Air Quality
Excellent
No health implications.
17
PM2.5
37
PM10
29
O3
0.5
CO
12
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
80
Good
Mon
6 May
74
Good
Tue
7 May
64
Good
Wed
8 May
56
Good
Thu
9 May
51
Good
Fri
10 May
55
Good
Air quality in the last 12 months (Pu'an)
|
2024/02
|
37
|
46
|
41
|
32
|
41
|
25
|
26
|
30
|
52
|
107
|
50
|
35
|
39
|
45
|
61
|
55
|
49
|
32
|
36
|
36
|
37
|
56
|
48
|
26
|
25
|
30
|
27
|
27
|
27
|
||
|
2024/01
|
60
|
35
|
31
|
40
|
50
|
64
|
46
|
36
|
50
|
53
|
26
|
21
|
23
|
28
|
25
|
22
|
21
|
24
|
37
|
49
|
33
|
23
|
47
|
41
|
33
|
35
|
41
|
40
|
31
|
26
|
26
|
|
2023/12
|
32
|
25
|
20
|
25
|
39
|
35
|
44
|
43
|
37
|
23
|
34
|
57
|
22
|
21
|
30
|
33
|
45
|
30
|
39
|
55
|
66
|
59
|
70
|
59
|
68
|
63
|
61
|
61
|
73
|
86
|
63
|
|
2023/11
|
35
|
30
|
38
|
36
|
26
|
34
|
31
|
21
|
26
|
33
|
35
|
36
|
21
|
24
|
15
|
29
|
49
|
50
|
44
|
50
|
39
|
47
|
69
|
66
|
40
|
36
|
45
|
42
|
54
|
61
|
|
|
2023/10
|
21
|
21
|
25
|
27
|
21
|
18
|
16
|
19
|
18
|
24
|
34
|
27
|
16
|
20
|
26
|
29
|
29
|
32
|
33
|
29
|
39
|
39
|
29
|
31
|
34
|
31
|
22
|
30
|
29
|
37
|
33
|
|
2023/09
|
33
|
34
|
36
|
28
|
33
|
31
|
32
|
27
|
27
|
23
|
27
|
21
|
25
|
26
|
36
|
30
|
25
|
18
|
19
|
20
|
20
|
20
|
21
|
26
|
29
|
27
|
20
|
17
|
17
|
21
|
|
|
2023/08
|
20
|
21
|
19
|
18
|
22
|
23
|
16
|
17
|
17
|
17
|
22
|
22
|
24
|
31
|
26
|
23
|
26
|
30
|
31
|
31
|
25
|
25
|
22
|
20
|
15
|
15
|
21
|
28
|
34
|
29
|
30
|
|
2023/07
|
23
|
23
|
22
|
23
|
24
|
19
|
18
|
18
|
18
|
17
|
17
|
19
|
19
|
22
|
40
|
37
|
36
|
34
|
20
|
22
|
21
|
18
|
20
|
21
|
23
|
24
|
21
|
21
|
23
|
23
|
23
|
|
2023/06
|
35
|
35
|
31
|
28
|
20
|
26
|
28
|
29
|
31
|
35
|
34
|
33
|
34
|
33
|
26
|
25
|
29
|
27
|
23
|
26
|
21
|
24
|
24
|
29
|
31
|
29
|
25
|
24
|
21
|
22
|
|
|
2023/05
|
44
|
38
|
34
|
35
|
39
|
40
|
34
|
21
|
16
|
22
|
20
|
27
|
46
|
59
|
40
|
28
|
38
|
41
|
31
|
35
|
46
|
37
|
41
|
42
|
33
|
33
|
31
|
29
|
27
|
28
|
33
|
|
2023/04
|
38
|
48
|
35
|
37
|
44
|
37
|
32
|
34
|
51
|
51
|
60
|
63
|
71
|
57
|
33
|
46
|
65
|
59
|
47
|
42
|
57
|
70
|
46
|
36
|
28
|
34
|
35
|
41
|
30
|
43
|
|
|
2023/03
|
88
|
60
|
27
|
43
|
51
|
60
|
58
|
35
|
41
|
50
|
64
|
37
|
24
|
44
|
63
|
59
|
49
|
53
|
47
|
39
|
30
|
31
|
33
|
32
|
42
|
36
|
24
|
39
|
28
|
37
|
40
|
|
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