Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
22
O3
0.5
CO
3
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
50
Excellent
Sun
29 Jun
46
Excellent
Mon
30 Jun
56
Good
Tue
1 Jul
57
Good
Wed
2 Jul
77
Good
Thu
3 Jul
85
Good
Fri
4 Jul
15
Excellent
Air quality in the last 12 months (Baiyun)
|
2025/05
|
30
|
47
|
40
|
28
|
27
|
28
|
20
|
31
|
25
|
30
|
34
|
46
|
41
|
31
|
22
|
20
|
23
|
19
|
25
|
27
|
27
|
27
|
27
|
26
|
47
|
49
|
43
|
41
|
24
|
24
|
32
|
|
2025/04
|
30
|
46
|
61
|
52
|
32
|
61
|
74
|
63
|
52
|
43
|
39
|
44
|
282
|
164
|
101
|
100
|
68
|
57
|
37
|
35
|
31
|
35
|
41
|
26
|
19
|
36
|
34
|
25
|
42
|
49
|
|
|
2025/03
|
32
|
32
|
37
|
23
|
17
|
15
|
25
|
33
|
56
|
59
|
41
|
39
|
33
|
37
|
21
|
21
|
53
|
44
|
47
|
60
|
66
|
62
|
64
|
68
|
59
|
45
|
33
|
40
|
18
|
13
|
15
|
|
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
|
|
|
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