Air Quality
Excellent
No health implications.
6
PM2.5
8
PM10
76
O3
0.3
CO
1
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
49
Excellent
Sun
21 Apr
43
Excellent
Mon
22 Apr
46
Excellent
Tue
23 Apr
57
Good
Wed
24 Apr
59
Good
Thu
25 Apr
63
Good
Fri
26 Apr
60
Good
Air quality in the last 12 months (Baiyun)
|
2024/02
|
44
|
28
|
21
|
27
|
18
|
25
|
21
|
51
|
49
|
100
|
53
|
35
|
41
|
45
|
58
|
44
|
41
|
40
|
44
|
58
|
55
|
20
|
18
|
26
|
18
|
19
|
36
|
30
|
37
|
||
|
2024/01
|
39
|
23
|
31
|
36
|
70
|
74
|
38
|
32
|
50
|
51
|
43
|
49
|
29
|
25
|
25
|
27
|
21
|
23
|
40
|
23
|
18
|
24
|
33
|
43
|
54
|
49
|
47
|
48
|
44
|
23
|
24
|
|
2023/12
|
51
|
34
|
39
|
27
|
50
|
43
|
65
|
39
|
46
|
37
|
43
|
29
|
23
|
30
|
42
|
33
|
34
|
17
|
33
|
39
|
39
|
51
|
73
|
75
|
80
|
52
|
74
|
62
|
64
|
69
|
64
|
|
2023/11
|
40
|
37
|
48
|
38
|
34
|
33
|
28
|
20
|
37
|
17
|
21
|
12
|
22
|
25
|
14
|
34
|
49
|
59
|
71
|
73
|
35
|
40
|
78
|
68
|
50
|
35
|
50
|
49
|
52
|
35
|
|
|
2023/10
|
23
|
24
|
27
|
32
|
21
|
15
|
13
|
18
|
22
|
23
|
33
|
26
|
18
|
19
|
33
|
35
|
32
|
35
|
31
|
29
|
32
|
36
|
36
|
28
|
40
|
48
|
20
|
26
|
27
|
32
|
35
|
|
2023/09
|
34
|
42
|
38
|
23
|
26
|
28
|
26
|
24
|
25
|
24
|
27
|
22
|
22
|
28
|
35
|
36
|
19
|
18
|
18
|
23
|
18
|
19
|
21
|
28
|
27
|
29
|
29
|
33
|
24
|
25
|
|
|
2023/08
|
21
|
18
|
18
|
25
|
27
|
23
|
19
|
19
|
18
|
21
|
26
|
31
|
29
|
27
|
25
|
26
|
25
|
31
|
38
|
38
|
27
|
31
|
26
|
18
|
17
|
16
|
21
|
23
|
25
|
28
|
31
|
|
2023/07
|
25
|
25
|
23
|
24
|
27
|
20
|
21
|
22
|
19
|
21
|
23
|
25
|
25
|
23
|
44
|
41
|
37
|
35
|
19
|
20
|
19
|
22
|
21
|
26
|
28
|
30
|
31
|
24
|
23
|
28
|
25
|
|
2023/06
|
27
|
32
|
29
|
30
|
20
|
29
|
36
|
33
|
33
|
36
|
44
|
41
|
44
|
32
|
33
|
23
|
29
|
33
|
25
|
46
|
21
|
21
|
24
|
25
|
28
|
31
|
22
|
21
|
22
|
26
|
|
|
2023/05
|
59
|
51
|
43
|
40
|
43
|
29
|
19
|
27
|
16
|
19
|
19
|
30
|
46
|
65
|
52
|
34
|
53
|
38
|
46
|
39
|
52
|
29
|
36
|
48
|
38
|
31
|
29
|
30
|
28
|
33
|
37
|
|
2023/04
|
47
|
59
|
58
|
58
|
36
|
19
|
28
|
61
|
65
|
43
|
60
|
56
|
67
|
44
|
45
|
46
|
56
|
48
|
38
|
36
|
53
|
75
|
36
|
20
|
24
|
44
|
39
|
47
|
52
|
55
|
|
|
2023/03
|
70
|
58
|
32
|
48
|
48
|
61
|
45
|
40
|
40
|
47
|
63
|
39
|
29
|
55
|
62
|
43
|
53
|
28
|
25
|
34
|
48
|
50
|
26
|
22
|
27
|
32
|
38
|
36
|
39
|
46
|
43
|
|
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