Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
22
O3
0.3
CO
4
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jul
42
Excellent
Wed
29 Jul
58
Good
Thu
30 Jul
66
Good
Fri
31 Jul
61
Good
Sat
1 Aug
51
Good
Sun
2 Aug
42
Excellent
Mon
3 Aug
30
Excellent
Air quality in the last 12 months (Longhai)
|
2026/06
|
60
|
63
|
42
|
36
|
35
|
45
|
38
|
25
|
26
|
33
|
33
|
43
|
30
|
18
|
18
|
24
|
15
|
17
|
18
|
25
|
33
|
38
|
44
|
48
|
30
|
22
|
28
|
32
|
22
|
15
|
|
|
2026/05
|
38
|
43
|
38
|
28
|
35
|
42
|
38
|
48
|
31
|
41
|
37
|
59
|
48
|
17
|
19
|
27
|
40
|
35
|
37
|
32
|
41
|
31
|
34
|
34
|
31
|
30
|
37
|
44
|
51
|
59
|
60
|
|
2026/04
|
33
|
37
|
39
|
28
|
37
|
38
|
41
|
47
|
47
|
37
|
35
|
32
|
32
|
34
|
55
|
37
|
47
|
44
|
46
|
50
|
43
|
37
|
37
|
20
|
32
|
59
|
60
|
57
|
30
|
26
|
|
|
2026/03
|
15
|
40
|
24
|
33
|
34
|
37
|
48
|
44
|
45
|
41
|
54
|
56
|
48
|
49
|
47
|
42
|
47
|
46
|
41
|
48
|
46
|
45
|
46
|
36
|
52
|
39
|
46
|
39
|
48
|
68
|
40
|
|
2026/02
|
26
|
47
|
50
|
56
|
56
|
54
|
31
|
42
|
38
|
46
|
46
|
51
|
52
|
42
|
33
|
45
|
65
|
42
|
42
|
50
|
52
|
63
|
59
|
73
|
46
|
31
|
46
|
12
|
|||
|
2026/01
|
29
|
31
|
44
|
50
|
50
|
32
|
44
|
56
|
57
|
64
|
66
|
64
|
64
|
64
|
72
|
72
|
70
|
66
|
63
|
45
|
42
|
44
|
37
|
43
|
42
|
58
|
47
|
39
|
43
|
52
|
32
|
|
2025/12
|
51
|
56
|
46
|
46
|
46
|
44
|
52
|
58
|
52
|
48
|
51
|
55
|
40
|
36
|
55
|
52
|
58
|
59
|
75
|
60
|
67
|
35
|
42
|
54
|
27
|
32
|
32
|
41
|
46
|
52
|
51
|
|
2025/11
|
29
|
50
|
43
|
16
|
18
|
28
|
40
|
41
|
50
|
26
|
29
|
11
|
14
|
33
|
48
|
52
|
48
|
40
|
24
|
40
|
48
|
55
|
56
|
55
|
42
|
71
|
61
|
76
|
82
|
62
|
|
|
2025/10
|
40
|
29
|
37
|
37
|
31
|
31
|
37
|
35
|
34
|
33
|
33
|
37
|
31
|
43
|
28
|
36
|
40
|
37
|
26
|
21
|
14
|
14
|
24
|
25
|
29
|
42
|
49
|
34
|
24
|
38
|
47
|
|
2025/09
|
38
|
31
|
31
|
35
|
34
|
26
|
13
|
11
|
14
|
24
|
25
|
34
|
31
|
33
|
31
|
32
|
26
|
21
|
20
|
11
|
23
|
21
|
19
|
14
|
22
|
25
|
29
|
31
|
40
|
50
|
|
|
2025/08
|
27
|
29
|
20
|
14
|
16
|
26
|
35
|
40
|
25
|
12
|
15
|
23
|
23
|
15
|
21
|
24
|
26
|
22
|
20
|
21
|
30
|
23
|
29
|
28
|
30
|
21
|
22
|
27
|
21
|
24
|
31
|
|
2025/07
|
30
|
27
|
32
|
35
|
14
|
24
|
36
|
38
|
39
|
13
|
10
|
23
|
38
|
30
|
30
|
36
|
41
|
30
|
24
|
20
|
13
|
17
|
18
|
25
|
27
|
25
|
27
|
20
|
22
|
23
|
17
|
|
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