Air Quality
Excellent
No health implications.
13
PM2.5
32
PM10
76
O3
0.4
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Sep
49
Excellent
Thu
11 Sep
55
Good
Fri
12 Sep
73
Good
Sat
13 Sep
71
Good
Sun
14 Sep
60
Good
Mon
15 Sep
54
Good
Tue
16 Sep
18
Excellent
Air quality in the last 12 months (Longnan)
|
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
|
|
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
|
|
|
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