Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
49
*
PM2.5
64
PM10
26
O3
0.7
CO
8
SO2
24
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Mar
94
Good
Thu
20 Mar
90
Good
Fri
21 Mar
87
Good
Sat
22 Mar
78
Good
Sun
23 Mar
75
Good
Mon
24 Mar
75
Good
Tue
25 Mar
24
Excellent
Air quality in the last 12 months (Longchuan)
|
2025/02
|
81
|
81
|
69
|
67
|
73
|
78
|
69
|
58
|
60
|
59
|
49
|
56
|
56
|
70
|
68
|
76
|
60
|
59
|
67
|
72
|
70
|
72
|
62
|
62
|
57
|
52
|
49
|
57
|
|||
|
2025/01
|
56
|
50
|
48
|
51
|
55
|
53
|
52
|
50
|
45
|
48
|
52
|
53
|
53
|
51
|
53
|
50
|
53
|
50
|
50
|
47
|
50
|
53
|
58
|
49
|
52
|
71
|
54
|
54
|
121
|
74
|
63
|
|
2024/12
|
40
|
38
|
38
|
35
|
36
|
39
|
48
|
49
|
49
|
42
|
54
|
58
|
44
|
44
|
37
|
35
|
39
|
39
|
40
|
38
|
47
|
69
|
40
|
39
|
46
|
51
|
54
|
56
|
48
|
47
|
48
|
|
2024/11
|
41
|
47
|
40
|
36
|
31
|
24
|
25
|
24
|
26
|
29
|
28
|
26
|
27
|
25
|
28
|
31
|
36
|
34
|
34
|
35
|
31
|
32
|
37
|
40
|
37
|
34
|
38
|
37
|
42
|
34
|
|
|
2024/10
|
19
|
15
|
26
|
19
|
18
|
21
|
21
|
23
|
26
|
26
|
27
|
28
|
33
|
38
|
44
|
34
|
26
|
34
|
41
|
40
|
28
|
31
|
32
|
32
|
27
|
29
|
37
|
36
|
28
|
30
|
37
|
|
2024/09
|
19
|
27
|
21
|
28
|
22
|
24
|
33
|
30
|
29
|
29
|
19
|
23
|
25
|
21
|
30
|
29
|
34
|
32
|
34
|
42
|
40
|
32
|
31
|
31
|
36
|
27
|
22
|
21
|
25
|
18
|
|
|
2024/08
|
13
|
12
|
14
|
18
|
14
|
13
|
16
|
19
|
16
|
19
|
18
|
21
|
27
|
30
|
31
|
23
|
24
|
18
|
15
|
16
|
19
|
15
|
20
|
18
|
19
|
19
|
22
|
20
|
26
|
25
|
16
|
|
2024/07
|
15
|
14
|
15
|
11
|
18
|
21
|
19
|
21
|
18
|
18
|
10
|
15
|
26
|
22
|
22
|
25
|
27
|
18
|
16
|
14
|
13
|
12
|
15
|
19
|
18
|
18
|
15
|
17
|
15
|
15
|
20
|
|
2024/06
|
49
|
36
|
36
|
41
|
40
|
35
|
32
|
31
|
37
|
46
|
47
|
29
|
13
|
16
|
23
|
38
|
33
|
30
|
35
|
40
|
31
|
27
|
22
|
22
|
17
|
27
|
16
|
18
|
20
|
20
|
|
|
2024/05
|
78
|
57
|
46
|
61
|
72
|
34
|
53
|
54
|
56
|
45
|
34
|
44
|
44
|
49
|
49
|
49
|
43
|
48
|
57
|
58
|
38
|
41
|
39
|
33
|
30
|
22
|
19
|
24
|
39
|
41
|
49
|
|
2024/04
|
60
|
71
|
75
|
69
|
66
|
78
|
74
|
78
|
71
|
72
|
74
|
78
|
83
|
71
|
76
|
103
|
121
|
62
|
69
|
58
|
50
|
63
|
68
|
67
|
60
|
68
|
73
|
68
|
67
|
93
|
|
|
2024/03
|
49
|
51
|
55
|
56
|
53
|
56
|
55
|
57
|
54
|
65
|
76
|
80
|
79
|
75
|
77
|
85
|
89
|
72
|
66
|
87
|
82
|
33
|
40
|
55
|
49
|
58
|
59
|
61
|
67
|
79
|
74
|
|
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