Air Quality
Excellent
No health implications.
30
PM2.5
38
PM10
73
O3
0.4
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Mar
63
Good
Sun
29 Mar
65
Good
Mon
30 Mar
60
Good
Tue
31 Mar
56
Good
Wed
1 Apr
59
Good
Thu
2 Apr
58
Good
Fri
3 Apr
47
Excellent
Air quality in the last 12 months (Longwen)
|
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
|
|
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
|
|
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