Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
29
O3
0.7
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Apr
48
Excellent
Sat
25 Apr
57
Good
Sun
26 Apr
88
Good
Mon
27 Apr
84
Good
Tue
28 Apr
57
Good
Wed
29 Apr
27
Excellent
Thu
30 Apr
42
Excellent
Air quality in the last 12 months (Longhu)
|
2026/03
|
20
|
45
|
28
|
29
|
34
|
28
|
44
|
34
|
34
|
36
|
39
|
50
|
41
|
40
|
35
|
35
|
32
|
44
|
45
|
34
|
36
|
37
|
38
|
36
|
50
|
35
|
36
|
32
|
34
|
39
|
46
|
|
2026/02
|
31
|
31
|
41
|
48
|
60
|
55
|
33
|
38
|
39
|
31
|
52
|
44
|
45
|
46
|
41
|
37
|
33
|
40
|
38
|
53
|
55
|
63
|
57
|
72
|
43
|
19
|
40
|
11
|
|||
|
2026/01
|
28
|
24
|
31
|
41
|
47
|
30
|
35
|
43
|
45
|
50
|
54
|
57
|
61
|
49
|
52
|
57
|
56
|
47
|
46
|
30
|
36
|
37
|
40
|
38
|
29
|
46
|
49
|
28
|
34
|
38
|
30
|
|
2025/12
|
35
|
35
|
41
|
46
|
36
|
36
|
43
|
46
|
46
|
38
|
39
|
46
|
40
|
35
|
40
|
47
|
51
|
43
|
54
|
45
|
72
|
36
|
34
|
36
|
29
|
25
|
30
|
38
|
38
|
48
|
36
|
|
2025/11
|
27
|
36
|
41
|
20
|
18
|
26
|
28
|
30
|
40
|
26
|
28
|
19
|
20
|
27
|
39
|
38
|
38
|
36
|
24
|
37
|
41
|
43
|
49
|
53
|
41
|
63
|
54
|
64
|
75
|
58
|
|
|
2025/10
|
21
|
20
|
24
|
28
|
18
|
17
|
28
|
28
|
29
|
25
|
24
|
21
|
15
|
18
|
24
|
27
|
31
|
32
|
27
|
23
|
17
|
19
|
27
|
32
|
31
|
40
|
42
|
38
|
25
|
34
|
36
|
|
2025/09
|
24
|
31
|
26
|
18
|
15
|
22
|
14
|
16
|
15
|
18
|
20
|
17
|
16
|
18
|
17
|
21
|
20
|
18
|
14
|
13
|
17
|
24
|
20
|
27
|
22
|
23
|
22
|
22
|
23
|
26
|
|
|
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
|
|
|
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