Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
40
O3
0.5
CO
2
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Feb
42
Excellent
Sun
1 Mar
45
Excellent
Mon
2 Mar
46
Excellent
Tue
3 Mar
49
Excellent
Wed
4 Mar
58
Good
Thu
5 Mar
55
Good
Fri
6 Mar
43
Excellent
Air quality in the last 12 months (Baiyun)
|
2026/01
|
69
|
19
|
40
|
58
|
53
|
37
|
45
|
37
|
44
|
60
|
42
|
76
|
82
|
75
|
79
|
102
|
103
|
76
|
82
|
61
|
35
|
32
|
44
|
60
|
70
|
81
|
72
|
49
|
58
|
38
|
31
|
|
2025/12
|
59
|
47
|
57
|
67
|
68
|
72
|
73
|
59
|
57
|
64
|
60
|
56
|
32
|
37
|
48
|
64
|
53
|
49
|
60
|
30
|
54
|
73
|
69
|
62
|
19
|
51
|
50
|
57
|
65
|
67
|
56
|
|
2025/11
|
33
|
39
|
35
|
15
|
17
|
24
|
39
|
46
|
25
|
18
|
22
|
25
|
19
|
34
|
42
|
46
|
47
|
43
|
23
|
29
|
33
|
41
|
51
|
53
|
44
|
61
|
54
|
63
|
68
|
54
|
|
|
2025/10
|
42
|
18
|
21
|
31
|
18
|
18
|
27
|
37
|
41
|
39
|
35
|
24
|
26
|
24
|
35
|
42
|
44
|
46
|
42
|
20
|
12
|
14
|
27
|
44
|
45
|
48
|
58
|
55
|
48
|
41
|
38
|
|
2025/09
|
23
|
25
|
22
|
21
|
22
|
31
|
24
|
10
|
16
|
20
|
27
|
22
|
23
|
24
|
26
|
29
|
34
|
27
|
21
|
17
|
13
|
24
|
27
|
10
|
15
|
21
|
32
|
33
|
31
|
38
|
|
|
2025/08
|
27
|
28
|
25
|
34
|
25
|
19
|
30
|
40
|
36
|
30
|
27
|
29
|
30
|
35
|
16
|
24
|
21
|
15
|
22
|
27
|
22
|
36
|
36
|
23
|
27
|
27
|
32
|
42
|
29
|
27
|
22
|
|
2025/07
|
18
|
22
|
38
|
41
|
42
|
35
|
42
|
23
|
29
|
28
|
17
|
29
|
24
|
33
|
32
|
33
|
38
|
49
|
22
|
14
|
14
|
17
|
21
|
25
|
28
|
34
|
43
|
47
|
34
|
29
|
31
|
|
2025/06
|
35
|
32
|
19
|
32
|
33
|
36
|
31
|
21
|
26
|
31
|
24
|
21
|
16
|
16
|
21
|
24
|
14
|
19
|
16
|
16
|
17
|
20
|
18
|
18
|
22
|
20
|
16
|
18
|
20
|
18
|
|
|
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
|
|||
|
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