Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
41
O3
0.4
CO
5
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Aug
35
Excellent
Fri
21 Aug
48
Excellent
Sat
22 Aug
48
Excellent
Sun
23 Aug
55
Good
Mon
24 Aug
55
Good
Tue
25 Aug
57
Good
Wed
26 Aug
18
Excellent
Air quality in the last 12 months (Longwen)
|
2026/07
|
23
|
26
|
22
|
16
|
21
|
19
|
16
|
23
|
29
|
42
|
44
|
36
|
19
|
16
|
17
|
22
|
20
|
22
|
34
|
32
|
39
|
50
|
51
|
70
|
44
|
17
|
13
|
22
|
29
|
49
|
43
|
|
2026/06
|
64
|
68
|
45
|
39
|
39
|
51
|
41
|
26
|
25
|
33
|
32
|
46
|
30
|
21
|
19
|
18
|
15
|
20
|
17
|
25
|
34
|
40
|
44
|
51
|
33
|
23
|
28
|
34
|
24
|
16
|
|
|
2026/05
|
41
|
45
|
42
|
26
|
40
|
46
|
40
|
54
|
29
|
45
|
42
|
65
|
53
|
17
|
19
|
28
|
42
|
38
|
39
|
35
|
50
|
31
|
36
|
37
|
32
|
31
|
38
|
46
|
54
|
62
|
65
|
|
2026/04
|
34
|
39
|
43
|
27
|
40
|
43
|
46
|
51
|
48
|
43
|
40
|
34
|
36
|
38
|
62
|
43
|
52
|
47
|
50
|
57
|
47
|
38
|
38
|
21
|
32
|
63
|
65
|
62
|
31
|
28
|
|
|
2026/03
|
15
|
43
|
26
|
37
|
39
|
40
|
51
|
48
|
48
|
43
|
57
|
62
|
48
|
54
|
50
|
45
|
50
|
49
|
47
|
52
|
50
|
51
|
53
|
41
|
55
|
42
|
52
|
44
|
51
|
78
|
44
|
|
2026/02
|
29
|
49
|
53
|
61
|
63
|
56
|
34
|
43
|
40
|
49
|
50
|
51
|
54
|
42
|
32
|
47
|
76
|
46
|
44
|
50
|
54
|
62
|
62
|
78
|
55
|
36
|
46
|
14
|
|||
|
2026/01
|
30
|
31
|
47
|
55
|
50
|
34
|
48
|
60
|
62
|
65
|
68
|
69
|
67
|
70
|
80
|
77
|
72
|
77
|
73
|
48
|
45
|
48
|
41
|
46
|
47
|
63
|
54
|
42
|
48
|
56
|
36
|
|
2025/12
|
50
|
64
|
48
|
50
|
55
|
49
|
57
|
63
|
57
|
53
|
54
|
59
|
41
|
39
|
59
|
55
|
63
|
63
|
78
|
60
|
71
|
39
|
47
|
58
|
26
|
34
|
39
|
45
|
51
|
55
|
57
|
|
2025/11
|
32
|
52
|
45
|
20
|
18
|
32
|
44
|
46
|
54
|
27
|
35
|
12
|
15
|
34
|
51
|
57
|
52
|
44
|
27
|
44
|
51
|
60
|
60
|
58
|
44
|
69
|
65
|
77
|
85
|
63
|
|
|
2025/10
|
47
|
32
|
41
|
40
|
33
|
33
|
41
|
37
|
37
|
37
|
36
|
41
|
34
|
44
|
31
|
38
|
43
|
40
|
28
|
22
|
16
|
15
|
26
|
28
|
32
|
43
|
51
|
39
|
24
|
41
|
50
|
|
2025/09
|
42
|
31
|
32
|
39
|
40
|
30
|
15
|
12
|
15
|
24
|
26
|
36
|
34
|
39
|
34
|
32
|
29
|
21
|
23
|
12
|
25
|
25
|
18
|
15
|
23
|
28
|
33
|
35
|
43
|
54
|
|
|
2025/08
|
27
|
29
|
23
|
15
|
17
|
27
|
35
|
40
|
27
|
13
|
15
|
28
|
25
|
13
|
23
|
24
|
29
|
24
|
22
|
22
|
31
|
21
|
30
|
29
|
31
|
21
|
23
|
28
|
24
|
27
|
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