Air Quality
Excellent
No health implications.
16
PM2.5
30
PM10
71
O3
0.6
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 May
53
Good
Fri
8 May
55
Good
Sat
9 May
59
Good
Sun
10 May
58
Good
Mon
11 May
59
Good
Tue
12 May
57
Good
Wed
13 May
23
Excellent
Air quality in the last 12 months (Guidong)
|
2026/04
|
27
|
35
|
24
|
39
|
48
|
34
|
25
|
36
|
41
|
43
|
44
|
33
|
38
|
36
|
25
|
32
|
32
|
37
|
44
|
52
|
27
|
18
|
22
|
33
|
39
|
49
|
58
|
45
|
24
|
27
|
|
|
2026/03
|
17
|
19
|
28
|
50
|
48
|
48
|
52
|
62
|
25
|
53
|
42
|
44
|
48
|
51
|
71
|
82
|
58
|
39
|
27
|
27
|
29
|
48
|
49
|
25
|
40
|
41
|
29
|
29
|
42
|
32
|
24
|
|
2026/02
|
36
|
45
|
55
|
62
|
73
|
75
|
44
|
50
|
52
|
55
|
40
|
53
|
61
|
59
|
52
|
36
|
57
|
60
|
51
|
33
|
51
|
61
|
53
|
37
|
35
|
27
|
16
|
22
|
|||
|
2026/01
|
39
|
32
|
43
|
58
|
44
|
54
|
51
|
49
|
52
|
57
|
64
|
69
|
76
|
66
|
77
|
82
|
94
|
96
|
76
|
24
|
34
|
45
|
60
|
53
|
75
|
70
|
71
|
55
|
53
|
56
|
26
|
|
2025/12
|
60
|
78
|
81
|
65
|
66
|
71
|
72
|
75
|
80
|
87
|
74
|
87
|
24
|
37
|
46
|
50
|
56
|
74
|
65
|
54
|
103
|
77
|
65
|
36
|
43
|
51
|
53
|
55
|
60
|
72
|
96
|
|
2025/11
|
44
|
44
|
28
|
21
|
26
|
28
|
43
|
26
|
14
|
14
|
38
|
48
|
38
|
46
|
48
|
50
|
65
|
31
|
31
|
34
|
40
|
51
|
58
|
57
|
52
|
62
|
61
|
69
|
64
|
57
|
|
|
2025/10
|
48
|
33
|
26
|
39
|
27
|
18
|
30
|
37
|
40
|
44
|
46
|
52
|
70
|
45
|
55
|
51
|
55
|
44
|
21
|
12
|
17
|
24
|
36
|
44
|
48
|
72
|
72
|
66
|
70
|
77
|
55
|
|
2025/09
|
24
|
25
|
27
|
27
|
26
|
27
|
38
|
18
|
11
|
15
|
15
|
20
|
24
|
32
|
33
|
23
|
25
|
34
|
31
|
16
|
19
|
22
|
29
|
17
|
18
|
21
|
28
|
40
|
39
|
46
|
|
|
2025/08
|
29
|
22
|
15
|
19
|
14
|
11
|
14
|
17
|
25
|
33
|
30
|
28
|
26
|
22
|
12
|
21
|
22
|
18
|
14
|
17
|
20
|
20
|
22
|
19
|
17
|
19
|
23
|
22
|
23
|
22
|
23
|
|
2025/07
|
15
|
15
|
24
|
28
|
31
|
30
|
34
|
32
|
30
|
19
|
17
|
17
|
26
|
24
|
23
|
24
|
29
|
28
|
27
|
17
|
14
|
15
|
17
|
21
|
26
|
29
|
22
|
21
|
23
|
22
|
23
|
|
2025/06
|
15
|
15
|
22
|
28
|
29
|
24
|
23
|
22
|
23
|
27
|
24
|
21
|
26
|
11
|
11
|
19
|
8
|
11
|
11
|
12
|
15
|
15
|
21
|
24
|
31
|
19
|
15
|
15
|
16
|
15
|
|
|
2025/05
|
46
|
50
|
46
|
37
|
20
|
29
|
52
|
27
|
23
|
43
|
36
|
37
|
36
|
32
|
29
|
21
|
16
|
12
|
14
|
14
|
17
|
19
|
20
|
39
|
49
|
44
|
43
|
21
|
13
|
23
|
16
|
|
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