Air Quality
Excellent
No health implications.
12
PM2.5
16
PM10
77
O3
0.5
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 May
46
Excellent
Fri
8 May
52
Good
Sat
9 May
58
Good
Sun
10 May
60
Good
Mon
11 May
73
Good
Tue
12 May
61
Good
Wed
13 May
24
Excellent
Air quality in the last 12 months (Longhui)
|
2026/04
|
31
|
45
|
22
|
45
|
64
|
36
|
43
|
52
|
68
|
54
|
23
|
27
|
35
|
24
|
27
|
20
|
31
|
38
|
48
|
35
|
17
|
18
|
27
|
41
|
57
|
56
|
59
|
33
|
29
|
33
|
|
|
2026/03
|
14
|
19
|
34
|
32
|
41
|
59
|
73
|
17
|
28
|
52
|
37
|
53
|
66
|
66
|
90
|
29
|
35
|
24
|
43
|
26
|
45
|
36
|
35
|
24
|
58
|
39
|
27
|
35
|
32
|
29
|
31
|
|
2026/02
|
63
|
63
|
75
|
102
|
123
|
79
|
94
|
64
|
67
|
59
|
65
|
77
|
67
|
69
|
63
|
22
|
70
|
84
|
61
|
47
|
63
|
68
|
64
|
38
|
54
|
40
|
19
|
24
|
|||
|
2026/01
|
26
|
54
|
67
|
74
|
46
|
61
|
70
|
73
|
75
|
117
|
123
|
125
|
111
|
98
|
114
|
146
|
125
|
146
|
36
|
25
|
52
|
62
|
73
|
76
|
76
|
36
|
89
|
104
|
73
|
25
|
45
|
|
2025/12
|
73
|
103
|
72
|
63
|
72
|
90
|
103
|
91
|
107
|
121
|
112
|
130
|
32
|
55
|
71
|
96
|
96
|
93
|
102
|
106
|
61
|
101
|
67
|
49
|
58
|
62
|
76
|
83
|
112
|
120
|
123
|
|
2025/11
|
46
|
32
|
22
|
26
|
38
|
35
|
46
|
13
|
8
|
10
|
34
|
50
|
37
|
49
|
54
|
68
|
56
|
26
|
33
|
44
|
49
|
55
|
69
|
62
|
55
|
61
|
82
|
74
|
71
|
83
|
|
|
2025/10
|
63
|
45
|
41
|
55
|
60
|
30
|
30
|
51
|
52
|
45
|
47
|
66
|
67
|
36
|
48
|
48
|
44
|
14
|
9
|
9
|
12
|
28
|
38
|
43
|
60
|
54
|
47
|
60
|
72
|
82
|
52
|
|
2025/09
|
43
|
38
|
35
|
36
|
46
|
50
|
47
|
44
|
24
|
27
|
26
|
24
|
31
|
32
|
44
|
43
|
33
|
40
|
41
|
19
|
34
|
24
|
21
|
14
|
13
|
25
|
38
|
47
|
51
|
53
|
|
|
2025/08
|
42
|
46
|
38
|
32
|
35
|
25
|
15
|
23
|
30
|
33
|
37
|
44
|
43
|
25
|
13
|
25
|
33
|
36
|
19
|
20
|
20
|
23
|
32
|
32
|
33
|
35
|
43
|
33
|
36
|
33
|
33
|
|
2025/07
|
20
|
15
|
24
|
30
|
36
|
48
|
46
|
44
|
44
|
30
|
31
|
37
|
35
|
32
|
28
|
29
|
31
|
34
|
35
|
30
|
15
|
12
|
16
|
26
|
29
|
37
|
36
|
26
|
33
|
29
|
30
|
|
2025/06
|
24
|
21
|
42
|
47
|
47
|
45
|
30
|
21
|
43
|
45
|
37
|
26
|
32
|
26
|
22
|
31
|
15
|
12
|
15
|
20
|
23
|
12
|
19
|
18
|
35
|
35
|
28
|
18
|
22
|
18
|
|
|
2025/05
|
49
|
67
|
64
|
51
|
42
|
53
|
58
|
55
|
32
|
44
|
37
|
51
|
63
|
72
|
58
|
26
|
44
|
36
|
45
|
23
|
24
|
30
|
38
|
56
|
56
|
45
|
40
|
11
|
24
|
32
|
28
|
|
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