Air Quality
Excellent
No health implications.
30
PM2.5
32
PM10
42
O3
0.6
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Feb
52
Good
Sat
28 Feb
48
Excellent
Sun
1 Mar
46
Excellent
Mon
2 Mar
50
Excellent
Tue
3 Mar
44
Excellent
Wed
4 Mar
55
Good
Thu
5 Mar
21
Excellent
Air quality in the last 12 months (Longwen)
|
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
|
|
2025/07
|
34
|
29
|
34
|
39
|
16
|
26
|
35
|
38
|
41
|
17
|
12
|
24
|
39
|
29
|
30
|
37
|
43
|
32
|
27
|
21
|
13
|
19
|
20
|
28
|
29
|
25
|
27
|
23
|
23
|
22
|
16
|
|
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
|
|||
|
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