Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
30
O3
0.3
CO
5
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
46
Excellent
Wed
29 Jul
56
Good
Thu
30 Jul
66
Good
Fri
31 Jul
63
Good
Sat
1 Aug
54
Good
Sun
2 Aug
45
Excellent
Mon
3 Aug
36
Excellent
Air quality in the last 12 months (Longwen)
|
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
|
|
|
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
|
|
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