Air Quality
Excellent
No health implications.
28
PM2.5
46
PM10
47
O3
0.4
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Dec
47
Excellent
Tue
16 Dec
64
Good
Wed
17 Dec
87
Good
Thu
18 Dec
98
Good
Fri
19 Dec
108
Light
Sat
20 Dec
106
Light
Sun
21 Dec
41
Excellent
Air quality in the last 12 months (Longshan)
|
2025/11
|
33
|
31
|
28
|
29
|
30
|
19
|
15
|
14
|
16
|
38
|
44
|
38
|
33
|
42
|
47
|
49
|
43
|
19
|
24
|
30
|
36
|
46
|
56
|
39
|
51
|
50
|
54
|
66
|
75
|
79
|
|
|
2025/10
|
21
|
24
|
25
|
23
|
27
|
29
|
29
|
33
|
33
|
31
|
39
|
44
|
20
|
10
|
15
|
9
|
11
|
10
|
8
|
11
|
12
|
18
|
23
|
30
|
43
|
33
|
27
|
31
|
39
|
35
|
28
|
|
2025/09
|
23
|
23
|
24
|
22
|
26
|
31
|
25
|
27
|
17
|
14
|
15
|
23
|
14
|
12
|
18
|
22
|
24
|
17
|
15
|
13
|
24
|
25
|
19
|
14
|
19
|
16
|
19
|
22
|
28
|
26
|
|
|
2025/08
|
24
|
26
|
25
|
25
|
27
|
24
|
19
|
14
|
20
|
21
|
11
|
8
|
10
|
17
|
13
|
15
|
17
|
23
|
21
|
13
|
14
|
16
|
18
|
19
|
16
|
18
|
22
|
23
|
25
|
26
|
23
|
|
2025/07
|
15
|
17
|
14
|
14
|
14
|
17
|
24
|
24
|
24
|
22
|
25
|
29
|
27
|
21
|
21
|
20
|
20
|
20
|
22
|
24
|
17
|
15
|
10
|
11
|
12
|
17
|
20
|
17
|
18
|
19
|
21
|
|
2025/06
|
11
|
19
|
26
|
31
|
31
|
38
|
28
|
21
|
21
|
26
|
34
|
33
|
31
|
26
|
29
|
31
|
23
|
17
|
10
|
11
|
11
|
16
|
16
|
24
|
15
|
14
|
18
|
17
|
15
|
18
|
|
|
2025/05
|
45
|
61
|
54
|
49
|
35
|
45
|
57
|
25
|
25
|
30
|
40
|
37
|
40
|
51
|
38
|
40
|
40
|
41
|
43
|
41
|
41
|
20
|
38
|
52
|
46
|
38
|
39
|
28
|
35
|
34
|
22
|
|
2025/04
|
46
|
52
|
53
|
55
|
59
|
58
|
52
|
54
|
52
|
43
|
44
|
68
|
152
|
98
|
68
|
64
|
59
|
60
|
37
|
36
|
31
|
37
|
47
|
40
|
49
|
45
|
37
|
37
|
34
|
25
|
|
|
2025/03
|
58
|
68
|
19
|
24
|
30
|
30
|
39
|
46
|
47
|
52
|
59
|
60
|
55
|
42
|
25
|
36
|
43
|
33
|
36
|
46
|
49
|
62
|
56
|
53
|
48
|
58
|
86
|
63
|
42
|
41
|
45
|
|
2025/02
|
38
|
32
|
43
|
47
|
54
|
61
|
54
|
75
|
55
|
44
|
53
|
73
|
62
|
45
|
44
|
48
|
41
|
42
|
47
|
61
|
82
|
54
|
55
|
85
|
70
|
51
|
53
|
62
|
|||
|
2025/01
|
108
|
122
|
133
|
156
|
91
|
73
|
67
|
67
|
64
|
82
|
88
|
78
|
96
|
95
|
67
|
70
|
84
|
116
|
95
|
95
|
108
|
164
|
174
|
90
|
27
|
35
|
52
|
80
|
159
|
74
|
71
|
|
2024/12
|
58
|
79
|
105
|
62
|
27
|
40
|
44
|
41
|
50
|
50
|
42
|
58
|
74
|
78
|
73
|
64
|
70
|
76
|
87
|
97
|
121
|
79
|
77
|
82
|
89
|
102
|
92
|
99
|
115
|
130
|
101
|
|
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