Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
40
O3
0.4
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jul
39
Excellent
Sun
19 Jul
49
Excellent
Mon
20 Jul
57
Good
Tue
21 Jul
55
Good
Wed
22 Jul
53
Good
Thu
23 Jul
47
Excellent
Fri
24 Jul
20
Excellent
Air quality in the last 12 months (Longshan)
|
2026/06
|
29
|
26
|
24
|
32
|
42
|
44
|
34
|
28
|
23
|
30
|
27
|
22
|
23
|
28
|
32
|
34
|
38
|
28
|
20
|
20
|
23
|
19
|
18
|
19
|
22
|
26
|
33
|
35
|
28
|
20
|
|
|
2026/05
|
35
|
31
|
28
|
35
|
35
|
41
|
33
|
28
|
29
|
30
|
35
|
45
|
27
|
29
|
38
|
33
|
18
|
15
|
14
|
18
|
21
|
21
|
22
|
25
|
31
|
21
|
15
|
20
|
35
|
30
|
29
|
|
2026/04
|
25
|
26
|
30
|
46
|
45
|
30
|
33
|
30
|
38
|
37
|
27
|
27
|
26
|
21
|
19
|
23
|
29
|
37
|
35
|
44
|
27
|
19
|
19
|
30
|
42
|
44
|
26
|
24
|
29
|
34
|
|
|
2026/03
|
19
|
17
|
21
|
29
|
36
|
46
|
48
|
19
|
24
|
31
|
35
|
51
|
54
|
58
|
33
|
22
|
19
|
19
|
36
|
42
|
33
|
37
|
34
|
23
|
24
|
19
|
22
|
29
|
26
|
22
|
30
|
|
2026/02
|
47
|
58
|
71
|
84
|
103
|
94
|
109
|
72
|
56
|
53
|
55
|
62
|
66
|
68
|
72
|
35
|
67
|
65
|
55
|
51
|
53
|
53
|
41
|
35
|
41
|
22
|
19
|
21
|
|||
|
2026/01
|
28
|
50
|
67
|
62
|
64
|
54
|
58
|
64
|
70
|
84
|
74
|
68
|
91
|
111
|
134
|
129
|
128
|
164
|
54
|
30
|
56
|
62
|
69
|
67
|
60
|
50
|
70
|
72
|
48
|
19
|
42
|
|
2025/12
|
81
|
99
|
74
|
70
|
77
|
67
|
77
|
63
|
76
|
95
|
91
|
128
|
30
|
43
|
53
|
58
|
67
|
75
|
90
|
84
|
36
|
40
|
25
|
40
|
48
|
50
|
62
|
65
|
85
|
115
|
54
|
|
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
|
|
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