Air Quality
Excellent
No health implications.
26
PM2.5
37
PM10
64
O3
0.7
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Feb
51
Good
Mon
16 Feb
87
Good
Tue
17 Feb
104
Light
Wed
18 Feb
52
Good
Thu
19 Feb
44
Excellent
Fri
20 Feb
41
Excellent
Sat
21 Feb
17
Excellent
Pu'an Air quality rank
Air quality in the last 12 months (Pu'an)
|
2026/01
|
38
|
19
|
15
|
19
|
32
|
29
|
60
|
54
|
76
|
79
|
92
|
78
|
87
|
68
|
70
|
76
|
83
|
55
|
45
|
43
|
26
|
31
|
46
|
32
|
38
|
41
|
54
|
40
|
33
|
40
|
27
|
|
2025/12
|
88
|
94
|
68
|
48
|
29
|
42
|
42
|
52
|
45
|
51
|
42
|
45
|
39
|
39
|
42
|
47
|
40
|
44
|
34
|
46
|
55
|
38
|
37
|
47
|
46
|
53
|
70
|
66
|
39
|
35
|
42
|
|
2025/11
|
19
|
19
|
12
|
17
|
15
|
18
|
27
|
19
|
12
|
16
|
18
|
25
|
28
|
38
|
35
|
35
|
39
|
25
|
24
|
40
|
42
|
44
|
53
|
46
|
38
|
50
|
50
|
45
|
41
|
67
|
|
|
2025/10
|
10
|
13
|
16
|
19
|
23
|
18
|
11
|
12
|
14
|
18
|
25
|
29
|
34
|
27
|
15
|
12
|
15
|
17
|
19
|
18
|
17
|
22
|
35
|
59
|
27
|
29
|
24
|
37
|
30
|
21
|
25
|
|
2025/09
|
17
|
20
|
18
|
22
|
24
|
23
|
25
|
24
|
21
|
20
|
17
|
16
|
15
|
14
|
15
|
13
|
14
|
16
|
18
|
23
|
24
|
19
|
17
|
14
|
20
|
14
|
12
|
15
|
16
|
11
|
|
|
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
|
|||
|
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