Air Quality
Excellent
No health implications.
8
PM2.5
17
PM10
13
O3
0.6
CO
2
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jun
47
Excellent
Tue
10 Jun
52
Good
Wed
11 Jun
51
Good
Thu
12 Jun
58
Good
Fri
13 Jun
54
Good
Sat
14 Jun
43
Excellent
Sun
15 Jun
31
Excellent
Air quality in the last 12 months (Longwan)
|
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
|
|
2024/06
|
9
|
14
|
26
|
44
|
36
|
16
|
25
|
41
|
28
|
19
|
30
|
34
|
30
|
41
|
27
|
21
|
22
|
20
|
33
|
47
|
42
|
45
|
54
|
26
|
27
|
33
|
48
|
33
|
24
|
34
|
|
|
2024/05
|
19
|
24
|
43
|
42
|
62
|
48
|
50
|
50
|
24
|
32
|
50
|
39
|
36
|
37
|
54
|
32
|
35
|
37
|
35
|
32
|
26
|
33
|
44
|
30
|
18
|
31
|
25
|
17
|
26
|
36
|
35
|
|
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