
|
39
|
39
|
44
|
28
|
23
|
22
|
22
|
25
|
22
|
17
|
14
|
14
|
14
|
15
|
17
|
21
|
|
|
2023/08
|
26
|
29
|
29
|
32
|
21
|
23
|
26
|
31
|
39
|
44
|
47
|
30
|
29
|
35
|
36
|
37
|
46
|
65
|
63
|
41
|
24
|
36
|
38
|
30
|
40
|
28
|
19
|
26
|
28
|
31
|
33
|
|
2023/07
|
32
|
35
|
24
|
26
|
44
|
39
|
23
|
36
|
38
|
38
|
36
|
28
|
21
|
34
|
42
|
34
|
41
|
42
|
41
|
34
|
29
|
34
|
39
|
38
|
26
|
26
|
27
|
21
|
21
|
21
|
24
|
|
2023/06
|
37
|
33
|
26
|
19
|
20
|
28
|
32
|
33
|
39
|
38
|
51
|
36
|
33
|
33
|
39
|
35
|
26
|
24
|
28
|
42
|
47
|
32
|
36
|
39
|
38
|
45
|
50
|
42
|
27
|
30
|
|
|
2023/05
|
62
|
58
|
52
|
27
|
45
|
23
|
25
|
31
|
42
|
32
|
29
|
37
|
47
|
45
|
47
|
49
|
41
|
56
|
51
|
47
|
31
|
21
|
21
|
24
|
38
|
38
|
16
|
14
|
19
|
28
|
37
|
|
2023/04
|
60
|
60
|
26
|
17
|
28
|
92
|
94
|
89
|
75
|
67
|
123
|
214
|
151
|
58
|
58
|
65
|
67
|
53
|
66
|
128
|
69
|
23
|
20
|
14
|
26
|
46
|
45
|
78
|
86
|
58
|
|
|
2023/03
|
74
|
78
|
61
|
54
|
50
|
59
|
58
|
54
|
56
|
62
|
86
|
71
|
69
|
58
|
86
|
47
|
22
|
31
|
42
|
56
|
51
|
73
|
99
|
92
|
75
|
56
|
46
|
57
|
55
|
54
|
64
|
|
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