Air Quality
Excellent
No health implications.
5
PM2.5
13
PM10
48
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
53
Good
Fri
15 May
57
Good
Sat
16 May
57
Good
Sun
17 May
57
Good
Mon
18 May
55
Good
Tue
19 May
23
Excellent
Wed
20 May
41
Excellent
Air quality in the last 12 months (Longchuan)
|
2026/04
|
26
|
30
|
38
|
23
|
30
|
35
|
42
|
30
|
40
|
33
|
35
|
33
|
29
|
35
|
40
|
37
|
34
|
36
|
38
|
45
|
38
|
34
|
24
|
18
|
27
|
46
|
53
|
47
|
26
|
22
|
|
|
2026/03
|
19
|
33
|
17
|
21
|
22
|
26
|
37
|
50
|
41
|
25
|
41
|
46
|
46
|
49
|
48
|
45
|
45
|
45
|
41
|
41
|
38
|
45
|
50
|
41
|
48
|
42
|
48
|
41
|
39
|
45
|
33
|
|
2026/02
|
20
|
32
|
46
|
57
|
54
|
47
|
27
|
30
|
38
|
46
|
40
|
38
|
49
|
39
|
30
|
41
|
46
|
37
|
42
|
45
|
54
|
56
|
53
|
58
|
43
|
34
|
33
|
13
|
|||
|
2026/01
|
51
|
17
|
34
|
47
|
41
|
35
|
44
|
43
|
52
|
50
|
54
|
60
|
59
|
61
|
63
|
64
|
66
|
75
|
72
|
55
|
26
|
32
|
40
|
50
|
50
|
52
|
56
|
35
|
43
|
44
|
31
|
|
2025/12
|
47
|
48
|
58
|
62
|
60
|
58
|
59
|
55
|
58
|
53
|
55
|
53
|
42
|
33
|
44
|
46
|
52
|
57
|
55
|
47
|
61
|
69
|
54
|
52
|
21
|
34
|
42
|
46
|
46
|
49
|
53
|
|
2025/11
|
35
|
42
|
37
|
18
|
16
|
29
|
37
|
44
|
36
|
18
|
28
|
14
|
12
|
27
|
44
|
49
|
44
|
42
|
23
|
38
|
39
|
51
|
54
|
50
|
45
|
67
|
58
|
67
|
69
|
58
|
|
|
2025/10
|
40
|
27
|
34
|
33
|
23
|
23
|
31
|
39
|
39
|
37
|
33
|
33
|
25
|
27
|
28
|
30
|
35
|
36
|
32
|
17
|
10
|
11
|
29
|
33
|
34
|
37
|
53
|
53
|
30
|
34
|
34
|
|
2025/09
|
27
|
26
|
28
|
28
|
29
|
33
|
19
|
11
|
15
|
19
|
19
|
25
|
25
|
30
|
24
|
27
|
30
|
17
|
15
|
9
|
16
|
21
|
18
|
10
|
17
|
26
|
32
|
33
|
34
|
38
|
|
|
2025/08
|
23
|
23
|
17
|
14
|
12
|
21
|
23
|
29
|
32
|
20
|
16
|
22
|
29
|
12
|
18
|
24
|
24
|
18
|
14
|
19
|
25
|
23
|
26
|
19
|
24
|
18
|
20
|
25
|
24
|
24
|
28
|
|
2025/07
|
21
|
24
|
31
|
37
|
21
|
22
|
34
|
36
|
33
|
14
|
10
|
20
|
30
|
28
|
31
|
35
|
40
|
29
|
19
|
12
|
11
|
10
|
17
|
22
|
20
|
25
|
29
|
23
|
25
|
22
|
18
|
|
2025/06
|
30
|
27
|
14
|
27
|
35
|
38
|
38
|
35
|
30
|
26
|
22
|
26
|
16
|
17
|
17
|
18
|
14
|
22
|
20
|
15
|
15
|
18
|
22
|
21
|
22
|
17
|
20
|
21
|
19
|
18
|
|
|
2025/05
|
52
|
49
|
53
|
51
|
35
|
29
|
28
|
47
|
32
|
30
|
28
|
37
|
42
|
39
|
32
|
23
|
23
|
30
|
23
|
22
|
25
|
30
|
27
|
22
|
44
|
43
|
43
|
38
|
16
|
17
|
34
|
|
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