Air Quality
Excellent
No health implications.
12
PM2.5
21
PM10
67
O3
0.5
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jul
49
Excellent
Fri
11 Jul
45
Excellent
Sat
12 Jul
46
Excellent
Sun
13 Jul
49
Excellent
Mon
14 Jul
55
Good
Tue
15 Jul
28
Excellent
Wed
16 Jul
48
Excellent
Air quality in the last 12 months (Longchuan)
|
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
|
|
2025/04
|
19
|
36
|
50
|
58
|
38
|
51
|
58
|
64
|
70
|
52
|
49
|
56
|
145
|
100
|
92
|
86
|
65
|
59
|
38
|
41
|
39
|
39
|
37
|
31
|
16
|
19
|
37
|
38
|
43
|
57
|
|
|
2025/03
|
51
|
38
|
36
|
25
|
13
|
12
|
18
|
31
|
38
|
50
|
50
|
43
|
33
|
33
|
30
|
11
|
50
|
43
|
45
|
51
|
54
|
56
|
62
|
66
|
73
|
58
|
42
|
46
|
13
|
9
|
8
|
|
2025/02
|
55
|
35
|
13
|
27
|
47
|
45
|
20
|
53
|
41
|
43
|
50
|
56
|
47
|
46
|
52
|
62
|
45
|
48
|
36
|
44
|
26
|
25
|
16
|
27
|
46
|
60
|
66
|
56
|
|||
|
2025/01
|
72
|
69
|
63
|
53
|
62
|
69
|
66
|
67
|
62
|
51
|
47
|
47
|
57
|
56
|
62
|
72
|
57
|
55
|
59
|
58
|
59
|
61
|
59
|
49
|
38
|
21
|
25
|
57
|
123
|
61
|
50
|
|
2024/12
|
60
|
57
|
54
|
49
|
58
|
62
|
45
|
34
|
48
|
46
|
45
|
27
|
30
|
60
|
52
|
53
|
57
|
54
|
54
|
58
|
51
|
59
|
74
|
57
|
66
|
66
|
71
|
78
|
71
|
69
|
66
|
|
2024/11
|
22
|
20
|
39
|
45
|
43
|
46
|
37
|
36
|
47
|
52
|
49
|
37
|
33
|
30
|
37
|
22
|
26
|
19
|
19
|
17
|
19
|
26
|
31
|
41
|
29
|
15
|
28
|
31
|
39
|
54
|
|
|
2024/10
|
23
|
18
|
28
|
29
|
29
|
34
|
32
|
31
|
32
|
35
|
46
|
51
|
52
|
47
|
46
|
36
|
36
|
42
|
43
|
28
|
28
|
32
|
25
|
32
|
37
|
42
|
45
|
16
|
25
|
37
|
31
|
|
2024/09
|
28
|
36
|
36
|
25
|
24
|
14
|
15
|
17
|
18
|
25
|
39
|
44
|
30
|
30
|
21
|
25
|
23
|
21
|
31
|
23
|
16
|
13
|
12
|
17
|
23
|
28
|
28
|
23
|
26
|
20
|
|
|
2024/08
|
23
|
29
|
31
|
38
|
28
|
37
|
35
|
36
|
39
|
40
|
34
|
32
|
17
|
19
|
19
|
20
|
24
|
15
|
16
|
16
|
14
|
20
|
23
|
26
|
30
|
36
|
38
|
33
|
32
|
29
|
26
|
|
2024/07
|
22
|
20
|
18
|
21
|
21
|
18
|
15
|
20
|
22
|
23
|
20
|
20
|
19
|
24
|
18
|
17
|
16
|
18
|
18
|
22
|
22
|
23
|
29
|
30
|
24
|
14
|
12
|
13
|
16
|
19
|
13
|
|
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