Air Quality
Excellent
No health implications.
12
PM2.5
23
PM10
31
O3
0.6
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
38
Excellent
Thu
11 Sep
36
Excellent
Fri
12 Sep
32
Excellent
Sat
13 Sep
39
Excellent
Sun
14 Sep
38
Excellent
Mon
15 Sep
36
Excellent
Tue
16 Sep
48
Excellent
Guandu Air quality rank
Air quality in the last 12 months (Guandu)
|
2025/08
|
27
|
30
|
21
|
18
|
26
|
26
|
15
|
10
|
14
|
14
|
13
|
16
|
20
|
40
|
28
|
11
|
13
|
20
|
26
|
24
|
10
|
7
|
8
|
11
|
12
|
11
|
12
|
13
|
13
|
15
|
21
|
|
2025/07
|
13
|
9
|
12
|
13
|
12
|
15
|
17
|
11
|
15
|
19
|
17
|
26
|
29
|
25
|
30
|
34
|
28
|
25
|
13
|
22
|
18
|
12
|
11
|
12
|
13
|
15
|
14
|
23
|
42
|
28
|
20
|
|
2025/06
|
9
|
16
|
16
|
21
|
22
|
32
|
32
|
39
|
35
|
32
|
31
|
42
|
49
|
45
|
17
|
22
|
15
|
8
|
11
|
14
|
23
|
11
|
17
|
11
|
11
|
18
|
15
|
15
|
11
|
15
|
|
|
2025/05
|
35
|
25
|
20
|
17
|
24
|
26
|
28
|
32
|
46
|
38
|
21
|
29
|
28
|
30
|
27
|
22
|
32
|
29
|
31
|
25
|
33
|
33
|
54
|
29
|
18
|
16
|
12
|
12
|
15
|
13
|
9
|
|
2025/04
|
36
|
54
|
82
|
78
|
89
|
73
|
75
|
65
|
62
|
68
|
54
|
55
|
72
|
61
|
55
|
24
|
21
|
25
|
29
|
34
|
30
|
28
|
36
|
51
|
44
|
59
|
64
|
61
|
32
|
30
|
|
|
2025/03
|
41
|
44
|
45
|
43
|
51
|
51
|
37
|
54
|
48
|
47
|
52
|
64
|
66
|
69
|
60
|
41
|
27
|
20
|
37
|
49
|
65
|
61
|
54
|
46
|
40
|
40
|
43
|
89
|
113
|
79
|
66
|
|
2025/02
|
46
|
49
|
27
|
40
|
48
|
49
|
33
|
39
|
47
|
34
|
36
|
54
|
55
|
54
|
55
|
64
|
38
|
41
|
48
|
51
|
58
|
53
|
58
|
33
|
32
|
29
|
35
|
39
|
|||
|
2025/01
|
36
|
43
|
46
|
41
|
39
|
49
|
34
|
29
|
43
|
27
|
20
|
45
|
40
|
43
|
72
|
74
|
43
|
37
|
66
|
48
|
42
|
36
|
33
|
22
|
23
|
32
|
42
|
55
|
76
|
33
|
30
|
|
2024/12
|
19
|
31
|
23
|
21
|
33
|
27
|
28
|
39
|
15
|
21
|
29
|
26
|
48
|
42
|
39
|
29
|
26
|
33
|
35
|
25
|
27
|
22
|
29
|
29
|
28
|
38
|
41
|
39
|
30
|
26
|
47
|
|
2024/11
|
27
|
30
|
51
|
37
|
45
|
51
|
39
|
21
|
23
|
37
|
30
|
20
|
24
|
33
|
41
|
33
|
39
|
37
|
36
|
29
|
16
|
24
|
18
|
15
|
23
|
34
|
27
|
34
|
25
|
18
|
|
|
2024/10
|
11
|
21
|
30
|
24
|
16
|
24
|
36
|
32
|
28
|
16
|
18
|
20
|
22
|
30
|
26
|
18
|
17
|
36
|
45
|
27
|
23
|
26
|
30
|
43
|
44
|
39
|
48
|
44
|
55
|
47
|
41
|
|
2024/09
|
27
|
29
|
24
|
23
|
19
|
38
|
32
|
13
|
11
|
13
|
18
|
21
|
33
|
40
|
35
|
21
|
21
|
22
|
28
|
36
|
34
|
20
|
25
|
43
|
37
|
40
|
28
|
18
|
19
|
25
|
|
|
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