Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
46
PM2.5
83
*
PM10
125
O3
0.6
CO
6
SO2
27
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
15 Jan
63
Good
Thu
16 Jan
61
Good
Fri
17 Jan
63
Good
Sat
18 Jan
62
Good
Sun
19 Jan
62
Good
Mon
20 Jan
66
Good
Tue
21 Jan
40
Excellent
Air quality in the last 12 months (Longhai)
|
2024/12
|
57
|
67
|
54
|
40
|
46
|
45
|
41
|
35
|
32
|
38
|
44
|
27
|
26
|
38
|
61
|
58
|
58
|
55
|
52
|
39
|
49
|
65
|
58
|
39
|
48
|
56
|
61
|
71
|
61
|
59
|
68
|
|
2024/11
|
18
|
19
|
36
|
47
|
48
|
46
|
31
|
30
|
49
|
46
|
37
|
30
|
23
|
35
|
36
|
25
|
30
|
21
|
16
|
10
|
14
|
23
|
29
|
30
|
30
|
18
|
30
|
27
|
40
|
51
|
|
|
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
|
|
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