Air Quality
Excellent
No health implications.
10
PM2.5
16
PM10
76
O3
0.6
CO
7
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Aug
48
Excellent
Fri
28 Aug
52
Good
Sat
29 Aug
49
Excellent
Sun
30 Aug
49
Excellent
Mon
31 Aug
48
Excellent
Tue
1 Sep
49
Excellent
Wed
2 Sep
25
Excellent
Air quality in the last 12 months (Longchuan)
|
2026/07
|
18
|
20
|
21
|
16
|
18
|
17
|
14
|
19
|
25
|
30
|
37
|
38
|
22
|
15
|
16
|
18
|
26
|
23
|
28
|
24
|
37
|
43
|
41
|
49
|
38
|
14
|
14
|
16
|
19
|
27
|
29
|
|
2026/06
|
44
|
44
|
36
|
32
|
31
|
28
|
30
|
22
|
18
|
21
|
23
|
36
|
31
|
20
|
15
|
15
|
14
|
16
|
18
|
21
|
26
|
27
|
31
|
35
|
26
|
20
|
21
|
22
|
20
|
18
|
|
|
2026/05
|
28
|
39
|
35
|
24
|
25
|
31
|
38
|
34
|
24
|
37
|
43
|
55
|
41
|
16
|
18
|
20
|
28
|
33
|
34
|
28
|
20
|
27
|
29
|
29
|
27
|
27
|
32
|
34
|
33
|
30
|
42
|
|
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
|
|
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