Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
41
O3
0.3
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
26
Excellent
Sun
28 Jul
26
Excellent
Mon
29 Jul
27
Excellent
Tue
30 Jul
31
Excellent
Wed
31 Jul
34
Excellent
Thu
1 Aug
32
Excellent
Fri
2 Aug
32
Excellent
Air quality in the last 12 months (Longwen)
|
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
|
|
2024/02
|
60
|
40
|
41
|
24
|
28
|
23
|
18
|
18
|
49
|
71
|
52
|
48
|
57
|
53
|
50
|
38
|
44
|
79
|
48
|
36
|
23
|
39
|
27
|
38
|
52
|
45
|
37
|
55
|
52
|
||
|
2024/01
|
79
|
84
|
47
|
51
|
73
|
82
|
79
|
114
|
80
|
51
|
88
|
104
|
87
|
54
|
83
|
84
|
59
|
60
|
75
|
43
|
36
|
30
|
19
|
34
|
60
|
77
|
92
|
91
|
75
|
53
|
83
|
|
2023/12
|
55
|
49
|
54
|
48
|
54
|
55
|
45
|
58
|
69
|
79
|
59
|
51
|
35
|
52
|
53
|
27
|
25
|
38
|
54
|
17
|
27
|
53
|
47
|
40
|
60
|
69
|
68
|
65
|
60
|
78
|
89
|
|
2023/11
|
45
|
42
|
52
|
71
|
64
|
51
|
46
|
55
|
59
|
57
|
21
|
23
|
33
|
49
|
40
|
39
|
53
|
63
|
68
|
66
|
61
|
49
|
51
|
73
|
52
|
46
|
56
|
70
|
62
|
61
|
|
|
2023/10
|
38
|
39
|
47
|
42
|
28
|
25
|
21
|
22
|
25
|
30
|
30
|
38
|
39
|
34
|
52
|
58
|
65
|
66
|
79
|
50
|
30
|
32
|
36
|
41
|
55
|
44
|
38
|
30
|
45
|
49
|
51
|
|
2023/09
|
15
|
25
|
25
|
12
|
11
|
14
|
19
|
26
|
31
|
37
|
30
|
34
|
38
|
32
|
22
|
53
|
49
|
54
|
37
|
36
|
42
|
38
|
24
|
31
|
36
|
33
|
38
|
36
|
29
|
37
|
|
|
2023/08
|
29
|
27
|
32
|
32
|
32
|
32
|
39
|
37
|
30
|
29
|
26
|
21
|
24
|
26
|
26
|
31
|
25
|
29
|
28
|
19
|
28
|
25
|
24
|
28
|
37
|
31
|
29
|
25
|
43
|
20
|
14
|
|
2023/07
|
12
|
12
|
14
|
15
|
18
|
23
|
24
|
28
|
42
|
36
|
27
|
24
|
25
|
43
|
49
|
27
|
22
|
14
|
16
|
25
|
23
|
23
|
22
|
27
|
32
|
19
|
13
|
11
|
16
|
18
|
27
|
|
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