Air Quality
Excellent
No health implications.
20
PM2.5
32
PM10
36
O3
0.5
CO
7
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Dec
31
Excellent
Wed
24 Dec
27
Excellent
Thu
25 Dec
36
Excellent
Fri
26 Dec
53
Good
Sat
27 Dec
84
Good
Sun
28 Dec
79
Good
Mon
29 Dec
18
Excellent
Air quality in the last 12 months (Baiyun)
|
2025/11
|
23
|
22
|
11
|
18
|
23
|
19
|
27
|
17
|
11
|
15
|
28
|
31
|
39
|
44
|
48
|
44
|
36
|
20
|
28
|
35
|
40
|
50
|
57
|
49
|
53
|
61
|
57
|
73
|
46
|
66
|
|
|
2025/10
|
13
|
16
|
18
|
22
|
21
|
18
|
15
|
20
|
20
|
24
|
28
|
30
|
30
|
33
|
15
|
15
|
21
|
17
|
14
|
15
|
13
|
20
|
30
|
34
|
29
|
29
|
30
|
29
|
43
|
20
|
23
|
|
2025/09
|
24
|
25
|
24
|
27
|
29
|
37
|
37
|
31
|
21
|
20
|
20
|
21
|
17
|
19
|
21
|
21
|
20
|
20
|
26
|
39
|
24
|
21
|
19
|
13
|
12
|
12
|
18
|
19
|
16
|
14
|
|
|
2025/08
|
26
|
32
|
31
|
29
|
30
|
25
|
19
|
20
|
24
|
28
|
23
|
27
|
31
|
35
|
20
|
17
|
19
|
23
|
16
|
19
|
18
|
15
|
21
|
22
|
23
|
23
|
19
|
27
|
26
|
28
|
32
|
|
2025/07
|
13
|
13
|
16
|
17
|
17
|
25
|
28
|
27
|
20
|
23
|
22
|
25
|
25
|
24
|
23
|
23
|
19
|
22
|
21
|
22
|
11
|
11
|
9
|
16
|
19
|
21
|
26
|
29
|
32
|
28
|
23
|
|
2025/06
|
23
|
14
|
27
|
27
|
31
|
34
|
39
|
46
|
37
|
29
|
34
|
29
|
32
|
21
|
29
|
32
|
24
|
21
|
13
|
25
|
31
|
14
|
26
|
18
|
16
|
12
|
19
|
17
|
18
|
13
|
|
|
2025/05
|
45
|
54
|
42
|
24
|
38
|
30
|
24
|
25
|
33
|
24
|
43
|
35
|
32
|
35
|
42
|
42
|
38
|
47
|
59
|
29
|
26
|
30
|
38
|
53
|
35
|
24
|
13
|
12
|
20
|
23
|
18
|
|
2025/04
|
32
|
45
|
58
|
65
|
55
|
58
|
58
|
53
|
63
|
56
|
56
|
136
|
221
|
100
|
81
|
62
|
61
|
55
|
24
|
33
|
39
|
24
|
43
|
19
|
45
|
29
|
17
|
27
|
36
|
16
|
|
|
2025/03
|
42
|
53
|
61
|
32
|
18
|
24
|
39
|
38
|
19
|
29
|
37
|
54
|
27
|
23
|
22
|
28
|
35
|
20
|
34
|
44
|
52
|
65
|
54
|
62
|
55
|
57
|
67
|
69
|
16
|
25
|
38
|
|
2025/02
|
19
|
16
|
27
|
34
|
37
|
18
|
22
|
49
|
59
|
39
|
29
|
44
|
39
|
20
|
30
|
52
|
30
|
29
|
16
|
15
|
15
|
11
|
16
|
20
|
22
|
43
|
29
|
36
|
|||
|
2025/01
|
60
|
76
|
69
|
66
|
65
|
63
|
57
|
39
|
28
|
29
|
42
|
49
|
42
|
61
|
58
|
76
|
63
|
56
|
49
|
75
|
73
|
76
|
58
|
45
|
14
|
20
|
39
|
42
|
55
|
47
|
35
|
|
2024/12
|
60
|
85
|
44
|
34
|
16
|
18
|
23
|
38
|
14
|
12
|
20
|
36
|
43
|
63
|
55
|
57
|
57
|
49
|
63
|
86
|
113
|
65
|
70
|
58
|
55
|
33
|
52
|
74
|
58
|
30
|
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