Air Quality
Excellent
No health implications.
4
PM2.5
20
PM10
22
O3
0.2
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jul
39
Excellent
Sat
26 Jul
57
Good
Sun
27 Jul
59
Good
Mon
28 Jul
66
Good
Tue
29 Jul
61
Good
Wed
30 Jul
27
Excellent
Thu
31 Jul
50
Excellent
Air quality in the last 12 months (Baiyun)
|
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
|
|
2024/11
|
38
|
22
|
48
|
49
|
43
|
49
|
50
|
41
|
46
|
34
|
30
|
26
|
33
|
41
|
44
|
44
|
39
|
11
|
11
|
13
|
15
|
26
|
29
|
29
|
8
|
20
|
26
|
27
|
34
|
42
|
|
|
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
|
|
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