Air Quality
Excellent
No health implications.
6
PM2.5
17
PM10
18
O3
0.5
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
56
Good
Wed
1 Jul
56
Good
Thu
2 Jul
61
Good
Fri
3 Jul
55
Good
Sat
4 Jul
53
Good
Sun
5 Jul
20
Excellent
Mon
6 Jul
40
Excellent
Air quality in the last 12 months (Longchuan)
|
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
|
|
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
|
|
|
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