Air Quality
Excellent
No health implications.
15
PM2.5
30
PM10
26
O3
0.7
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jun
48
Excellent
Thu
12 Jun
51
Good
Fri
13 Jun
51
Good
Sat
14 Jun
46
Excellent
Sun
15 Jun
50
Excellent
Mon
16 Jun
32
Excellent
Tue
17 Jun
35
Excellent
Air quality in the last 12 months (Guidong)
|
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
|
|
2025/04
|
42
|
43
|
47
|
59
|
61
|
62
|
58
|
56
|
56
|
36
|
41
|
137
|
179
|
120
|
77
|
67
|
71
|
58
|
22
|
18
|
28
|
25
|
35
|
27
|
22
|
22
|
21
|
29
|
49
|
48
|
|
|
2025/03
|
29
|
25
|
25
|
16
|
17
|
22
|
40
|
37
|
37
|
39
|
40
|
42
|
34
|
20
|
15
|
33
|
48
|
34
|
38
|
41
|
43
|
46
|
56
|
61
|
64
|
59
|
52
|
66
|
35
|
14
|
32
|
|
2025/02
|
24
|
13
|
23
|
38
|
45
|
48
|
39
|
62
|
35
|
41
|
48
|
50
|
64
|
75
|
65
|
36
|
40
|
35
|
32
|
16
|
25
|
17
|
18
|
40
|
63
|
70
|
49
|
37
|
|||
|
2025/01
|
94
|
79
|
99
|
105
|
125
|
101
|
77
|
78
|
58
|
45
|
44
|
53
|
53
|
51
|
74
|
60
|
55
|
55
|
61
|
60
|
65
|
63
|
67
|
120
|
60
|
19
|
39
|
53
|
101
|
67
|
54
|
|
2024/12
|
50
|
55
|
55
|
88
|
70
|
41
|
39
|
56
|
81
|
75
|
44
|
48
|
77
|
67
|
50
|
49
|
53
|
57
|
75
|
76
|
79
|
87
|
82
|
84
|
93
|
98
|
107
|
102
|
70
|
79
|
87
|
|
2024/11
|
46
|
58
|
54
|
56
|
61
|
53
|
43
|
44
|
48
|
60
|
47
|
49
|
53
|
53
|
34
|
40
|
33
|
16
|
21
|
33
|
41
|
42
|
43
|
49
|
51
|
27
|
36
|
37
|
39
|
49
|
|
|
2024/10
|
38
|
36
|
40
|
38
|
37
|
49
|
63
|
51
|
43
|
41
|
49
|
54
|
64
|
87
|
66
|
29
|
36
|
40
|
25
|
24
|
32
|
30
|
33
|
36
|
45
|
53
|
28
|
25
|
50
|
49
|
40
|
|
2024/09
|
33
|
36
|
36
|
31
|
33
|
24
|
18
|
19
|
17
|
26
|
34
|
40
|
35
|
41
|
26
|
29
|
38
|
41
|
40
|
28
|
28
|
33
|
36
|
35
|
29
|
31
|
38
|
38
|
36
|
36
|
|
|
2024/08
|
15
|
19
|
28
|
34
|
31
|
29
|
24
|
31
|
30
|
33
|
30
|
22
|
17
|
21
|
23
|
25
|
20
|
22
|
18
|
26
|
25
|
19
|
23
|
27
|
28
|
25
|
32
|
29
|
28
|
35
|
39
|
|
2024/07
|
16
|
16
|
18
|
14
|
14
|
16
|
15
|
16
|
20
|
21
|
19
|
19
|
17
|
18
|
19
|
15
|
12
|
13
|
16
|
15
|
17
|
21
|
22
|
30
|
33
|
24
|
15
|
11
|
13
|
15
|
13
|
|
2024/06
|
14
|
14
|
28
|
16
|
14
|
24
|
27
|
33
|
31
|
22
|
18
|
17
|
19
|
17
|
13
|
13
|
13
|
21
|
19
|
20
|
20
|
25
|
21
|
17
|
16
|
21
|
22
|
18
|
15
|
17
|
|
|
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