Air Quality
Excellent
No health implications.
3
PM2.5
12
PM10
33
O3
0.5
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Nov
36
Excellent
Tue
19 Nov
36
Excellent
Wed
20 Nov
40
Excellent
Thu
21 Nov
46
Excellent
Fri
22 Nov
47
Excellent
Sat
23 Nov
49
Excellent
Air quality in the last 12 months (Baiyun)
|
2024/10
|
6
|
12
|
31
|
37
|
43
|
49
|
24
|
23
|
30
|
48
|
50
|
43
|
24
|
18
|
29
|
24
|
12
|
20
|
15
|
13
|
20
|
13
|
27
|
23
|
19
|
32
|
43
|
35
|
27
|
35
|
41
|
|
2024/09
|
19
|
15
|
13
|
16
|
21
|
29
|
18
|
10
|
12
|
20
|
18
|
23
|
23
|
26
|
18
|
24
|
14
|
17
|
21
|
25
|
23
|
17
|
31
|
30
|
41
|
42
|
37
|
36
|
19
|
11
|
|
|
2024/08
|
9
|
7
|
8
|
9
|
14
|
14
|
15
|
16
|
16
|
16
|
34
|
52
|
47
|
33
|
29
|
27
|
22
|
24
|
33
|
27
|
22
|
14
|
10
|
17
|
9
|
12
|
16
|
17
|
27
|
24
|
17
|
|
2024/07
|
15
|
20
|
12
|
10
|
11
|
11
|
14
|
13
|
15
|
15
|
12
|
13
|
14
|
11
|
9
|
12
|
10
|
9
|
6
|
8
|
9
|
10
|
10
|
11
|
17
|
26
|
28
|
26
|
11
|
11
|
10
|
|
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
|
|
|
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