Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
33
O3
0.5
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 May
49
Excellent
Sat
16 May
49
Excellent
Sun
17 May
58
Good
Mon
18 May
55
Good
Tue
19 May
58
Good
Wed
20 May
41
Excellent
Thu
21 May
22
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