Air Quality
Excellent
No health implications.
7
PM2.5
12
PM10
33
O3
0.4
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
42
Excellent
Fri
18 Sep
37
Excellent
Sat
19 Sep
41
Excellent
Sun
20 Sep
48
Excellent
Mon
21 Sep
49
Excellent
Tue
22 Sep
22
Excellent
Wed
23 Sep
16
Excellent
Air quality in the last 12 months (Longlin)
|
2026/08
|
19
|
19
|
19
|
22
|
29
|
23
|
26
|
27
|
28
|
29
|
33
|
26
|
31
|
31
|
27
|
24
|
25
|
20
|
30
|
28
|
26
|
31
|
31
|
36
|
31
|
22
|
28
|
21
|
25
|
33
|
33
|
|
2026/07
|
16
|
16
|
17
|
16
|
19
|
19
|
19
|
20
|
21
|
20
|
18
|
21
|
24
|
28
|
28
|
21
|
19
|
21
|
28
|
37
|
35
|
32
|
33
|
23
|
19
|
19
|
22
|
19
|
19
|
18
|
17
|
|
2026/06
|
29
|
28
|
30
|
29
|
30
|
25
|
24
|
22
|
25
|
27
|
31
|
25
|
25
|
25
|
20
|
18
|
20
|
17
|
18
|
16
|
17
|
17
|
21
|
22
|
18
|
17
|
18
|
17
|
17
|
18
|
|
|
2026/05
|
28
|
30
|
21
|
27
|
32
|
34
|
37
|
42
|
49
|
48
|
44
|
30
|
29
|
33
|
35
|
33
|
24
|
22
|
23
|
25
|
19
|
23
|
28
|
28
|
29
|
33
|
35
|
28
|
23
|
29
|
31
|
|
2026/04
|
27
|
36
|
47
|
33
|
49
|
71
|
67
|
57
|
39
|
37
|
39
|
42
|
52
|
65
|
79
|
78
|
37
|
30
|
43
|
43
|
43
|
46
|
34
|
31
|
31
|
39
|
45
|
26
|
24
|
27
|
|
|
2026/03
|
50
|
51
|
37
|
37
|
49
|
39
|
53
|
25
|
15
|
23
|
33
|
47
|
46
|
58
|
51
|
34
|
40
|
36
|
37
|
43
|
36
|
45
|
39
|
45
|
53
|
56
|
65
|
71
|
42
|
35
|
37
|
|
2026/02
|
29
|
27
|
29
|
50
|
64
|
63
|
47
|
24
|
20
|
30
|
33
|
27
|
33
|
40
|
43
|
66
|
72
|
32
|
16
|
30
|
38
|
50
|
39
|
52
|
43
|
32
|
35
|
43
|
|||
|
2026/01
|
45
|
20
|
18
|
26
|
29
|
33
|
61
|
72
|
73
|
73
|
97
|
87
|
95
|
78
|
81
|
72
|
73
|
55
|
52
|
50
|
31
|
29
|
38
|
39
|
35
|
43
|
50
|
35
|
41
|
51
|
29
|
|
2025/12
|
65
|
81
|
73
|
62
|
35
|
40
|
49
|
43
|
43
|
52
|
48
|
47
|
43
|
37
|
41
|
47
|
47
|
44
|
38
|
52
|
51
|
42
|
41
|
41
|
47
|
40
|
52
|
51
|
43
|
49
|
50
|
|
2025/11
|
20
|
21
|
15
|
14
|
15
|
19
|
27
|
21
|
12
|
16
|
18
|
31
|
34
|
38
|
34
|
37
|
41
|
27
|
21
|
37
|
43
|
46
|
52
|
57
|
46
|
50
|
56
|
47
|
46
|
53
|
|
|
2025/10
|
16
|
18
|
21
|
22
|
24
|
19
|
12
|
16
|
18
|
21
|
26
|
32
|
36
|
27
|
14
|
14
|
18
|
23
|
23
|
21
|
18
|
22
|
37
|
42
|
25
|
32
|
27
|
37
|
34
|
31
|
29
|
|
2025/09
|
22
|
20
|
19
|
24
|
27
|
27
|
28
|
28
|
22
|
19
|
18
|
18
|
17
|
17
|
18
|
17
|
18
|
17
|
18
|
24
|
25
|
21
|
17
|
13
|
15
|
14
|
14
|
16
|
17
|
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