Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
60
O3
0.4
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
47
Excellent
Sat
16 May
46
Excellent
Sun
17 May
47
Excellent
Mon
18 May
52
Good
Tue
19 May
57
Good
Wed
20 May
57
Good
Thu
21 May
24
Excellent
Air quality in the last 12 months (Longnan)
|
2026/04
|
30
|
34
|
32
|
27
|
38
|
40
|
41
|
42
|
43
|
40
|
41
|
36
|
34
|
42
|
49
|
43
|
44
|
41
|
44
|
48
|
42
|
32
|
29
|
21
|
30
|
56
|
60
|
55
|
29
|
25
|
|
|
2026/03
|
17
|
31
|
22
|
31
|
34
|
38
|
47
|
48
|
37
|
37
|
51
|
55
|
48
|
52
|
51
|
52
|
52
|
45
|
40
|
44
|
42
|
48
|
50
|
39
|
45
|
37
|
46
|
37
|
45
|
60
|
33
|
|
2026/02
|
24
|
42
|
51
|
60
|
58
|
59
|
30
|
39
|
41
|
51
|
44
|
49
|
53
|
43
|
35
|
42
|
57
|
46
|
42
|
42
|
50
|
59
|
54
|
59
|
36
|
32
|
28
|
14
|
|||
|
2026/01
|
35
|
17
|
36
|
51
|
42
|
35
|
42
|
51
|
56
|
56
|
60
|
65
|
62
|
66
|
74
|
78
|
71
|
84
|
79
|
38
|
32
|
41
|
40
|
50
|
54
|
65
|
49
|
39
|
49
|
55
|
28
|
|
2025/12
|
53
|
60
|
57
|
54
|
58
|
56
|
57
|
57
|
62
|
61
|
60
|
61
|
33
|
35
|
55
|
54
|
55
|
65
|
65
|
52
|
75
|
50
|
50
|
50
|
23
|
36
|
42
|
49
|
50
|
51
|
58
|
|
2025/11
|
33
|
47
|
37
|
14
|
17
|
30
|
44
|
46
|
43
|
20
|
35
|
18
|
19
|
33
|
46
|
53
|
53
|
41
|
24
|
39
|
42
|
55
|
55
|
56
|
47
|
71
|
63
|
74
|
79
|
62
|
|
|
2025/10
|
46
|
29
|
37
|
39
|
30
|
24
|
36
|
38
|
40
|
38
|
38
|
42
|
31
|
32
|
31
|
34
|
41
|
40
|
26
|
17
|
14
|
15
|
26
|
31
|
36
|
49
|
53
|
50
|
31
|
45
|
40
|
|
2025/09
|
35
|
27
|
29
|
35
|
34
|
32
|
19
|
13
|
14
|
20
|
20
|
31
|
30
|
36
|
34
|
29
|
30
|
21
|
21
|
12
|
21
|
21
|
21
|
14
|
20
|
24
|
33
|
36
|
39
|
49
|
|
|
2025/08
|
26
|
27
|
20
|
17
|
15
|
21
|
30
|
32
|
28
|
25
|
20
|
29
|
27
|
11
|
19
|
25
|
31
|
22
|
20
|
19
|
25
|
20
|
27
|
23
|
25
|
17
|
23
|
26
|
26
|
28
|
35
|
|
2025/07
|
27
|
25
|
34
|
38
|
20
|
25
|
33
|
38
|
35
|
15
|
12
|
21
|
34
|
26
|
28
|
35
|
39
|
29
|
18
|
16
|
12
|
13
|
19
|
21
|
23
|
24
|
22
|
20
|
22
|
19
|
19
|
|
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
|
|
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