Air Quality
Excellent
No health implications.
13
PM2.5
30
PM10
119
O3
0.5
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
81
Good
Mon
21 Apr
83
Good
Tue
22 Apr
58
Good
Wed
23 Apr
48
Excellent
Thu
24 Apr
51
Good
Fri
25 Apr
51
Good
Sat
26 Apr
39
Excellent
Air quality in the last 12 months (Longlin)
|
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
|
|
2024/06
|
20
|
22
|
13
|
14
|
15
|
15
|
15
|
14
|
12
|
12
|
18
|
19
|
19
|
14
|
24
|
18
|
18
|
21
|
19
|
19
|
20
|
17
|
18
|
15
|
14
|
12
|
12
|
16
|
14
|
15
|
|
|
2024/05
|
34
|
20
|
22
|
32
|
31
|
26
|
28
|
23
|
16
|
15
|
21
|
16
|
20
|
24
|
20
|
17
|
25
|
21
|
15
|
21
|
23
|
19
|
23
|
23
|
25
|
13
|
17
|
13
|
17
|
15
|
16
|
|
2024/04
|
49
|
43
|
58
|
60
|
35
|
33
|
27
|
24
|
29
|
42
|
48
|
50
|
60
|
52
|
64
|
78
|
63
|
31
|
48
|
40
|
26
|
32
|
28
|
36
|
46
|
40
|
55
|
55
|
62
|
49
|
|
|
2024/03
|
29
|
40
|
45
|
41
|
38
|
41
|
62
|
70
|
48
|
23
|
23
|
38
|
47
|
35
|
29
|
52
|
75
|
70
|
27
|
41
|
52
|
40
|
31
|
38
|
40
|
57
|
59
|
45
|
34
|
56
|
58
|
|
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