Air Quality
Excellent
No health implications.
15
PM2.5
21
PM10
54
O3
0.6
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
56
Good
Thu
20 Mar
52
Good
Fri
21 Mar
55
Good
Sat
22 Mar
56
Good
Sun
23 Mar
56
Good
Mon
24 Mar
47
Excellent
Tue
25 Mar
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