Air Quality
Excellent
No health implications.
16
PM2.5
32
PM10
72
O3
0.8
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
53
Good
Sat
2 May
55
Good
Sun
3 May
55
Good
Mon
4 May
59
Good
Tue
5 May
59
Good
Wed
6 May
59
Good
Thu
7 May
15
Excellent
Air quality in the last 12 months (Longchuan)
|
2026/03
|
88
|
81
|
72
|
87
|
97
|
113
|
106
|
107
|
81
|
65
|
72
|
82
|
71
|
35
|
45
|
40
|
40
|
38
|
47
|
48
|
55
|
48
|
32
|
40
|
55
|
52
|
77
|
92
|
52
|
51
|
65
|
|
2026/02
|
52
|
56
|
56
|
61
|
56
|
47
|
45
|
54
|
65
|
52
|
45
|
48
|
44
|
51
|
68
|
84
|
124
|
74
|
57
|
46
|
46
|
51
|
55
|
54
|
83
|
71
|
63
|
79
|
|||
|
2026/01
|
59
|
57
|
48
|
48
|
52
|
54
|
53
|
61
|
59
|
57
|
55
|
55
|
51
|
50
|
48
|
53
|
47
|
60
|
60
|
52
|
50
|
48
|
55
|
52
|
58
|
57
|
50
|
55
|
53
|
54
|
51
|
|
2025/12
|
52
|
51
|
50
|
51
|
48
|
48
|
44
|
46
|
47
|
49
|
48
|
48
|
49
|
47
|
45
|
43
|
46
|
42
|
45
|
46
|
50
|
53
|
51
|
46
|
45
|
47
|
47
|
49
|
49
|
44
|
53
|
|
2025/11
|
32
|
23
|
16
|
16
|
22
|
17
|
22
|
30
|
31
|
25
|
24
|
27
|
29
|
28
|
32
|
32
|
34
|
35
|
30
|
27
|
30
|
29
|
30
|
32
|
37
|
37
|
41
|
42
|
50
|
49
|
|
|
2025/10
|
15
|
14
|
20
|
20
|
19
|
19
|
21
|
20
|
25
|
24
|
23
|
23
|
23
|
28
|
31
|
27
|
21
|
21
|
19
|
22
|
28
|
27
|
25
|
28
|
26
|
25
|
28
|
31
|
34
|
29
|
34
|
|
2025/09
|
25
|
27
|
26
|
23
|
25
|
21
|
25
|
28
|
29
|
29
|
27
|
20
|
17
|
14
|
14
|
14
|
18
|
27
|
28
|
28
|
23
|
27
|
26
|
24
|
26
|
33
|
30
|
30
|
29
|
18
|
|
|
2025/08
|
19
|
23
|
22
|
22
|
21
|
23
|
17
|
18
|
18
|
23
|
28
|
30
|
28
|
25
|
26
|
24
|
28
|
21
|
24
|
20
|
18
|
18
|
21
|
16
|
20
|
28
|
28
|
28
|
16
|
25
|
26
|
|
2025/07
|
15
|
18
|
22
|
16
|
13
|
16
|
15
|
17
|
18
|
21
|
18
|
20
|
25
|
16
|
14
|
14
|
16
|
16
|
15
|
22
|
15
|
22
|
26
|
23
|
13
|
16
|
13
|
21
|
20
|
16
|
19
|
|
2025/06
|
17
|
15
|
36
|
48
|
48
|
39
|
32
|
27
|
31
|
18
|
30
|
38
|
38
|
30
|
19
|
18
|
12
|
14
|
18
|
25
|
21
|
19
|
16
|
18
|
20
|
19
|
18
|
13
|
15
|
22
|
|
|
2025/05
|
38
|
19
|
24
|
27
|
32
|
38
|
45
|
42
|
51
|
56
|
64
|
48
|
36
|
43
|
35
|
37
|
37
|
33
|
38
|
34
|
36
|
35
|
38
|
36
|
15
|
19
|
34
|
20
|
15
|
16
|
16
|
|
2025/04
|
124
|
103
|
84
|
115
|
110
|
100
|
85
|
106
|
99
|
87
|
75
|
51
|
34
|
36
|
44
|
42
|
27
|
33
|
42
|
42
|
43
|
48
|
57
|
73
|
77
|
91
|
90
|
78
|
46
|
44
|
|
|
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