Air Quality
Excellent
No health implications.
21
PM2.5
38
PM10
115
O3
0.5
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
67
Good
Sat
10 May
66
Good
Sun
11 May
68
Good
Mon
12 May
71
Good
Tue
13 May
72
Good
Wed
14 May
68
Good
Thu
15 May
45
Excellent
Air quality in the last 12 months (Yongren)
|
2025/02
|
51
|
54
|
36
|
40
|
51
|
59
|
44
|
45
|
46
|
33
|
31
|
32
|
45
|
53
|
37
|
44
|
34
|
44
|
45
|
39
|
39
|
39
|
42
|
39
|
33
|
29
|
28
|
37
|
|||
|
2025/01
|
38
|
38
|
48
|
46
|
48
|
50
|
40
|
32
|
29
|
43
|
25
|
40
|
53
|
36
|
55
|
68
|
58
|
58
|
58
|
57
|
56
|
54
|
62
|
43
|
33
|
29
|
35
|
43
|
50
|
46
|
40
|
|
2024/12
|
30
|
34
|
43
|
36
|
36
|
36
|
36
|
40
|
30
|
36
|
41
|
45
|
45
|
40
|
48
|
45
|
40
|
46
|
36
|
38
|
50
|
42
|
27
|
42
|
43
|
41
|
55
|
61
|
50
|
38
|
34
|
|
2024/11
|
32
|
32
|
35
|
28
|
31
|
57
|
26
|
19
|
16
|
28
|
31
|
30
|
26
|
29
|
34
|
37
|
37
|
35
|
33
|
36
|
28
|
20
|
25
|
21
|
29
|
29
|
33
|
43
|
20
|
22
|
|
|
2024/10
|
15
|
20
|
38
|
35
|
14
|
17
|
29
|
41
|
23
|
27
|
28
|
28
|
32
|
32
|
27
|
25
|
23
|
35
|
41
|
36
|
24
|
23
|
25
|
36
|
38
|
34
|
31
|
43
|
46
|
40
|
30
|
|
2024/09
|
29
|
16
|
22
|
25
|
16
|
27
|
33
|
31
|
26
|
15
|
22
|
24
|
30
|
29
|
27
|
22
|
29
|
34
|
39
|
41
|
39
|
30
|
23
|
37
|
40
|
28
|
24
|
17
|
21
|
28
|
|
|
2024/08
|
32
|
40
|
25
|
24
|
21
|
15
|
17
|
13
|
17
|
22
|
28
|
35
|
39
|
46
|
48
|
41
|
39
|
29
|
28
|
31
|
32
|
40
|
22
|
30
|
30
|
28
|
17
|
37
|
30
|
35
|
23
|
|
2024/07
|
12
|
15
|
13
|
15
|
12
|
17
|
12
|
15
|
16
|
16
|
20
|
20
|
16
|
29
|
12
|
18
|
20
|
25
|
28
|
16
|
24
|
29
|
22
|
31
|
26
|
29
|
36
|
36
|
25
|
19
|
30
|
|
2024/06
|
38
|
46
|
31
|
26
|
21
|
29
|
18
|
24
|
17
|
36
|
26
|
19
|
17
|
17
|
25
|
26
|
30
|
28
|
26
|
28
|
29
|
27
|
25
|
14
|
22
|
34
|
31
|
9
|
16
|
20
|
|
|
2024/05
|
52
|
47
|
32
|
49
|
53
|
44
|
36
|
44
|
34
|
28
|
29
|
23
|
24
|
31
|
24
|
32
|
44
|
33
|
27
|
19
|
27
|
35
|
27
|
27
|
24
|
13
|
18
|
22
|
21
|
28
|
19
|
|
2024/04
|
26
|
35
|
47
|
45
|
41
|
58
|
45
|
45
|
48
|
45
|
47
|
55
|
41
|
41
|
41
|
51
|
52
|
40
|
43
|
39
|
29
|
45
|
56
|
48
|
39
|
47
|
46
|
55
|
41
|
51
|
|
|
2024/03
|
36
|
34
|
29
|
31
|
31
|
32
|
30
|
30
|
26
|
37
|
43
|
63
|
58
|
49
|
51
|
46
|
54
|
42
|
50
|
65
|
57
|
33
|
19
|
26
|
29
|
38
|
39
|
36
|
40
|
47
|
36
|
|
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