Air Quality
Excellent
No health implications.
6
PM2.5
15
PM10
64
O3
0.2
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
34
Excellent
Sun
1 Jun
32
Excellent
Mon
2 Jun
34
Excellent
Tue
3 Jun
38
Excellent
Wed
4 Jun
47
Excellent
Thu
5 Jun
50
Excellent
Fri
6 Jun
41
Excellent
Air quality in the last 12 months (Pu'an)
|
2025/04
|
31
|
39
|
54
|
65
|
56
|
56
|
38
|
48
|
58
|
53
|
47
|
95
|
119
|
86
|
61
|
40
|
41
|
35
|
30
|
35
|
28
|
24
|
54
|
35
|
29
|
39
|
32
|
22
|
28
|
24
|
|
|
2025/03
|
38
|
32
|
50
|
60
|
53
|
36
|
33
|
32
|
43
|
26
|
42
|
56
|
71
|
53
|
34
|
22
|
20
|
20
|
31
|
38
|
51
|
67
|
65
|
61
|
47
|
34
|
38
|
92
|
36
|
27
|
29
|
|
2025/02
|
43
|
26
|
21
|
39
|
47
|
23
|
20
|
26
|
31
|
26
|
30
|
51
|
35
|
33
|
34
|
43
|
36
|
23
|
17
|
21
|
16
|
20
|
22
|
15
|
25
|
23
|
28
|
35
|
|||
|
2025/01
|
66
|
71
|
58
|
74
|
48
|
60
|
62
|
30
|
28
|
36
|
40
|
46
|
50
|
71
|
56
|
78
|
84
|
64
|
75
|
97
|
77
|
90
|
63
|
45
|
35
|
32
|
49
|
53
|
72
|
53
|
43
|
|
2024/12
|
49
|
56
|
57
|
53
|
33
|
22
|
37
|
27
|
13
|
18
|
23
|
23
|
23
|
38
|
42
|
68
|
48
|
36
|
41
|
54
|
50
|
57
|
52
|
51
|
61
|
38
|
31
|
38
|
48
|
40
|
47
|
|
2024/11
|
33
|
25
|
41
|
43
|
32
|
52
|
55
|
58
|
38
|
44
|
37
|
31
|
30
|
38
|
39
|
45
|
48
|
47
|
37
|
25
|
22
|
27
|
28
|
32
|
29
|
22
|
22
|
31
|
38
|
40
|
|
|
2024/10
|
12
|
20
|
26
|
30
|
35
|
42
|
31
|
43
|
40
|
52
|
47
|
37
|
30
|
22
|
26
|
21
|
14
|
22
|
29
|
22
|
19
|
19
|
29
|
37
|
34
|
35
|
35
|
36
|
37
|
32
|
36
|
|
2024/09
|
20
|
18
|
13
|
18
|
26
|
30
|
22
|
11
|
12
|
14
|
18
|
19
|
19
|
23
|
30
|
26
|
20
|
25
|
32
|
36
|
26
|
20
|
26
|
43
|
47
|
39
|
37
|
32
|
25
|
12
|
|
|
2024/08
|
20
|
16
|
15
|
12
|
14
|
16
|
16
|
16
|
15
|
17
|
51
|
60
|
43
|
40
|
29
|
32
|
35
|
31
|
26
|
28
|
23
|
20
|
16
|
20
|
12
|
14
|
18
|
18
|
21
|
22
|
21
|
|
2024/07
|
14
|
19
|
12
|
11
|
12
|
12
|
13
|
15
|
16
|
13
|
12
|
13
|
12
|
13
|
12
|
14
|
13
|
14
|
11
|
12
|
11
|
14
|
16
|
13
|
17
|
25
|
26
|
18
|
13
|
12
|
19
|
|
2024/06
|
29
|
22
|
12
|
12
|
16
|
20
|
12
|
10
|
8
|
15
|
14
|
17
|
20
|
17
|
26
|
19
|
11
|
18
|
18
|
23
|
23
|
12
|
15
|
13
|
14
|
17
|
11
|
12
|
15
|
15
|
|
|
2024/05
|
30
|
17
|
19
|
20
|
31
|
24
|
24
|
16
|
13
|
15
|
15
|
13
|
18
|
21
|
16
|
18
|
14
|
13
|
18
|
22
|
21
|
25
|
21
|
25
|
21
|
11
|
17
|
11
|
13
|
12
|
19
|
|
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