Air Quality
Excellent
No health implications.
23
PM2.5
32
PM10
49
O3
0.6
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
48
Excellent
Sun
28 Jul
51
Good
Mon
29 Jul
37
Excellent
Tue
30 Jul
31
Excellent
Wed
31 Jul
28
Excellent
Thu
1 Aug
33
Excellent
Fri
2 Aug
33
Excellent
Air quality in the last 12 months (Baiyun)
|
2024/06
|
25
|
25
|
11
|
12
|
23
|
19
|
12
|
10
|
9
|
13
|
19
|
13
|
21
|
23
|
28
|
25
|
9
|
21
|
14
|
19
|
19
|
9
|
15
|
19
|
18
|
9
|
8
|
10
|
8
|
24
|
|
|
2024/05
|
17
|
15
|
13
|
13
|
28
|
30
|
16
|
22
|
18
|
16
|
15
|
13
|
21
|
30
|
39
|
35
|
28
|
12
|
20
|
22
|
16
|
24
|
32
|
27
|
27
|
15
|
28
|
24
|
17
|
13
|
24
|
|
2024/04
|
43
|
42
|
42
|
19
|
16
|
15
|
17
|
21
|
32
|
38
|
37
|
39
|
53
|
53
|
59
|
61
|
44
|
24
|
21
|
19
|
27
|
45
|
24
|
35
|
30
|
41
|
28
|
44
|
52
|
16
|
|
|
2024/03
|
36
|
55
|
33
|
34
|
33
|
24
|
57
|
51
|
37
|
49
|
46
|
43
|
37
|
43
|
27
|
34
|
40
|
17
|
37
|
65
|
60
|
51
|
40
|
48
|
32
|
37
|
49
|
27
|
40
|
45
|
48
|
|
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
|
|
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