Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
40
O3
0.7
CO
4
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
45
Excellent
Sat
26 Apr
57
Good
Sun
27 Apr
64
Good
Mon
28 Apr
61
Good
Tue
29 Apr
90
Good
Wed
30 Apr
89
Good
Thu
1 May
34
Excellent
Air quality in the last 12 months (Baiyun)
|
2025/02
|
33
|
34
|
11
|
34
|
40
|
47
|
21
|
55
|
31
|
49
|
49
|
44
|
44
|
48
|
32
|
62
|
42
|
56
|
46
|
46
|
36
|
35
|
20
|
33
|
45
|
45
|
55
|
38
|
|||
|
2025/01
|
70
|
72
|
60
|
64
|
86
|
85
|
77
|
72
|
66
|
49
|
42
|
48
|
63
|
73
|
63
|
57
|
53
|
60
|
64
|
61
|
75
|
55
|
64
|
43
|
30
|
19
|
28
|
41
|
61
|
54
|
30
|
|
2024/12
|
65
|
75
|
68
|
60
|
62
|
68
|
48
|
37
|
56
|
57
|
55
|
32
|
48
|
63
|
48
|
47
|
59
|
49
|
60
|
63
|
53
|
64
|
74
|
69
|
60
|
63
|
74
|
68
|
78
|
87
|
77
|
|
2024/11
|
48
|
36
|
47
|
49
|
40
|
55
|
46
|
45
|
50
|
53
|
47
|
42
|
39
|
26
|
16
|
14
|
25
|
26
|
21
|
23
|
24
|
34
|
35
|
40
|
25
|
25
|
36
|
43
|
41
|
52
|
|
|
2024/10
|
37
|
32
|
41
|
36
|
42
|
41
|
49
|
72
|
51
|
34
|
42
|
58
|
53
|
42
|
46
|
38
|
35
|
44
|
48
|
35
|
29
|
29
|
31
|
42
|
45
|
38
|
26
|
20
|
27
|
44
|
44
|
|
2024/09
|
35
|
40
|
34
|
37
|
27
|
12
|
18
|
18
|
21
|
31
|
50
|
52
|
38
|
37
|
22
|
27
|
36
|
20
|
34
|
28
|
17
|
18
|
21
|
19
|
39
|
47
|
43
|
51
|
44
|
39
|
|
|
2024/08
|
28
|
34
|
31
|
42
|
42
|
45
|
51
|
44
|
32
|
34
|
30
|
33
|
35
|
34
|
23
|
25
|
20
|
22
|
26
|
30
|
20
|
22
|
36
|
45
|
29
|
38
|
41
|
49
|
30
|
31
|
25
|
|
2024/07
|
40
|
27
|
18
|
18
|
27
|
20
|
16
|
22
|
24
|
19
|
19
|
20
|
18
|
27
|
21
|
21
|
20
|
18
|
17
|
21
|
23
|
23
|
21
|
26
|
36
|
38
|
22
|
15
|
17
|
15
|
19
|
|
2024/06
|
12
|
23
|
31
|
30
|
32
|
17
|
25
|
24
|
21
|
19
|
23
|
29
|
26
|
26
|
21
|
23
|
28
|
25
|
27
|
28
|
22
|
32
|
13
|
15
|
17
|
27
|
24
|
21
|
20
|
23
|
|
|
2024/05
|
22
|
26
|
41
|
26
|
31
|
43
|
37
|
27
|
45
|
46
|
42
|
33
|
40
|
49
|
52
|
56
|
57
|
41
|
30
|
18
|
15
|
27
|
39
|
19
|
25
|
21
|
24
|
21
|
27
|
36
|
18
|
|
2024/04
|
45
|
49
|
34
|
32
|
20
|
26
|
21
|
22
|
27
|
42
|
52
|
53
|
53
|
37
|
42
|
40
|
39
|
36
|
32
|
23
|
20
|
36
|
32
|
40
|
21
|
32
|
39
|
25
|
27
|
25
|
|
|
2024/03
|
24
|
28
|
47
|
46
|
35
|
41
|
35
|
44
|
47
|
19
|
21
|
37
|
59
|
60
|
58
|
67
|
57
|
54
|
24
|
70
|
58
|
55
|
49
|
43
|
40
|
48
|
42
|
46
|
53
|
39
|
42
|
|
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