Air Quality
Excellent
No health implications.
9
PM2.5
15
PM10
105
O3
0.6
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
47
Excellent
Sat
27 Apr
49
Excellent
Sun
28 Apr
42
Excellent
Mon
29 Apr
39
Excellent
Tue
30 Apr
35
Excellent
Wed
1 May
38
Excellent
Thu
2 May
40
Excellent
Air quality in the last 12 months (Guidong)
|
2024/02
|
46
|
23
|
18
|
17
|
32
|
19
|
19
|
52
|
69
|
99
|
66
|
64
|
46
|
40
|
41
|
26
|
30
|
27
|
30
|
49
|
24
|
14
|
17
|
26
|
30
|
27
|
35
|
29
|
24
|
||
|
2024/01
|
91
|
83
|
53
|
51
|
60
|
60
|
61
|
62
|
51
|
66
|
64
|
64
|
64
|
61
|
125
|
146
|
107
|
67
|
37
|
17
|
38
|
26
|
44
|
46
|
49
|
55
|
58
|
64
|
53
|
39
|
55
|
|
2023/12
|
58
|
47
|
42
|
29
|
39
|
41
|
51
|
61
|
63
|
54
|
42
|
27
|
38
|
37
|
25
|
29
|
38
|
28
|
35
|
44
|
48
|
59
|
51
|
56
|
58
|
65
|
63
|
77
|
96
|
122
|
114
|
|
2023/11
|
52
|
49
|
54
|
66
|
61
|
30
|
33
|
38
|
43
|
18
|
14
|
15
|
29
|
48
|
54
|
38
|
61
|
61
|
59
|
60
|
56
|
56
|
60
|
67
|
71
|
66
|
62
|
65
|
69
|
74
|
|
|
2023/10
|
53
|
53
|
53
|
46
|
33
|
48
|
31
|
26
|
23
|
19
|
39
|
42
|
58
|
63
|
59
|
56
|
59
|
64
|
49
|
19
|
32
|
42
|
43
|
49
|
51
|
54
|
32
|
51
|
51
|
54
|
52
|
|
2023/09
|
32
|
34
|
40
|
37
|
45
|
22
|
24
|
27
|
30
|
23
|
23
|
22
|
22
|
18
|
18
|
27
|
29
|
30
|
31
|
39
|
36
|
32
|
36
|
41
|
45
|
51
|
52
|
51
|
49
|
57
|
|
|
2023/08
|
20
|
26
|
34
|
41
|
35
|
27
|
35
|
32
|
27
|
29
|
28
|
25
|
30
|
33
|
32
|
30
|
29
|
39
|
50
|
45
|
25
|
23
|
28
|
31
|
32
|
22
|
23
|
20
|
26
|
34
|
32
|
|
2023/07
|
31
|
27
|
20
|
19
|
21
|
24
|
23
|
24
|
26
|
26
|
29
|
27
|
30
|
36
|
44
|
44
|
28
|
23
|
16
|
19
|
23
|
28
|
26
|
31
|
31
|
26
|
25
|
20
|
29
|
25
|
24
|
|
2023/06
|
39
|
42
|
43
|
41
|
38
|
42
|
36
|
19
|
20
|
28
|
43
|
49
|
46
|
32
|
44
|
31
|
20
|
18
|
20
|
23
|
21
|
22
|
18
|
17
|
17
|
19
|
21
|
18
|
19
|
25
|
|
|
2023/05
|
64
|
53
|
29
|
28
|
31
|
27
|
20
|
39
|
44
|
46
|
23
|
37
|
50
|
57
|
52
|
47
|
28
|
35
|
41
|
45
|
36
|
24
|
38
|
44
|
45
|
35
|
24
|
31
|
39
|
49
|
46
|
|
2023/04
|
45
|
37
|
32
|
25
|
24
|
22
|
36
|
61
|
61
|
58
|
36
|
32
|
41
|
37
|
53
|
59
|
56
|
36
|
27
|
39
|
43
|
33
|
21
|
17
|
17
|
25
|
34
|
36
|
44
|
73
|
|
|
2023/03
|
68
|
77
|
76
|
63
|
61
|
60
|
68
|
65
|
56
|
52
|
59
|
75
|
84
|
68
|
66
|
61
|
48
|
26
|
30
|
40
|
44
|
42
|
23
|
13
|
18
|
47
|
35
|
47
|
31
|
32
|
42
|
|
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