Air Quality
Excellent
No health implications.
24
PM2.5
37
PM10
52
O3
0.5
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
50
Excellent
Fri
20 Mar
41
Excellent
Sat
21 Mar
42
Excellent
Sun
22 Mar
54
Good
Mon
23 Mar
59
Good
Tue
24 Mar
67
Good
Wed
25 Mar
50
Excellent
Air quality in the last 12 months (Pu'an)
|
2026/02
|
24
|
22
|
20
|
41
|
56
|
51
|
45
|
25
|
23
|
27
|
29
|
28
|
42
|
45
|
41
|
76
|
83
|
43
|
19
|
35
|
33
|
47
|
36
|
56
|
45
|
36
|
40
|
38
|
|||
|
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
|
|
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