Air Quality
Excellent
No health implications.
8
PM2.5
17
PM10
31
O3
0.7
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Mar
56
Good
Sat
25 Mar
53
Good
Sun
26 Mar
56
Good
Mon
27 Mar
53
Good
Tue
28 Mar
58
Good
Wed
29 Mar
61
Good
Thu
30 Mar
55
Good
Air quality in the last 12 months (Guidong)
|
2023/02
|
53
|
97
|
65
|
35
|
29
|
35
|
29
|
26
|
15
|
28
|
26
|
33
|
18
|
26
|
49
|
49
|
55
|
58
|
61
|
75
|
65
|
62
|
69
|
60
|
51
|
74
|
58
|
65
|
|||
|
2023/01
|
58
|
95
|
101
|
89
|
64
|
87
|
80
|
76
|
37
|
53
|
82
|
38
|
19
|
25
|
17
|
42
|
55
|
52
|
53
|
56
|
71
|
178
|
82
|
82
|
64
|
59
|
65
|
63
|
59
|
56
|
46
|
|
2022/12
|
14
|
28
|
21
|
21
|
33
|
36
|
39
|
55
|
57
|
58
|
108
|
101
|
75
|
67
|
61
|
71
|
66
|
45
|
49
|
55
|
61
|
59
|
63
|
49
|
49
|
73
|
84
|
91
|
51
|
54
|
48
|
|
2022/11
|
45
|
43
|
27
|
28
|
37
|
31
|
32
|
33
|
39
|
41
|
37
|
42
|
52
|
54
|
35
|
19
|
22
|
30
|
24
|
39
|
45
|
35
|
21
|
30
|
30
|
27
|
24
|
18
|
22
|
13
|
|
|
2022/10
|
25
|
23
|
27
|
41
|
58
|
34
|
20
|
31
|
28
|
32
|
36
|
39
|
46
|
44
|
49
|
52
|
61
|
65
|
58
|
57
|
58
|
58
|
65
|
64
|
62
|
69
|
59
|
38
|
37
|
42
|
49
|
|
2022/09
|
31
|
36
|
39
|
38
|
51
|
48
|
32
|
27
|
36
|
52
|
60
|
59
|
62
|
50
|
43
|
54
|
65
|
67
|
56
|
57
|
58
|
58
|
52
|
58
|
75
|
72
|
68
|
68
|
70
|
51
|
|
|
2022/08
|
39
|
44
|
38
|
22
|
18
|
21
|
23
|
23
|
22
|
18
|
20
|
20
|
20
|
27
|
32
|
32
|
27
|
23
|
21
|
18
|
19
|
25
|
33
|
37
|
21
|
21
|
27
|
33
|
34
|
39
|
36
|
|
2022/07
|
26
|
19
|
14
|
15
|
14
|
20
|
17
|
20
|
24
|
25
|
30
|
32
|
41
|
40
|
42
|
29
|
31
|
26
|
28
|
25
|
25
|
34
|
33
|
35
|
37
|
43
|
49
|
45
|
38
|
31
|
32
|
|
2022/06
|
24
|
22
|
20
|
18
|
22
|
32
|
35
|
24
|
21
|
25
|
22
|
21
|
16
|
21
|
26
|
19
|
18
|
15
|
14
|
15
|
14
|
23
|
23
|
25
|
27
|
23
|
22
|
24
|
27
|
22
|
|
|
2022/05
|
25
|
35
|
41
|
45
|
51
|
61
|
62
|
39
|
27
|
21
|
20
|
22
|
20
|
34
|
29
|
33
|
42
|
43
|
59
|
55
|
37
|
35
|
18
|
13
|
22
|
23
|
30
|
28
|
24
|
20
|
22
|
|
2022/04
|
29
|
29
|
40
|
47
|
53
|
54
|
52
|
57
|
56
|
70
|
71
|
48
|
27
|
29
|
28
|
21
|
20
|
22
|
30
|
42
|
37
|
33
|
26
|
28
|
25
|
28
|
30
|
26
|
23
|
21
|
|
|
2022/03
|
60
|
53
|
57
|
69
|
73
|
47
|
29
|
38
|
49
|
51
|
51
|
50
|
44
|
46
|
55
|
55
|
28
|
26
|
40
|
53
|
34
|
16
|
20
|
26
|
19
|
22
|
30
|
31
|
27
|
28
|
23
|
|
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