Air Quality
Excellent
No health implications.
4
PM2.5
13
PM10
63
O3
0.6
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 May
53
Good
Thu
29 May
60
Good
Fri
30 May
61
Good
Sat
31 May
66
Good
Sun
1 Jun
63
Good
Mon
2 Jun
38
Excellent
Tue
3 Jun
16
Excellent
Air quality in the last 12 months (Jiulong)
|
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
|
|
2024/11
|
20
|
19
|
24
|
18
|
16
|
24
|
20
|
25
|
23
|
24
|
21
|
24
|
23
|
26
|
28
|
27
|
21
|
23
|
22
|
24
|
26
|
21
|
17
|
16
|
20
|
21
|
21
|
23
|
25
|
30
|
|
|
2024/10
|
9
|
11
|
14
|
17
|
13
|
10
|
9
|
13
|
14
|
11
|
16
|
17
|
15
|
20
|
17
|
16
|
15
|
20
|
19
|
20
|
18
|
21
|
23
|
24
|
22
|
14
|
10
|
24
|
29
|
24
|
25
|
|
2024/09
|
15
|
16
|
14
|
14
|
13
|
18
|
18
|
18
|
15
|
13
|
16
|
17
|
21
|
20
|
19
|
11
|
14
|
17
|
23
|
24
|
19
|
19
|
20
|
17
|
14
|
18
|
20
|
22
|
19
|
13
|
|
|
2024/08
|
23
|
26
|
25
|
20
|
19
|
23
|
26
|
24
|
23
|
18
|
39
|
23
|
23
|
32
|
30
|
17
|
19
|
19
|
21
|
20
|
23
|
28
|
33
|
33
|
37
|
33
|
33
|
33
|
32
|
32
|
22
|
|
2024/07
|
20
|
19
|
17
|
13
|
15
|
18
|
21
|
16
|
15
|
18
|
13
|
23
|
21
|
14
|
16
|
13
|
18
|
16
|
18
|
16
|
12
|
16
|
19
|
16
|
15
|
19
|
22
|
17
|
13
|
15
|
18
|
|
2024/06
|
32
|
23
|
19
|
15
|
20
|
21
|
14
|
14
|
13
|
16
|
16
|
21
|
21
|
21
|
22
|
21
|
13
|
13
|
12
|
13
|
21
|
14
|
19
|
13
|
21
|
22
|
15
|
14
|
16
|
17
|
|
|
2024/05
|
15
|
21
|
24
|
20
|
26
|
28
|
32
|
19
|
21
|
21
|
14
|
13
|
21
|
25
|
18
|
24
|
17
|
19
|
28
|
26
|
24
|
24
|
27
|
29
|
31
|
25
|
18
|
18
|
16
|
12
|
24
|
|
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