Air Quality
Excellent
No health implications.
7
PM2.5
13
PM10
37
O3
0.9
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Oct
46
Excellent
Thu
22 Oct
48
Excellent
Fri
23 Oct
39
Excellent
Sat
24 Oct
38
Excellent
Sun
25 Oct
38
Excellent
Mon
26 Oct
38
Excellent
Tue
27 Oct
45
Excellent
Air quality in the last 12 months (Longwan)
|
2026/08
|
45
|
34
|
32
|
27
|
29
|
33
|
26
|
17
|
15
|
23
|
40
|
26
|
38
|
39
|
29
|
27
|
26
|
18
|
20
|
16
|
22
|
18
|
20
|
17
|
14
|
26
|
32
|
21
|
17
|
17
|
17
|
|
2026/07
|
28
|
43
|
35
|
35
|
38
|
38
|
31
|
37
|
27
|
31
|
16
|
24
|
25
|
26
|
34
|
40
|
51
|
46
|
49
|
25
|
38
|
39
|
48
|
32
|
18
|
25
|
15
|
13
|
24
|
27
|
31
|
|
2026/06
|
44
|
57
|
48
|
42
|
40
|
31
|
33
|
25
|
23
|
27
|
46
|
42
|
29
|
29
|
29
|
32
|
25
|
28
|
25
|
31
|
41
|
36
|
36
|
30
|
28
|
25
|
44
|
45
|
32
|
26
|
|
|
2026/05
|
39
|
45
|
46
|
40
|
34
|
33
|
38
|
31
|
28
|
41
|
40
|
38
|
29
|
37
|
25
|
31
|
29
|
32
|
35
|
50
|
56
|
42
|
49
|
53
|
53
|
56
|
44
|
39
|
46
|
45
|
40
|
|
2026/04
|
34
|
38
|
57
|
35
|
44
|
49
|
34
|
36
|
57
|
55
|
51
|
31
|
70
|
68
|
56
|
40
|
45
|
36
|
58
|
62
|
25
|
39
|
23
|
32
|
40
|
49
|
46
|
49
|
25
|
28
|
|
|
2026/03
|
23
|
18
|
25
|
31
|
24
|
33
|
44
|
34
|
37
|
43
|
43
|
45
|
56
|
48
|
36
|
36
|
47
|
57
|
27
|
56
|
32
|
48
|
35
|
35
|
54
|
42
|
45
|
43
|
47
|
44
|
43
|
|
2026/02
|
27
|
39
|
54
|
46
|
49
|
41
|
18
|
37
|
35
|
39
|
51
|
69
|
57
|
37
|
31
|
26
|
58
|
44
|
60
|
50
|
45
|
39
|
114
|
50
|
23
|
33
|
19
|
24
|
|||
|
2026/01
|
26
|
27
|
57
|
65
|
40
|
51
|
55
|
65
|
71
|
69
|
65
|
71
|
71
|
83
|
63
|
73
|
72
|
51
|
40
|
12
|
36
|
50
|
50
|
60
|
73
|
51
|
23
|
40
|
39
|
40
|
14
|
|
2025/12
|
69
|
66
|
53
|
50
|
51
|
51
|
56
|
64
|
39
|
50
|
55
|
52
|
41
|
43
|
67
|
59
|
69
|
78
|
65
|
63
|
58
|
29
|
56
|
61
|
30
|
41
|
41
|
48
|
54
|
64
|
36
|
|
2025/11
|
32
|
57
|
37
|
24
|
21
|
37
|
43
|
47
|
31
|
41
|
24
|
13
|
22
|
51
|
50
|
49
|
33
|
18
|
38
|
51
|
57
|
65
|
59
|
59
|
64
|
88
|
84
|
96
|
94
|
74
|
|
|
2025/10
|
20
|
18
|
17
|
15
|
26
|
33
|
28
|
35
|
27
|
29
|
32
|
28
|
24
|
25
|
18
|
32
|
23
|
30
|
11
|
16
|
17
|
27
|
40
|
30
|
37
|
44
|
38
|
29
|
20
|
34
|
19
|
|
2025/09
|
22
|
19
|
19
|
28
|
23
|
20
|
18
|
22
|
23
|
23
|
22
|
32
|
41
|
27
|
25
|
18
|
18
|
18
|
15
|
20
|
18
|
20
|
22
|
24
|
23
|
20
|
24
|
27
|
21
|
22
|
|
|
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