Air Quality
Excellent
No health implications.
5
PM2.5
10
PM10
36
O3
0.5
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Sep
27
Excellent
Sat
27 Sep
26
Excellent
Sun
28 Sep
30
Excellent
Mon
29 Sep
26
Excellent
Tue
30 Sep
28
Excellent
Wed
1 Oct
30
Excellent
Thu
2 Oct
16
Excellent
Air quality in the last 12 months (Pu'an)
|
2025/08
|
25
|
25
|
25
|
22
|
24
|
23
|
15
|
16
|
17
|
18
|
19
|
19
|
24
|
27
|
23
|
10
|
12
|
16
|
14
|
14
|
10
|
10
|
12
|
14
|
14
|
12
|
12
|
12
|
13
|
17
|
21
|
|
2025/07
|
11
|
9
|
11
|
10
|
12
|
11
|
15
|
17
|
15
|
15
|
19
|
21
|
27
|
21
|
20
|
22
|
21
|
21
|
19
|
18
|
13
|
12
|
12
|
10
|
10
|
13
|
23
|
26
|
30
|
25
|
24
|
|
2025/06
|
17
|
15
|
20
|
27
|
21
|
25
|
30
|
27
|
33
|
24
|
27
|
33
|
26
|
16
|
17
|
21
|
17
|
12
|
13
|
16
|
23
|
14
|
17
|
12
|
12
|
10
|
11
|
10
|
12
|
11
|
|
|
2025/05
|
42
|
46
|
36
|
24
|
34
|
33
|
22
|
32
|
29
|
19
|
23
|
31
|
25
|
27
|
39
|
44
|
22
|
34
|
40
|
23
|
24
|
28
|
46
|
45
|
24
|
15
|
10
|
12
|
16
|
12
|
15
|
|
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
|
|
|
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