Air Quality
Excellent
No health implications.
19
PM2.5
32
PM10
16
O3
0.6
CO
3
SO2
26
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
61
Good
Wed
16 Jul
63
Good
Thu
17 Jul
76
Good
Fri
18 Jul
62
Good
Sat
19 Jul
55
Good
Sun
20 Jul
20
Excellent
Mon
21 Jul
24
Excellent
Longhai Air quality rank
Air quality in the last 12 months (Longhai)
|
2025/06
|
45
|
25
|
15
|
28
|
37
|
36
|
31
|
39
|
22
|
27
|
32
|
32
|
22
|
20
|
19
|
23
|
22
|
29
|
18
|
14
|
14
|
20
|
25
|
26
|
19
|
13
|
18
|
18
|
18
|
24
|
|
|
2025/05
|
63
|
54
|
52
|
53
|
40
|
40
|
40
|
65
|
44
|
28
|
30
|
43
|
47
|
46
|
33
|
17
|
18
|
27
|
28
|
31
|
26
|
35
|
30
|
23
|
50
|
46
|
39
|
41
|
12
|
27
|
49
|
|
2025/04
|
21
|
42
|
53
|
62
|
53
|
56
|
60
|
66
|
76
|
44
|
45
|
40
|
136
|
94
|
95
|
76
|
64
|
60
|
51
|
51
|
48
|
37
|
36
|
34
|
22
|
15
|
35
|
45
|
40
|
48
|
|
|
2025/03
|
71
|
30
|
32
|
34
|
14
|
14
|
25
|
36
|
40
|
44
|
53
|
50
|
35
|
36
|
39
|
9
|
48
|
52
|
48
|
49
|
56
|
55
|
66
|
72
|
80
|
56
|
50
|
58
|
25
|
11
|
11
|
|
2025/02
|
51
|
21
|
17
|
35
|
62
|
54
|
15
|
43
|
42
|
41
|
45
|
48
|
47
|
35
|
43
|
66
|
51
|
58
|
33
|
37
|
25
|
25
|
21
|
38
|
48
|
68
|
76
|
82
|
|||
|
2025/01
|
64
|
66
|
60
|
47
|
54
|
60
|
65
|
61
|
59
|
62
|
48
|
51
|
59
|
59
|
79
|
83
|
66
|
57
|
56
|
55
|
63
|
68
|
57
|
34
|
29
|
29
|
19
|
38
|
117
|
43
|
40
|
|
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
|
|
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