Air Quality
Excellent
No health implications.
10
PM2.5
27
PM10
64
O3
0.6
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
53
Good
Sat
19 Jul
38
Excellent
Sun
20 Jul
42
Excellent
Mon
21 Jul
40
Excellent
Tue
22 Jul
37
Excellent
Wed
23 Jul
41
Excellent
Thu
24 Jul
37
Excellent
Longwan Air quality rank
Air quality in the last 12 months (Longwan)
|
2025/06
|
37
|
50
|
21
|
32
|
36
|
39
|
39
|
36
|
32
|
18
|
7
|
29
|
22
|
33
|
29
|
20
|
43
|
34
|
25
|
22
|
34
|
37
|
21
|
34
|
31
|
30
|
28
|
24
|
20
|
15
|
|
|
2025/05
|
38
|
45
|
59
|
30
|
36
|
48
|
57
|
54
|
51
|
29
|
31
|
40
|
31
|
34
|
31
|
38
|
48
|
18
|
36
|
40
|
27
|
26
|
39
|
25
|
58
|
44
|
23
|
37
|
20
|
46
|
46
|
|
2025/04
|
32
|
52
|
57
|
50
|
45
|
56
|
57
|
58
|
62
|
54
|
48
|
56
|
85
|
91
|
68
|
57
|
80
|
62
|
49
|
45
|
49
|
41
|
26
|
41
|
27
|
45
|
50
|
44
|
44
|
41
|
|
|
2025/03
|
52
|
54
|
52
|
31
|
21
|
19
|
40
|
54
|
53
|
44
|
56
|
47
|
32
|
35
|
22
|
29
|
44
|
47
|
47
|
58
|
50
|
53
|
58
|
74
|
76
|
57
|
58
|
28
|
44
|
28
|
26
|
|
2025/02
|
30
|
12
|
42
|
72
|
49
|
53
|
47
|
35
|
35
|
43
|
41
|
41
|
74
|
41
|
48
|
71
|
71
|
27
|
48
|
28
|
19
|
38
|
27
|
90
|
98
|
78
|
75
|
50
|
|||
|
2025/01
|
76
|
47
|
50
|
47
|
48
|
69
|
75
|
69
|
62
|
40
|
46
|
56
|
61
|
62
|
82
|
46
|
61
|
60
|
55
|
72
|
101
|
74
|
46
|
27
|
33
|
30
|
30
|
45
|
76
|
43
|
44
|
|
2024/12
|
57
|
57
|
54
|
51
|
48
|
32
|
30
|
58
|
35
|
47
|
24
|
31
|
17
|
96
|
85
|
55
|
56
|
57
|
35
|
35
|
55
|
58
|
40
|
36
|
41
|
85
|
124
|
59
|
56
|
57
|
70
|
|
2024/11
|
11
|
17
|
43
|
49
|
45
|
25
|
29
|
35
|
40
|
31
|
25
|
37
|
34
|
38
|
16
|
19
|
18
|
14
|
15
|
25
|
37
|
30
|
38
|
30
|
36
|
15
|
39
|
41
|
47
|
47
|
|
|
2024/10
|
16
|
10
|
18
|
17
|
23
|
18
|
13
|
18
|
43
|
48
|
52
|
43
|
32
|
45
|
33
|
31
|
39
|
38
|
32
|
14
|
37
|
43
|
29
|
31
|
25
|
20
|
20
|
19
|
49
|
29
|
23
|
|
2024/09
|
37
|
30
|
23
|
23
|
25
|
17
|
18
|
15
|
29
|
34
|
31
|
31
|
18
|
20
|
23
|
21
|
20
|
24
|
17
|
22
|
28
|
13
|
18
|
18
|
15
|
22
|
26
|
37
|
31
|
23
|
|
|
2024/08
|
32
|
49
|
47
|
45
|
30
|
27
|
37
|
35
|
39
|
41
|
51
|
45
|
38
|
32
|
23
|
24
|
20
|
19
|
15
|
20
|
20
|
28
|
41
|
38
|
28
|
23
|
43
|
29
|
33
|
26
|
30
|
|
2024/07
|
35
|
28
|
30
|
26
|
35
|
27
|
34
|
28
|
32
|
43
|
48
|
45
|
37
|
35
|
19
|
20
|
23
|
34
|
31
|
19
|
18
|
16
|
19
|
20
|
22
|
23
|
17
|
22
|
21
|
15
|
19
|
|
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