Air Quality
Excellent
No health implications.
16
PM2.5
28
PM10
43
O3
0.6
CO
6
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
39
Excellent
Sat
20 Dec
40
Excellent
Sun
21 Dec
34
Excellent
Mon
22 Dec
37
Excellent
Tue
23 Dec
39
Excellent
Wed
24 Dec
37
Excellent
Thu
25 Dec
49
Excellent
Air quality in the last 12 months (Jiulong)
|
2025/11
|
11
|
12
|
14
|
23
|
20
|
15
|
16
|
16
|
16
|
15
|
15
|
16
|
16
|
26
|
22
|
24
|
22
|
21
|
18
|
26
|
20
|
29
|
23
|
32
|
28
|
31
|
28
|
30
|
36
|
41
|
|
|
2025/10
|
14
|
14
|
16
|
15
|
13
|
18
|
16
|
12
|
15
|
16
|
19
|
16
|
15
|
20
|
22
|
24
|
19
|
15
|
15
|
12
|
11
|
14
|
16
|
15
|
15
|
12
|
14
|
22
|
19
|
13
|
16
|
|
2025/09
|
18
|
19
|
16
|
17
|
17
|
13
|
17
|
14
|
18
|
17
|
16
|
15
|
20
|
26
|
27
|
17
|
15
|
15
|
15
|
15
|
13
|
13
|
14
|
17
|
25
|
25
|
26
|
17
|
15
|
17
|
|
|
2025/08
|
24
|
27
|
26
|
26
|
24
|
22
|
23
|
23
|
15
|
16
|
14
|
19
|
24
|
24
|
21
|
22
|
18
|
16
|
14
|
18
|
15
|
14
|
17
|
12
|
11
|
16
|
20
|
16
|
11
|
13
|
11
|
|
2025/07
|
22
|
15
|
14
|
14
|
12
|
12
|
14
|
20
|
17
|
21
|
18
|
15
|
22
|
23
|
23
|
26
|
28
|
28
|
17
|
17
|
14
|
17
|
17
|
16
|
17
|
13
|
18
|
18
|
22
|
20
|
19
|
|
2025/06
|
11
|
11
|
18
|
24
|
28
|
26
|
22
|
18
|
17
|
22
|
25
|
29
|
30
|
22
|
23
|
25
|
23
|
16
|
11
|
14
|
14
|
17
|
21
|
11
|
15
|
17
|
14
|
21
|
22
|
21
|
|
|
2025/05
|
24
|
25
|
21
|
17
|
17
|
11
|
15
|
25
|
26
|
34
|
37
|
32
|
29
|
19
|
16
|
14
|
13
|
17
|
20
|
18
|
23
|
29
|
15
|
15
|
24
|
24
|
15
|
12
|
16
|
16
|
13
|
|
2025/04
|
24
|
30
|
37
|
35
|
13
|
22
|
30
|
37
|
36
|
39
|
29
|
13
|
17
|
27
|
23
|
24
|
22
|
24
|
30
|
26
|
22
|
21
|
14
|
15
|
20
|
26
|
25
|
22
|
20
|
21
|
|
|
2025/03
|
27
|
24
|
21
|
24
|
18
|
14
|
23
|
27
|
31
|
32
|
31
|
51
|
36
|
28
|
15
|
14
|
11
|
12
|
25
|
29
|
32
|
35
|
31
|
28
|
28
|
26
|
27
|
70
|
39
|
36
|
29
|
|
2025/02
|
20
|
15
|
16
|
26
|
29
|
17
|
17
|
18
|
19
|
22
|
18
|
17
|
22
|
25
|
20
|
28
|
23
|
23
|
23
|
23
|
22
|
20
|
18
|
20
|
21
|
19
|
22
|
25
|
|||
|
2025/01
|
39
|
37
|
39
|
46
|
41
|
43
|
29
|
21
|
20
|
21
|
18
|
26
|
28
|
28
|
28
|
36
|
31
|
43
|
57
|
39
|
38
|
38
|
35
|
30
|
14
|
19
|
28
|
22
|
19
|
21
|
18
|
|
2024/12
|
29
|
29
|
30
|
30
|
26
|
31
|
23
|
24
|
22
|
21
|
27
|
33
|
22
|
26
|
33
|
41
|
43
|
34
|
43
|
44
|
31
|
24
|
34
|
31
|
28
|
33
|
37
|
30
|
37
|
29
|
38
|
|
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