Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
33
O3
0.3
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jun
45
Excellent
Wed
18 Jun
47
Excellent
Thu
19 Jun
46
Excellent
Fri
20 Jun
46
Excellent
Sat
21 Jun
55
Good
Sun
22 Jun
38
Excellent
Mon
23 Jun
32
Excellent
Air quality in the last 12 months (Longhu)
|
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
|
|
|
2024/08
|
26
|
25
|
30
|
41
|
41
|
35
|
34
|
39
|
36
|
29
|
29
|
31
|
27
|
21
|
26
|
25
|
13
|
18
|
11
|
9
|
13
|
23
|
27
|
28
|
38
|
33
|
39
|
37
|
39
|
20
|
19
|
|
2024/07
|
21
|
17
|
13
|
14
|
13
|
14
|
12
|
12
|
12
|
16
|
14
|
14
|
16
|
14
|
14
|
15
|
17
|
14
|
19
|
18
|
15
|
15
|
30
|
30
|
31
|
14
|
21
|
15
|
16
|
16
|
16
|
|
2024/06
|
21
|
12
|
17
|
23
|
21
|
31
|
15
|
14
|
19
|
16
|
21
|
20
|
21
|
23
|
25
|
14
|
16
|
15
|
14
|
13
|
16
|
20
|
17
|
13
|
13
|
13
|
17
|
16
|
12
|
18
|
|
|
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