Air Quality
Excellent
No health implications.
18
PM2.5
33
PM10
93
O3
0.4
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Sep
81
Good
Thu
24 Sep
72
Good
Fri
25 Sep
78
Good
Sat
26 Sep
75
Good
Sun
27 Sep
75
Good
Mon
28 Sep
18
Excellent
Tue
29 Sep
50
Excellent
Air quality in the last 12 months (Longwen)
|
2026/08
|
26
|
31
|
48
|
50
|
47
|
32
|
46
|
36
|
24
|
22
|
40
|
52
|
44
|
31
|
28
|
33
|
37
|
28
|
28
|
22
|
27
|
29
|
31
|
19
|
16
|
19
|
29
|
27
|
38
|
27
|
21
|
|
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
|
|
|
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