Air Quality
Excellent
No health implications.
30
PM2.5
40
PM10
49
O3
0.5
CO
12
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
45
Excellent
Sun
13 Jul
55
Good
Mon
14 Jul
64
Good
Tue
15 Jul
54
Good
Wed
16 Jul
67
Good
Thu
17 Jul
48
Excellent
Fri
18 Jul
27
Excellent
Longhui Air quality rank
Air quality in the last 12 months (Longhui)
|
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
|
|
2025/04
|
53
|
59
|
67
|
123
|
123
|
84
|
87
|
106
|
96
|
66
|
60
|
206
|
224
|
127
|
100
|
98
|
76
|
71
|
34
|
39
|
46
|
32
|
53
|
36
|
43
|
44
|
30
|
44
|
61
|
49
|
|
|
2025/03
|
48
|
41
|
19
|
24
|
28
|
39
|
45
|
56
|
55
|
53
|
52
|
54
|
56
|
29
|
20
|
45
|
40
|
41
|
49
|
52
|
65
|
68
|
78
|
73
|
85
|
97
|
112
|
73
|
46
|
23
|
47
|
|
2025/02
|
26
|
17
|
59
|
68
|
77
|
76
|
57
|
67
|
46
|
53
|
71
|
68
|
79
|
88
|
43
|
53
|
41
|
45
|
42
|
32
|
96
|
35
|
46
|
96
|
83
|
50
|
46
|
40
|
|||
|
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
|
|
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