Air Quality
Excellent
No health implications.
27
PM2.5
43
PM10
37
O3
0.5
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
64
Good
Thu
17 Jul
63
Good
Fri
18 Jul
68
Good
Sat
19 Jul
65
Good
Sun
20 Jul
63
Good
Mon
21 Jul
39
Excellent
Tue
22 Jul
35
Excellent
Longwen Air quality rank
Air quality in the last 12 months (Longwen)
|
2025/06
|
47
|
27
|
17
|
30
|
40
|
39
|
36
|
46
|
26
|
29
|
38
|
34
|
24
|
20
|
18
|
25
|
26
|
32
|
21
|
17
|
15
|
20
|
24
|
29
|
23
|
16
|
18
|
18
|
20
|
26
|
|
|
2025/05
|
70
|
56
|
54
|
59
|
42
|
39
|
42
|
74
|
50
|
28
|
31
|
47
|
53
|
47
|
38
|
18
|
19
|
31
|
31
|
33
|
28
|
37
|
32
|
24
|
51
|
53
|
44
|
50
|
13
|
26
|
51
|
|
2025/04
|
23
|
45
|
55
|
65
|
51
|
58
|
62
|
69
|
89
|
46
|
50
|
49
|
148
|
94
|
99
|
79
|
65
|
62
|
55
|
59
|
60
|
41
|
38
|
38
|
25
|
18
|
40
|
46
|
44
|
48
|
|
|
2025/03
|
75
|
35
|
40
|
41
|
15
|
15
|
24
|
36
|
43
|
47
|
62
|
58
|
37
|
43
|
43
|
8
|
49
|
53
|
50
|
52
|
62
|
61
|
70
|
80
|
90
|
64
|
56
|
63
|
26
|
14
|
12
|
|
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
|
|
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