Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
63
O3
0.4
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jul
43
Excellent
Sun
27 Jul
44
Excellent
Mon
28 Jul
42
Excellent
Tue
29 Jul
61
Good
Wed
30 Jul
59
Good
Thu
31 Jul
59
Good
Fri
1 Aug
23
Excellent
Air quality in the last 12 months (Longlin)
|
2025/06
|
22
|
21
|
19
|
27
|
23
|
28
|
28
|
28
|
34
|
27
|
30
|
29
|
24
|
21
|
20
|
25
|
22
|
17
|
19
|
19
|
20
|
17
|
19
|
16
|
17
|
16
|
17
|
16
|
14
|
15
|
|
|
2025/05
|
42
|
50
|
42
|
28
|
35
|
32
|
26
|
39
|
30
|
20
|
20
|
29
|
29
|
35
|
40
|
39
|
24
|
33
|
38
|
24
|
27
|
28
|
36
|
45
|
31
|
15
|
18
|
20
|
13
|
17
|
20
|
|
2025/04
|
32
|
46
|
53
|
67
|
70
|
63
|
50
|
49
|
60
|
46
|
50
|
67
|
130
|
98
|
69
|
50
|
54
|
42
|
39
|
42
|
30
|
31
|
44
|
42
|
31
|
38
|
43
|
24
|
32
|
33
|
|
|
2025/03
|
37
|
33
|
46
|
51
|
51
|
39
|
35
|
42
|
55
|
30
|
44
|
53
|
46
|
55
|
41
|
28
|
29
|
26
|
33
|
42
|
62
|
78
|
88
|
82
|
63
|
54
|
58
|
83
|
46
|
28
|
35
|
|
2025/02
|
58
|
31
|
27
|
39
|
56
|
33
|
25
|
31
|
38
|
43
|
45
|
66
|
40
|
42
|
34
|
43
|
38
|
25
|
18
|
19
|
18
|
18
|
20
|
18
|
22
|
22
|
26
|
37
|
|||
|
2025/01
|
69
|
87
|
67
|
85
|
50
|
77
|
101
|
57
|
39
|
33
|
55
|
53
|
61
|
85
|
65
|
82
|
85
|
87
|
96
|
101
|
87
|
117
|
74
|
48
|
48
|
29
|
42
|
49
|
77
|
53
|
53
|
|
2024/12
|
48
|
61
|
57
|
53
|
40
|
20
|
32
|
29
|
22
|
31
|
24
|
28
|
32
|
50
|
56
|
73
|
60
|
51
|
61
|
71
|
71
|
82
|
84
|
86
|
93
|
64
|
46
|
46
|
61
|
69
|
57
|
|
2024/11
|
45
|
35
|
42
|
49
|
37
|
56
|
60
|
61
|
54
|
43
|
42
|
41
|
44
|
47
|
43
|
52
|
53
|
49
|
43
|
22
|
27
|
31
|
34
|
44
|
42
|
24
|
26
|
31
|
38
|
41
|
|
|
2024/10
|
12
|
20
|
26
|
29
|
36
|
50
|
44
|
54
|
51
|
58
|
50
|
49
|
51
|
30
|
23
|
21
|
19
|
26
|
33
|
24
|
25
|
28
|
25
|
36
|
32
|
31
|
39
|
38
|
36
|
34
|
34
|
|
2024/09
|
24
|
24
|
16
|
20
|
26
|
34
|
26
|
16
|
13
|
15
|
19
|
20
|
23
|
28
|
34
|
28
|
21
|
24
|
32
|
36
|
33
|
22
|
31
|
45
|
47
|
43
|
44
|
45
|
30
|
18
|
|
|
2024/08
|
15
|
14
|
14
|
15
|
20
|
20
|
21
|
20
|
21
|
26
|
27
|
48
|
30
|
35
|
28
|
31
|
38
|
35
|
24
|
28
|
24
|
20
|
16
|
18
|
16
|
18
|
20
|
21
|
26
|
28
|
25
|
|
2024/07
|
20
|
16
|
13
|
16
|
15
|
17
|
16
|
17
|
18
|
16
|
15
|
16
|
17
|
15
|
17
|
17
|
16
|
15
|
13
|
15
|
17
|
17
|
18
|
13
|
15
|
21
|
25
|
21
|
16
|
15
|
14
|
|
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