Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
27
O3
0.5
CO
3
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
31
Excellent
Fri
19 Sep
31
Excellent
Sat
20 Sep
54
Good
Sun
21 Sep
51
Good
Mon
22 Sep
53
Good
Tue
23 Sep
42
Excellent
Wed
24 Sep
19
Excellent
Air quality in the last 12 months (Jiyang)
|
2025/08
|
38
|
36
|
34
|
24
|
31
|
37
|
33
|
24
|
22
|
17
|
20
|
22
|
18
|
19
|
12
|
11
|
8
|
9
|
15
|
23
|
20
|
13
|
14
|
23
|
23
|
16
|
15
|
16
|
16
|
25
|
21
|
|
2025/07
|
15
|
10
|
10
|
16
|
18
|
16
|
15
|
21
|
22
|
26
|
25
|
19
|
22
|
22
|
22
|
19
|
17
|
19
|
17
|
16
|
22
|
18
|
16
|
13
|
17
|
19
|
15
|
14
|
18
|
18
|
27
|
|
2025/06
|
20
|
21
|
21
|
21
|
17
|
15
|
19
|
21
|
20
|
24
|
17
|
11
|
22
|
16
|
19
|
23
|
21
|
17
|
17
|
15
|
15
|
12
|
11
|
14
|
9
|
9
|
14
|
10
|
18
|
19
|
|
|
2025/05
|
25
|
19
|
23
|
20
|
16
|
18
|
17
|
14
|
22
|
17
|
13
|
25
|
18
|
10
|
13
|
11
|
14
|
17
|
14
|
17
|
17
|
11
|
10
|
12
|
15
|
17
|
10
|
13
|
14
|
18
|
14
|
|
2025/04
|
13
|
20
|
29
|
30
|
31
|
22
|
25
|
27
|
26
|
25
|
24
|
25
|
35
|
105
|
102
|
100
|
83
|
41
|
24
|
20
|
20
|
20
|
20
|
20
|
21
|
18
|
11
|
18
|
18
|
23
|
|
|
2025/03
|
23
|
19
|
19
|
17
|
18
|
13
|
13
|
14
|
27
|
30
|
29
|
26
|
19
|
17
|
17
|
17
|
13
|
16
|
29
|
43
|
43
|
38
|
34
|
34
|
33
|
26
|
25
|
18
|
22
|
15
|
16
|
|
2025/02
|
23
|
17
|
20
|
14
|
22
|
31
|
32
|
15
|
34
|
37
|
24
|
18
|
26
|
15
|
10
|
14
|
21
|
37
|
46
|
36
|
36
|
23
|
15
|
14
|
17
|
28
|
31
|
27
|
|||
|
2025/01
|
48
|
42
|
44
|
43
|
47
|
56
|
43
|
39
|
41
|
58
|
44
|
48
|
38
|
19
|
19
|
52
|
56
|
48
|
44
|
44
|
37
|
35
|
35
|
30
|
25
|
22
|
20
|
37
|
43
|
36
|
30
|
|
2024/12
|
36
|
30
|
27
|
27
|
30
|
33
|
39
|
42
|
26
|
27
|
18
|
23
|
14
|
26
|
49
|
41
|
37
|
38
|
44
|
42
|
42
|
42
|
27
|
36
|
30
|
16
|
18
|
40
|
53
|
40
|
38
|
|
2024/11
|
33
|
37
|
16
|
13
|
31
|
34
|
29
|
42
|
42
|
32
|
21
|
23
|
29
|
28
|
22
|
25
|
22
|
19
|
23
|
11
|
13
|
16
|
16
|
13
|
21
|
22
|
21
|
32
|
39
|
35
|
|
|
2024/10
|
16
|
28
|
31
|
37
|
37
|
30
|
16
|
41
|
54
|
42
|
29
|
28
|
24
|
17
|
13
|
10
|
11
|
13
|
16
|
19
|
21
|
26
|
33
|
30
|
34
|
25
|
23
|
13
|
8
|
8
|
24
|
|
2024/09
|
12
|
13
|
14
|
19
|
26
|
17
|
27
|
26
|
24
|
17
|
15
|
15
|
13
|
11
|
16
|
18
|
17
|
16
|
10
|
11
|
16
|
11
|
9
|
10
|
15
|
13
|
14
|
13
|
12
|
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