Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
28
PM2.5
52
*
PM10
84
O3
0.5
CO
4
SO2
10
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
6 Nov
49
Excellent
Thu
7 Nov
49
Excellent
Fri
8 Nov
47
Excellent
Sat
9 Nov
44
Excellent
Sun
10 Nov
41
Excellent
Mon
11 Nov
39
Excellent
Air quality in the last 12 months (Longhai)
|
2024/10
|
14
|
13
|
18
|
18
|
20
|
26
|
26
|
18
|
32
|
43
|
49
|
46
|
39
|
39
|
33
|
31
|
37
|
48
|
43
|
22
|
31
|
36
|
40
|
37
|
29
|
31
|
41
|
25
|
35
|
44
|
19
|
|
2024/09
|
34
|
45
|
40
|
31
|
27
|
17
|
17
|
19
|
19
|
38
|
51
|
55
|
26
|
33
|
26
|
27
|
28
|
26
|
34
|
21
|
24
|
10
|
11
|
14
|
23
|
30
|
22
|
19
|
24
|
17
|
|
|
2024/08
|
27
|
32
|
40
|
43
|
43
|
39
|
31
|
27
|
34
|
47
|
45
|
38
|
31
|
29
|
22
|
17
|
21
|
20
|
19
|
12
|
16
|
23
|
30
|
34
|
42
|
49
|
38
|
35
|
45
|
30
|
32
|
|
2024/07
|
18
|
18
|
16
|
18
|
15
|
14
|
13
|
17
|
13
|
19
|
25
|
29
|
24
|
23
|
22
|
19
|
18
|
14
|
18
|
22
|
23
|
30
|
35
|
29
|
14
|
8
|
16
|
22
|
24
|
19
|
11
|
|
2024/06
|
9
|
8
|
28
|
29
|
34
|
28
|
25
|
27
|
21
|
21
|
16
|
27
|
31
|
25
|
21
|
19
|
17
|
21
|
16
|
19
|
21
|
29
|
18
|
11
|
16
|
20
|
18
|
15
|
15
|
18
|
|
|
2024/05
|
30
|
23
|
29
|
41
|
25
|
44
|
49
|
52
|
51
|
40
|
46
|
37
|
31
|
33
|
46
|
56
|
49
|
54
|
45
|
23
|
16
|
12
|
23
|
23
|
34
|
21
|
15
|
26
|
31
|
51
|
38
|
|
2024/04
|
34
|
56
|
41
|
47
|
28
|
36
|
21
|
38
|
21
|
44
|
51
|
55
|
69
|
47
|
58
|
52
|
45
|
42
|
47
|
53
|
27
|
37
|
37
|
26
|
41
|
25
|
25
|
17
|
27
|
26
|
|
|
2024/03
|
11
|
28
|
46
|
52
|
67
|
42
|
36
|
66
|
68
|
69
|
49
|
35
|
70
|
71
|
64
|
76
|
69
|
48
|
58
|
61
|
60
|
72
|
74
|
36
|
37
|
48
|
47
|
56
|
56
|
59
|
39
|
|
2024/02
|
52
|
36
|
35
|
23
|
29
|
23
|
18
|
20
|
47
|
92
|
52
|
47
|
55
|
55
|
49
|
35
|
39
|
71
|
45
|
33
|
21
|
32
|
25
|
33
|
50
|
43
|
35
|
50
|
54
|
||
|
2024/01
|
74
|
75
|
50
|
47
|
69
|
76
|
76
|
95
|
71
|
52
|
83
|
99
|
78
|
49
|
80
|
70
|
55
|
58
|
67
|
42
|
33
|
28
|
17
|
32
|
55
|
70
|
84
|
89
|
73
|
53
|
74
|
|
2023/12
|
52
|
46
|
47
|
42
|
48
|
48
|
44
|
58
|
66
|
74
|
60
|
49
|
33
|
49
|
54
|
25
|
25
|
34
|
47
|
14
|
25
|
53
|
41
|
39
|
57
|
64
|
65
|
63
|
55
|
66
|
83
|
|
2023/11
|
39
|
38
|
48
|
63
|
62
|
52
|
44
|
51
|
56
|
52
|
20
|
21
|
32
|
42
|
35
|
35
|
53
|
62
|
63
|
60
|
55
|
47
|
50
|
69
|
49
|
40
|
55
|
64
|
61
|
61
|
|
|
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