Air Quality
Excellent
No health implications.
8
PM2.5
16
PM10
70
O3
0.4
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 May
39
Excellent
Fri
30 May
41
Excellent
Sat
31 May
39
Excellent
Sun
1 Jun
62
Good
Mon
2 Jun
55
Good
Tue
3 Jun
59
Good
Wed
4 Jun
33
Excellent
Air quality in the last 12 months (Guandu)
|
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
|
|
|
2024/08
|
35
|
29
|
21
|
18
|
14
|
14
|
16
|
17
|
12
|
25
|
33
|
46
|
55
|
48
|
39
|
37
|
35
|
38
|
34
|
45
|
38
|
21
|
16
|
20
|
26
|
13
|
18
|
26
|
30
|
31
|
29
|
|
2024/07
|
13
|
22
|
11
|
8
|
12
|
12
|
11
|
11
|
15
|
14
|
11
|
12
|
13
|
12
|
17
|
15
|
17
|
16
|
16
|
17
|
12
|
11
|
20
|
23
|
21
|
24
|
31
|
24
|
23
|
16
|
21
|
|
2024/06
|
37
|
22
|
29
|
32
|
18
|
16
|
15
|
13
|
16
|
13
|
16
|
18
|
9
|
17
|
28
|
17
|
24
|
23
|
25
|
32
|
23
|
21
|
16
|
20
|
20
|
17
|
12
|
10
|
19
|
13
|
|
|
2024/05
|
53
|
45
|
27
|
52
|
49
|
37
|
40
|
44
|
23
|
22
|
23
|
30
|
23
|
31
|
28
|
21
|
27
|
31
|
26
|
21
|
31
|
35
|
33
|
31
|
21
|
8
|
11
|
15
|
16
|
27
|
20
|
|
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