Air Quality
Excellent
No health implications.
20
PM2.5
28
PM10
49
O3
0.3
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
63
Good
Thu
1 May
80
Good
Fri
2 May
81
Good
Sat
3 May
75
Good
Sun
4 May
62
Good
Mon
5 May
47
Excellent
Tue
6 May
21
Excellent
Air quality in the last 12 months (Longshan)
|
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
|
|
2024/11
|
58
|
64
|
65
|
58
|
48
|
47
|
48
|
50
|
44
|
35
|
42
|
57
|
48
|
48
|
54
|
50
|
15
|
13
|
13
|
18
|
21
|
28
|
38
|
30
|
17
|
23
|
26
|
30
|
39
|
46
|
|
|
2024/10
|
16
|
25
|
34
|
36
|
42
|
44
|
29
|
30
|
42
|
48
|
56
|
65
|
37
|
30
|
29
|
30
|
24
|
19
|
22
|
17
|
15
|
19
|
21
|
26
|
31
|
32
|
42
|
42
|
38
|
39
|
49
|
|
2024/09
|
28
|
27
|
36
|
38
|
41
|
37
|
35
|
30
|
24
|
32
|
27
|
32
|
25
|
25
|
34
|
31
|
24
|
22
|
29
|
27
|
28
|
24
|
29
|
32
|
39
|
51
|
53
|
60
|
66
|
41
|
|
|
2024/08
|
13
|
13
|
14
|
15
|
17
|
16
|
18
|
23
|
26
|
27
|
48
|
48
|
31
|
28
|
32
|
31
|
21
|
19
|
20
|
24
|
26
|
29
|
25
|
20
|
19
|
20
|
24
|
20
|
22
|
23
|
22
|
|
2024/07
|
19
|
20
|
16
|
15
|
19
|
18
|
18
|
21
|
22
|
24
|
22
|
20
|
23
|
20
|
18
|
21
|
19
|
20
|
16
|
19
|
18
|
19
|
18
|
19
|
19
|
23
|
20
|
20
|
13
|
15
|
12
|
|
2024/06
|
29
|
31
|
30
|
22
|
18
|
18
|
29
|
29
|
20
|
19
|
23
|
19
|
20
|
27
|
33
|
32
|
18
|
18
|
22
|
14
|
16
|
18
|
22
|
24
|
22
|
17
|
15
|
10
|
17
|
19
|
|
|
2024/05
|
20
|
23
|
15
|
14
|
26
|
32
|
40
|
42
|
50
|
48
|
31
|
36
|
39
|
41
|
39
|
57
|
51
|
43
|
17
|
21
|
35
|
37
|
31
|
34
|
33
|
30
|
19
|
37
|
23
|
18
|
27
|
|
2024/04
|
35
|
28
|
22
|
36
|
33
|
25
|
25
|
27
|
32
|
33
|
37
|
32
|
25
|
31
|
42
|
31
|
14
|
25
|
22
|
38
|
52
|
44
|
36
|
34
|
29
|
35
|
32
|
25
|
26
|
13
|
|
|
2024/03
|
72
|
73
|
63
|
57
|
47
|
48
|
71
|
58
|
65
|
67
|
63
|
57
|
62
|
52
|
51
|
44
|
38
|
26
|
46
|
62
|
60
|
61
|
55
|
39
|
20
|
20
|
28
|
36
|
38
|
35
|
25
|
|
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