Air Quality
Excellent
No health implications.
6
PM2.5
11
PM10
20
O3
0.7
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Jul
37
Excellent
Fri
5 Jul
35
Excellent
Sat
6 Jul
39
Excellent
Sun
7 Jul
39
Excellent
Mon
8 Jul
39
Excellent
Tue
9 Jul
39
Excellent
Air quality in the last 12 months (Longchuan)
|
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
|
|
2024/02
|
71
|
91
|
83
|
59
|
63
|
58
|
67
|
64
|
72
|
134
|
69
|
61
|
51
|
50
|
53
|
54
|
50
|
50
|
53
|
54
|
59
|
64
|
71
|
62
|
56
|
60
|
59
|
58
|
51
|
||
|
2024/01
|
48
|
46
|
46
|
40
|
48
|
50
|
56
|
56
|
55
|
57
|
60
|
63
|
59
|
56
|
49
|
49
|
48
|
43
|
57
|
67
|
64
|
58
|
62
|
64
|
55
|
51
|
55
|
53
|
53
|
51
|
50
|
|
2023/12
|
43
|
46
|
42
|
36
|
43
|
42
|
46
|
39
|
34
|
32
|
38
|
43
|
41
|
36
|
37
|
42
|
44
|
42
|
45
|
40
|
35
|
50
|
47
|
40
|
35
|
30
|
45
|
47
|
44
|
37
|
41
|
|
2023/11
|
34
|
28
|
28
|
33
|
36
|
39
|
42
|
38
|
40
|
38
|
39
|
37
|
41
|
36
|
31
|
37
|
20
|
17
|
21
|
28
|
29
|
29
|
32
|
37
|
31
|
31
|
37
|
40
|
41
|
42
|
|
|
2023/10
|
18
|
17
|
20
|
27
|
25
|
29
|
25
|
28
|
28
|
21
|
26
|
18
|
20
|
25
|
30
|
30
|
32
|
32
|
31
|
33
|
39
|
44
|
37
|
30
|
24
|
24
|
29
|
31
|
29
|
35
|
34
|
|
2023/09
|
25
|
27
|
35
|
42
|
43
|
35
|
28
|
26
|
31
|
29
|
25
|
23
|
22
|
33
|
32
|
42
|
35
|
28
|
23
|
19
|
22
|
24
|
29
|
29
|
27
|
25
|
28
|
33
|
25
|
23
|
|
|
2023/08
|
19
|
17
|
18
|
25
|
19
|
23
|
20
|
15
|
15
|
16
|
21
|
23
|
26
|
30
|
27
|
27
|
21
|
22
|
20
|
29
|
20
|
17
|
19
|
22
|
15
|
19
|
20
|
17
|
20
|
18
|
23
|
|
2023/07
|
26
|
29
|
24
|
24
|
21
|
22
|
20
|
28
|
24
|
18
|
21
|
17
|
19
|
20
|
21
|
32
|
36
|
40
|
40
|
29
|
25
|
20
|
31
|
23
|
25
|
25
|
22
|
24
|
24
|
28
|
24
|
|
2023/06
|
42
|
34
|
28
|
39
|
40
|
41
|
25
|
25
|
21
|
24
|
26
|
34
|
32
|
23
|
37
|
49
|
35
|
36
|
36
|
30
|
32
|
30
|
18
|
20
|
27
|
28
|
27
|
21
|
24
|
27
|
|
|
2023/05
|
58
|
44
|
36
|
37
|
41
|
48
|
47
|
59
|
69
|
60
|
61
|
66
|
45
|
32
|
24
|
28
|
42
|
52
|
52
|
57
|
54
|
55
|
58
|
50
|
41
|
41
|
40
|
43
|
44
|
44
|
43
|
|
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