Air Quality
Excellent
No health implications.
5
PM2.5
7
PM10
45
O3
0.5
CO
6
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Jul
45
Excellent
Thu
24 Jul
37
Excellent
Fri
25 Jul
48
Excellent
Sat
26 Jul
57
Good
Sun
27 Jul
59
Good
Mon
28 Jul
56
Good
Tue
29 Jul
34
Excellent
Air quality in the last 12 months (Longshan)
|
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
|
|
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
|
|
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