Air Quality
Excellent
No health implications.
9
PM2.5
31
PM10
86
O3
0.3
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Feb
58
Good
Thu
19 Feb
93
Good
Fri
20 Feb
93
Good
Sat
21 Feb
85
Good
Sun
22 Feb
124
Light
Mon
23 Feb
85
Good
Tue
24 Feb
44
Excellent
Longshan Air quality rank
Air quality in the last 12 months (Longshan)
|
2026/01
|
83
|
83
|
97
|
101
|
72
|
65
|
65
|
78
|
73
|
63
|
48
|
48
|
32
|
52
|
51
|
87
|
59
|
60
|
42
|
59
|
59
|
47
|
54
|
65
|
80
|
71
|
65
|
65
|
79
|
87
|
89
|
|
2025/12
|
73
|
57
|
62
|
71
|
66
|
72
|
75
|
67
|
81
|
95
|
99
|
95
|
78
|
96
|
85
|
82
|
87
|
68
|
58
|
58
|
59
|
62
|
54
|
84
|
72
|
79
|
97
|
80
|
54
|
63
|
66
|
|
2025/11
|
69
|
49
|
52
|
56
|
71
|
70
|
89
|
109
|
59
|
59
|
104
|
99
|
67
|
113
|
132
|
73
|
55
|
57
|
69
|
63
|
77
|
90
|
121
|
186
|
178
|
115
|
72
|
64
|
58
|
61
|
|
|
2025/10
|
52
|
60
|
53
|
46
|
50
|
43
|
48
|
55
|
55
|
50
|
57
|
59
|
64
|
90
|
79
|
68
|
67
|
54
|
64
|
58
|
69
|
82
|
92
|
92
|
132
|
91
|
81
|
139
|
171
|
57
|
78
|
|
2025/09
|
30
|
42
|
42
|
41
|
37
|
27
|
38
|
45
|
38
|
36
|
40
|
45
|
46
|
40
|
31
|
33
|
40
|
44
|
45
|
45
|
46
|
46
|
45
|
37
|
42
|
45
|
46
|
42
|
46
|
45
|
|
|
2025/08
|
30
|
31
|
26
|
24
|
26
|
21
|
25
|
26
|
28
|
25
|
30
|
30
|
29
|
30
|
36
|
28
|
23
|
30
|
40
|
33
|
29
|
18
|
32
|
25
|
22
|
28
|
30
|
26
|
28
|
41
|
40
|
|
2025/07
|
21
|
21
|
14
|
15
|
20
|
23
|
29
|
28
|
32
|
36
|
29
|
29
|
24
|
20
|
19
|
23
|
30
|
23
|
22
|
22
|
22
|
31
|
17
|
18
|
26
|
31
|
38
|
24
|
22
|
18
|
29
|
|
2025/06
|
38
|
39
|
24
|
19
|
30
|
32
|
26
|
30
|
30
|
18
|
20
|
32
|
27
|
26
|
34
|
20
|
27
|
28
|
27
|
21
|
16
|
21
|
31
|
36
|
38
|
34
|
47
|
34
|
34
|
31
|
|
|
2025/05
|
28
|
31
|
26
|
30
|
38
|
32
|
45
|
44
|
43
|
34
|
45
|
46
|
40
|
40
|
36
|
30
|
25
|
33
|
29
|
33
|
46
|
50
|
42
|
42
|
35
|
37
|
44
|
42
|
42
|
48
|
53
|
|
2025/04
|
51
|
46
|
75
|
64
|
37
|
30
|
38
|
54
|
64
|
68
|
58
|
30
|
16
|
30
|
39
|
43
|
45
|
36
|
35
|
52
|
60
|
21
|
41
|
71
|
77
|
101
|
82
|
59
|
53
|
54
|
|
|
2025/03
|
81
|
35
|
39
|
34
|
54
|
57
|
48
|
55
|
73
|
56
|
47
|
89
|
38
|
45
|
61
|
68
|
83
|
66
|
66
|
75
|
69
|
169
|
157
|
88
|
114
|
77
|
47
|
43
|
37
|
50
|
64
|
|
2025/02
|
126
|
136
|
50
|
80
|
93
|
75
|
43
|
25
|
51
|
74
|
49
|
62
|
74
|
77
|
71
|
45
|
36
|
66
|
76
|
71
|
69
|
70
|
74
|
65
|
71
|
45
|
56
|
78
|
|||
|
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