Air Quality
Excellent
No health implications.
20
PM2.5
24
PM10
37
O3
0.5
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
49
Excellent
Wed
13 May
56
Good
Thu
14 May
54
Good
Fri
15 May
52
Good
Sat
16 May
55
Good
Sun
17 May
29
Excellent
Mon
18 May
43
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