Air Quality
Excellent
No health implications.
15
PM2.5
24
PM10
105
O3
0.4
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
67
Good
Wed
27 May
67
Good
Thu
28 May
61
Good
Fri
29 May
63
Good
Sat
30 May
63
Good
Sun
31 May
57
Good
Mon
1 Jun
20
Excellent
Air quality in the last 12 months (Yongren)
|
2026/04
|
37
|
38
|
34
|
40
|
43
|
38
|
37
|
40
|
30
|
36
|
37
|
38
|
47
|
58
|
69
|
54
|
48
|
51
|
53
|
46
|
52
|
52
|
43
|
47
|
49
|
58
|
41
|
34
|
25
|
29
|
|
|
2026/03
|
49
|
55
|
55
|
43
|
61
|
82
|
82
|
79
|
37
|
26
|
53
|
54
|
32
|
29
|
29
|
36
|
37
|
30
|
40
|
37
|
43
|
44
|
29
|
34
|
40
|
34
|
37
|
51
|
34
|
29
|
34
|
|
2026/02
|
40
|
36
|
34
|
30
|
30
|
28
|
37
|
43
|
34
|
27
|
32
|
29
|
27
|
31
|
42
|
52
|
90
|
49
|
53
|
38
|
34
|
37
|
41
|
45
|
50
|
58
|
44
|
49
|
|||
|
2026/01
|
38
|
36
|
30
|
28
|
31
|
43
|
46
|
38
|
41
|
47
|
41
|
39
|
46
|
49
|
41
|
36
|
61
|
56
|
50
|
43
|
43
|
55
|
71
|
51
|
50
|
46
|
48
|
52
|
44
|
34
|
43
|
|
2025/12
|
45
|
43
|
48
|
40
|
34
|
35
|
36
|
43
|
41
|
42
|
48
|
47
|
46
|
49
|
41
|
39
|
49
|
54
|
51
|
48
|
38
|
37
|
51
|
43
|
44
|
53
|
51
|
45
|
38
|
35
|
29
|
|
2025/11
|
26
|
14
|
11
|
23
|
31
|
32
|
21
|
28
|
18
|
18
|
20
|
25
|
22
|
27
|
28
|
29
|
33
|
29
|
21
|
33
|
37
|
36
|
37
|
38
|
47
|
47
|
38
|
42
|
47
|
49
|
|
|
2025/10
|
12
|
14
|
15
|
14
|
17
|
21
|
15
|
14
|
15
|
14
|
17
|
16
|
20
|
21
|
21
|
18
|
17
|
13
|
19
|
25
|
17
|
17
|
25
|
33
|
38
|
19
|
23
|
31
|
34
|
31
|
37
|
|
2025/09
|
28
|
17
|
20
|
22
|
17
|
21
|
24
|
31
|
21
|
27
|
16
|
22
|
20
|
18
|
15
|
16
|
18
|
15
|
19
|
32
|
20
|
23
|
21
|
16
|
28
|
19
|
22
|
18
|
21
|
13
|
|
|
2025/08
|
25
|
28
|
20
|
18
|
23
|
23
|
29
|
22
|
18
|
17
|
21
|
15
|
21
|
32
|
34
|
23
|
20
|
31
|
30
|
19
|
22
|
13
|
13
|
13
|
22
|
25
|
27
|
21
|
19
|
22
|
29
|
|
2025/07
|
21
|
18
|
15
|
18
|
18
|
19
|
24
|
17
|
21
|
23
|
21
|
29
|
25
|
32
|
32
|
28
|
33
|
31
|
17
|
24
|
25
|
23
|
23
|
22
|
18
|
24
|
27
|
17
|
30
|
32
|
20
|
|
2025/06
|
17
|
19
|
15
|
24
|
30
|
31
|
27
|
26
|
25
|
31
|
31
|
39
|
44
|
44
|
18
|
19
|
23
|
13
|
13
|
13
|
14
|
15
|
13
|
13
|
22
|
14
|
22
|
18
|
14
|
17
|
|
|
2025/05
|
28
|
26
|
19
|
17
|
22
|
30
|
28
|
24
|
32
|
39
|
29
|
30
|
31
|
30
|
32
|
38
|
32
|
36
|
27
|
32
|
26
|
23
|
47
|
25
|
33
|
23
|
25
|
16
|
15
|
17
|
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