Air Quality
Excellent
No health implications.
10
PM2.5
17
PM10
54
O3
0.6
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
33
Excellent
Sat
10 May
53
Good
Sun
11 May
73
Good
Mon
12 May
88
Good
Tue
13 May
79
Good
Wed
14 May
62
Good
Thu
15 May
37
Excellent
Air quality in the last 12 months (Longnan)
|
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
|
|
2024/06
|
12
|
11
|
35
|
24
|
23
|
28
|
29
|
32
|
23
|
26
|
21
|
26
|
32
|
21
|
19
|
17
|
17
|
25
|
20
|
23
|
23
|
31
|
22
|
17
|
20
|
24
|
23
|
20
|
16
|
19
|
|
|
2024/05
|
26
|
24
|
33
|
40
|
24
|
35
|
53
|
49
|
50
|
50
|
47
|
33
|
45
|
39
|
48
|
57
|
57
|
55
|
45
|
20
|
13
|
13
|
24
|
21
|
29
|
17
|
16
|
25
|
34
|
46
|
33
|
|
2024/04
|
38
|
59
|
47
|
40
|
23
|
27
|
17
|
31
|
27
|
43
|
53
|
60
|
69
|
49
|
58
|
54
|
42
|
37
|
37
|
46
|
23
|
35
|
34
|
28
|
32
|
25
|
32
|
18
|
25
|
26
|
|
|
2024/03
|
14
|
30
|
47
|
47
|
62
|
40
|
39
|
59
|
60
|
55
|
35
|
37
|
70
|
66
|
54
|
69
|
60
|
42
|
48
|
61
|
67
|
68
|
66
|
47
|
43
|
42
|
46
|
51
|
54
|
60
|
40
|
|
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