Air Quality
Excellent
No health implications.
28
PM2.5
48
PM10
26
O3
0.9
CO
7
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Feb
52
Good
Sat
1 Mar
44
Excellent
Sun
2 Mar
58
Good
Mon
3 Mar
52
Good
Tue
4 Mar
52
Good
Wed
5 Mar
28
Excellent
Thu
6 Mar
22
Excellent
Air quality in the last 12 months (Longhui)
|
2025/01
|
129
|
136
|
145
|
174
|
160
|
101
|
94
|
87
|
54
|
60
|
77
|
83
|
82
|
91
|
75
|
67
|
84
|
101
|
110
|
105
|
113
|
129
|
166
|
221
|
34
|
30
|
60
|
92
|
276
|
151
|
50
|
|
2024/12
|
79
|
79
|
98
|
129
|
35
|
38
|
49
|
66
|
107
|
48
|
35
|
68
|
80
|
51
|
55
|
64
|
79
|
70
|
94
|
119
|
109
|
91
|
84
|
111
|
115
|
105
|
95
|
140
|
138
|
136
|
108
|
|
2024/11
|
58
|
85
|
83
|
77
|
87
|
72
|
66
|
67
|
79
|
78
|
71
|
73
|
71
|
88
|
97
|
82
|
20
|
12
|
15
|
29
|
40
|
48
|
62
|
68
|
22
|
26
|
41
|
45
|
55
|
66
|
|
|
2024/10
|
21
|
49
|
58
|
55
|
57
|
71
|
53
|
52
|
56
|
63
|
77
|
78
|
120
|
56
|
36
|
34
|
44
|
32
|
15
|
22
|
32
|
19
|
32
|
51
|
52
|
53
|
50
|
57
|
70
|
59
|
58
|
|
2024/09
|
47
|
43
|
56
|
49
|
54
|
51
|
41
|
38
|
31
|
38
|
42
|
38
|
33
|
41
|
49
|
41
|
41
|
46
|
40
|
44
|
31
|
34
|
39
|
46
|
68
|
75
|
71
|
68
|
61
|
62
|
|
|
2024/08
|
13
|
18
|
21
|
29
|
30
|
30
|
31
|
31
|
30
|
33
|
29
|
37
|
41
|
42
|
49
|
39
|
49
|
49
|
34
|
40
|
43
|
26
|
25
|
25
|
40
|
39
|
41
|
29
|
37
|
40
|
51
|
|
2024/07
|
21
|
13
|
21
|
23
|
22
|
20
|
22
|
22
|
24
|
28
|
29
|
29
|
33
|
27
|
29
|
28
|
22
|
19
|
13
|
22
|
28
|
29
|
25
|
29
|
37
|
30
|
30
|
21
|
16
|
16
|
15
|
|
2024/06
|
30
|
22
|
55
|
25
|
18
|
28
|
39
|
43
|
35
|
25
|
18
|
16
|
21
|
22
|
33
|
38
|
16
|
13
|
19
|
26
|
26
|
24
|
29
|
16
|
10
|
18
|
26
|
28
|
18
|
14
|
|
|
2024/05
|
22
|
40
|
26
|
13
|
28
|
41
|
61
|
52
|
56
|
58
|
35
|
53
|
62
|
66
|
65
|
72
|
63
|
50
|
23
|
23
|
39
|
56
|
45
|
44
|
45
|
28
|
21
|
37
|
29
|
12
|
23
|
|
2024/04
|
44
|
54
|
23
|
35
|
32
|
28
|
43
|
45
|
48
|
49
|
68
|
52
|
52
|
47
|
62
|
50
|
26
|
44
|
24
|
30
|
45
|
50
|
42
|
49
|
38
|
43
|
44
|
51
|
46
|
10
|
|
|
2024/03
|
91
|
48
|
59
|
64
|
36
|
94
|
71
|
68
|
71
|
64
|
56
|
59
|
54
|
54
|
57
|
45
|
37
|
17
|
43
|
73
|
78
|
65
|
42
|
47
|
25
|
28
|
51
|
28
|
39
|
52
|
37
|
|
2024/02
|
30
|
21
|
20
|
40
|
62
|
48
|
60
|
76
|
112
|
220
|
119
|
114
|
85
|
58
|
53
|
54
|
53
|
43
|
71
|
63
|
14
|
22
|
26
|
31
|
42
|
38
|
60
|
58
|
57
|
||
|
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