Air Quality
Excellent
No health implications.
25
PM2.5
34
PM10
69
O3
0.5
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
72
Good
Sat
19 Sep
69
Good
Sun
20 Sep
58
Good
Mon
21 Sep
56
Good
Tue
22 Sep
58
Good
Wed
23 Sep
18
Excellent
Thu
24 Sep
34
Excellent
Air quality in the last 12 months (Yongchun)
|
2026/08
|
33
|
36
|
48
|
34
|
27
|
25
|
32
|
25
|
16
|
19
|
33
|
38
|
35
|
26
|
23
|
23
|
24
|
16
|
16
|
15
|
19
|
24
|
19
|
17
|
16
|
14
|
24
|
27
|
21
|
20
|
19
|
|
2026/07
|
19
|
20
|
20
|
18
|
18
|
18
|
18
|
24
|
33
|
26
|
22
|
30
|
19
|
17
|
17
|
21
|
20
|
23
|
25
|
24
|
35
|
44
|
44
|
40
|
17
|
14
|
15
|
15
|
23
|
29
|
40
|
|
2026/06
|
44
|
53
|
45
|
30
|
29
|
41
|
37
|
23
|
25
|
27
|
26
|
30
|
28
|
20
|
17
|
16
|
15
|
18
|
18
|
22
|
36
|
39
|
38
|
37
|
23
|
21
|
17
|
21
|
25
|
22
|
|
|
2026/05
|
27
|
34
|
31
|
22
|
24
|
28
|
37
|
36
|
26
|
26
|
36
|
43
|
29
|
18
|
20
|
24
|
26
|
28
|
33
|
33
|
24
|
25
|
35
|
36
|
31
|
32
|
39
|
31
|
35
|
40
|
41
|
|
2026/04
|
28
|
26
|
23
|
22
|
31
|
37
|
23
|
25
|
33
|
39
|
35
|
33
|
32
|
39
|
45
|
28
|
43
|
36
|
35
|
45
|
33
|
33
|
28
|
19
|
27
|
38
|
54
|
52
|
30
|
20
|
|
|
2026/03
|
16
|
39
|
19
|
22
|
19
|
28
|
37
|
37
|
38
|
32
|
40
|
39
|
37
|
35
|
36
|
32
|
37
|
42
|
32
|
39
|
33
|
40
|
46
|
35
|
41
|
34
|
37
|
27
|
38
|
49
|
38
|
|
2026/02
|
17
|
32
|
38
|
40
|
47
|
48
|
18
|
28
|
26
|
33
|
37
|
41
|
39
|
38
|
36
|
55
|
37
|
28
|
34
|
39
|
52
|
52
|
43
|
61
|
32
|
28
|
25
|
9
|
|||
|
2026/01
|
23
|
19
|
26
|
34
|
37
|
24
|
38
|
39
|
43
|
45
|
49
|
53
|
49
|
46
|
49
|
52
|
51
|
51
|
44
|
25
|
20
|
35
|
27
|
30
|
25
|
39
|
40
|
26
|
33
|
25
|
26
|
|
2025/12
|
41
|
32
|
44
|
37
|
31
|
30
|
33
|
35
|
39
|
33
|
40
|
45
|
32
|
25
|
31
|
39
|
40
|
51
|
48
|
45
|
54
|
24
|
29
|
41
|
19
|
26
|
22
|
26
|
32
|
34
|
36
|
|
2025/11
|
17
|
29
|
36
|
10
|
10
|
16
|
24
|
26
|
26
|
18
|
15
|
7
|
8
|
22
|
36
|
31
|
29
|
24
|
21
|
27
|
28
|
33
|
36
|
40
|
36
|
65
|
49
|
66
|
59
|
51
|
|
|
2025/10
|
36
|
20
|
28
|
28
|
34
|
33
|
28
|
25
|
27
|
25
|
25
|
31
|
35
|
28
|
21
|
23
|
30
|
22
|
15
|
10
|
8
|
8
|
16
|
17
|
19
|
26
|
35
|
21
|
17
|
23
|
22
|
|
2025/09
|
28
|
28
|
39
|
36
|
29
|
17
|
16
|
14
|
17
|
22
|
20
|
30
|
32
|
28
|
30
|
24
|
16
|
15
|
15
|
10
|
14
|
12
|
13
|
12
|
18
|
13
|
16
|
18
|
31
|
31
|
|
|
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