Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
50
O3
0.6
CO
3
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Sep
54
Good
Wed
24 Sep
45
Excellent
Thu
25 Sep
42
Excellent
Fri
26 Sep
49
Excellent
Sat
27 Sep
55
Good
Sun
28 Sep
51
Good
Mon
29 Sep
24
Excellent
Air quality in the last 12 months (Longhu)
|
2025/08
|
20
|
18
|
15
|
9
|
11
|
25
|
34
|
32
|
19
|
11
|
12
|
19
|
30
|
11
|
20
|
22
|
17
|
12
|
13
|
26
|
20
|
32
|
25
|
18
|
26
|
19
|
20
|
21
|
21
|
17
|
24
|
|
2025/07
|
13
|
16
|
20
|
25
|
13
|
19
|
38
|
32
|
25
|
11
|
12
|
31
|
33
|
30
|
27
|
33
|
34
|
21
|
23
|
24
|
20
|
14
|
24
|
30
|
25
|
29
|
34
|
25
|
20
|
29
|
22
|
|
2025/06
|
39
|
27
|
20
|
17
|
30
|
23
|
29
|
17
|
20
|
18
|
17
|
22
|
13
|
30
|
28
|
17
|
16
|
22
|
12
|
12
|
11
|
15
|
17
|
14
|
15
|
13
|
11
|
13
|
10
|
12
|
|
|
2025/05
|
51
|
67
|
51
|
34
|
35
|
29
|
37
|
48
|
41
|
29
|
27
|
38
|
35
|
33
|
29
|
16
|
18
|
21
|
23
|
19
|
19
|
22
|
21
|
22
|
24
|
34
|
31
|
27
|
12
|
24
|
36
|
|
2025/04
|
19
|
34
|
48
|
47
|
36
|
49
|
59
|
59
|
54
|
37
|
42
|
40
|
121
|
101
|
101
|
79
|
63
|
60
|
38
|
33
|
32
|
31
|
32
|
30
|
16
|
17
|
27
|
51
|
37
|
42
|
|
|
2025/03
|
94
|
36
|
26
|
22
|
14
|
20
|
22
|
27
|
34
|
35
|
49
|
73
|
64
|
19
|
34
|
15
|
40
|
53
|
42
|
50
|
51
|
49
|
65
|
66
|
58
|
38
|
29
|
46
|
31
|
12
|
13
|
|
2025/02
|
50
|
24
|
15
|
25
|
47
|
37
|
22
|
38
|
41
|
32
|
41
|
57
|
48
|
29
|
40
|
72
|
44
|
51
|
29
|
26
|
22
|
21
|
32
|
28
|
45
|
50
|
58
|
96
|
|||
|
2025/01
|
52
|
56
|
55
|
44
|
50
|
49
|
53
|
53
|
49
|
45
|
47
|
39
|
47
|
48
|
62
|
82
|
53
|
45
|
53
|
48
|
54
|
57
|
57
|
30
|
27
|
29
|
24
|
37
|
53
|
39
|
38
|
|
2024/12
|
48
|
54
|
53
|
35
|
34
|
50
|
38
|
35
|
39
|
30
|
30
|
33
|
31
|
39
|
48
|
48
|
47
|
57
|
55
|
38
|
42
|
51
|
44
|
37
|
34
|
43
|
52
|
68
|
58
|
52
|
60
|
|
2024/11
|
26
|
19
|
27
|
37
|
38
|
41
|
30
|
28
|
27
|
28
|
32
|
31
|
22
|
22
|
33
|
20
|
23
|
24
|
17
|
13
|
14
|
23
|
30
|
27
|
27
|
20
|
27
|
30
|
34
|
40
|
|
|
2024/10
|
19
|
21
|
26
|
23
|
22
|
30
|
32
|
16
|
28
|
35
|
41
|
39
|
30
|
29
|
26
|
24
|
27
|
35
|
41
|
23
|
21
|
32
|
32
|
33
|
40
|
35
|
44
|
32
|
24
|
46
|
34
|
|
2024/09
|
33
|
39
|
35
|
31
|
26
|
12
|
15
|
12
|
16
|
33
|
50
|
36
|
30
|
26
|
23
|
25
|
29
|
25
|
30
|
16
|
14
|
13
|
14
|
13
|
24
|
32
|
30
|
18
|
35
|
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