Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
45
PM2.5
77
*
PM10
86
O3
0.5
CO
5
SO2
27
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Mar
46
Excellent
Tue
18 Mar
53
Good
Wed
19 Mar
46
Excellent
Thu
20 Mar
52
Good
Fri
21 Mar
55
Good
Sat
22 Mar
51
Good
Sun
23 Mar
37
Excellent
Air quality in the last 12 months (Longwen)
|
2025/02
|
56
|
23
|
17
|
31
|
69
|
64
|
16
|
43
|
47
|
45
|
48
|
55
|
49
|
39
|
47
|
74
|
52
|
63
|
35
|
43
|
29
|
26
|
25
|
38
|
51
|
68
|
78
|
74
|
|||
|
2025/01
|
70
|
68
|
65
|
53
|
59
|
62
|
71
|
67
|
63
|
67
|
52
|
51
|
63
|
62
|
79
|
89
|
74
|
61
|
60
|
60
|
68
|
75
|
61
|
40
|
33
|
28
|
20
|
40
|
142
|
45
|
41
|
|
2024/12
|
62
|
73
|
52
|
45
|
49
|
49
|
46
|
33
|
34
|
42
|
48
|
30
|
24
|
40
|
62
|
63
|
62
|
61
|
55
|
43
|
51
|
67
|
72
|
45
|
53
|
61
|
64
|
73
|
69
|
64
|
75
|
|
2024/11
|
15
|
20
|
38
|
51
|
51
|
45
|
31
|
32
|
52
|
51
|
41
|
35
|
25
|
40
|
39
|
27
|
33
|
19
|
18
|
12
|
15
|
24
|
30
|
33
|
32
|
18
|
30
|
28
|
41
|
55
|
|
|
2024/10
|
14
|
15
|
21
|
21
|
22
|
28
|
27
|
19
|
31
|
41
|
52
|
50
|
43
|
43
|
34
|
32
|
37
|
51
|
47
|
22
|
35
|
38
|
41
|
39
|
32
|
32
|
44
|
24
|
36
|
48
|
21
|
|
2024/09
|
38
|
45
|
46
|
36
|
31
|
16
|
16
|
23
|
21
|
39
|
53
|
61
|
30
|
37
|
28
|
28
|
31
|
26
|
38
|
24
|
28
|
10
|
12
|
16
|
22
|
33
|
27
|
19
|
26
|
18
|
|
|
2024/08
|
29
|
32
|
40
|
48
|
45
|
47
|
35
|
24
|
35
|
50
|
46
|
38
|
29
|
30
|
23
|
22
|
25
|
23
|
20
|
13
|
17
|
24
|
31
|
35
|
47
|
54
|
36
|
36
|
49
|
36
|
36
|
|
2024/07
|
17
|
19
|
17
|
19
|
16
|
16
|
13
|
20
|
14
|
23
|
29
|
32
|
28
|
26
|
24
|
20
|
19
|
17
|
18
|
24
|
25
|
34
|
40
|
31
|
14
|
7
|
14
|
21
|
23
|
20
|
11
|
|
2024/06
|
9
|
9
|
32
|
30
|
33
|
34
|
28
|
32
|
24
|
25
|
18
|
27
|
34
|
25
|
22
|
21
|
18
|
25
|
17
|
21
|
22
|
31
|
20
|
11
|
17
|
22
|
19
|
17
|
16
|
19
|
|
|
2024/05
|
32
|
25
|
32
|
45
|
24
|
39
|
54
|
55
|
51
|
46
|
51
|
36
|
34
|
35
|
47
|
58
|
53
|
56
|
48
|
25
|
19
|
14
|
24
|
22
|
30
|
19
|
17
|
26
|
32
|
52
|
34
|
|
2024/04
|
36
|
60
|
45
|
49
|
30
|
39
|
23
|
40
|
21
|
45
|
53
|
62
|
79
|
55
|
60
|
58
|
50
|
44
|
51
|
55
|
26
|
40
|
36
|
26
|
42
|
25
|
29
|
17
|
27
|
28
|
|
|
2024/03
|
16
|
31
|
48
|
55
|
74
|
47
|
37
|
68
|
71
|
72
|
47
|
36
|
78
|
76
|
69
|
84
|
71
|
49
|
60
|
63
|
65
|
75
|
78
|
40
|
42
|
49
|
51
|
60
|
61
|
64
|
41
|
|
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