Air Quality
Excellent
No health implications.
13
PM2.5
24
PM10
48
O3
0.6
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Aug
55
Good
Wed
13 Aug
52
Good
Thu
14 Aug
57
Good
Fri
15 Aug
52
Good
Sat
16 Aug
57
Good
Sun
17 Aug
48
Excellent
Mon
18 Aug
28
Excellent
Air quality in the last 12 months (Longnan)
|
2025/06
|
32
|
23
|
14
|
27
|
38
|
37
|
33
|
40
|
27
|
32
|
32
|
26
|
23
|
17
|
16
|
23
|
18
|
24
|
22
|
14
|
18
|
20
|
23
|
25
|
24
|
19
|
20
|
20
|
22
|
23
|
|
|
2025/05
|
61
|
53
|
49
|
47
|
30
|
33
|
38
|
56
|
34
|
32
|
31
|
43
|
46
|
43
|
34
|
23
|
20
|
24
|
25
|
26
|
27
|
32
|
32
|
27
|
49
|
49
|
45
|
41
|
11
|
25
|
41
|
|
2025/04
|
26
|
44
|
53
|
63
|
52
|
56
|
61
|
68
|
89
|
63
|
51
|
65
|
151
|
103
|
91
|
79
|
67
|
61
|
42
|
39
|
44
|
37
|
30
|
34
|
25
|
23
|
37
|
43
|
50
|
61
|
|
|
2025/03
|
56
|
39
|
34
|
22
|
14
|
15
|
28
|
34
|
43
|
51
|
59
|
50
|
36
|
35
|
32
|
14
|
50
|
47
|
47
|
54
|
54
|
56
|
65
|
75
|
84
|
61
|
46
|
62
|
23
|
10
|
14
|
|
2025/02
|
48
|
24
|
18
|
34
|
54
|
58
|
22
|
51
|
41
|
40
|
47
|
56
|
53
|
53
|
59
|
61
|
46
|
54
|
39
|
37
|
23
|
21
|
22
|
34
|
52
|
70
|
76
|
60
|
|||
|
2025/01
|
73
|
71
|
70
|
58
|
70
|
73
|
68
|
70
|
65
|
57
|
49
|
51
|
62
|
60
|
70
|
78
|
62
|
58
|
58
|
60
|
65
|
71
|
69
|
52
|
47
|
23
|
25
|
46
|
124
|
56
|
50
|
|
2024/12
|
64
|
66
|
52
|
50
|
58
|
49
|
45
|
40
|
50
|
51
|
43
|
30
|
34
|
47
|
54
|
53
|
59
|
60
|
59
|
50
|
52
|
67
|
72
|
52
|
60
|
64
|
72
|
75
|
68
|
67
|
72
|
|
2024/11
|
22
|
27
|
41
|
50
|
50
|
46
|
34
|
37
|
49
|
50
|
45
|
36
|
33
|
40
|
40
|
24
|
31
|
19
|
19
|
19
|
23
|
28
|
33
|
39
|
35
|
18
|
29
|
31
|
39
|
55
|
|
|
2024/10
|
22
|
17
|
25
|
26
|
25
|
32
|
34
|
27
|
29
|
40
|
49
|
49
|
45
|
49
|
51
|
39
|
42
|
48
|
41
|
23
|
32
|
38
|
35
|
37
|
35
|
35
|
40
|
17
|
34
|
46
|
28
|
|
2024/09
|
36
|
42
|
46
|
32
|
29
|
18
|
16
|
20
|
19
|
31
|
44
|
51
|
34
|
41
|
27
|
26
|
29
|
22
|
37
|
22
|
23
|
17
|
19
|
22
|
20
|
29
|
27
|
24
|
28
|
20
|
|
|
2024/08
|
25
|
28
|
34
|
44
|
38
|
38
|
32
|
33
|
35
|
47
|
40
|
32
|
24
|
27
|
22
|
20
|
23
|
19
|
18
|
17
|
16
|
23
|
28
|
27
|
39
|
43
|
35
|
33
|
37
|
33
|
35
|
|
2024/07
|
19
|
19
|
21
|
20
|
20
|
17
|
13
|
17
|
16
|
20
|
21
|
25
|
23
|
25
|
20
|
19
|
17
|
17
|
17
|
23
|
22
|
28
|
35
|
31
|
21
|
11
|
13
|
18
|
19
|
20
|
13
|
|
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