Air Quality
Excellent
No health implications.
25
PM2.5
47
PM10
52
O3
0.5
CO
7
SO2
33
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
96
Good
Thu
15 May
93
Good
Fri
16 May
100
Good
Sat
17 May
98
Good
Sun
18 May
102
Light
Mon
19 May
23
Excellent
Tue
20 May
19
Excellent
Air quality in the last 12 months (Liquan)
|
2025/02
|
216
|
132
|
32
|
49
|
46
|
61
|
98
|
43
|
64
|
94
|
108
|
88
|
94
|
91
|
68
|
82
|
94
|
96
|
116
|
111
|
129
|
144
|
72
|
65
|
79
|
85
|
106
|
141
|
|||
|
2025/01
|
93
|
87
|
86
|
132
|
97
|
73
|
66
|
76
|
64
|
71
|
68
|
87
|
106
|
84
|
47
|
71
|
89
|
100
|
115
|
112
|
146
|
200
|
221
|
160
|
63
|
87
|
76
|
112
|
282
|
229
|
251
|
|
2024/12
|
67
|
87
|
74
|
81
|
59
|
76
|
65
|
49
|
88
|
110
|
148
|
122
|
51
|
66
|
76
|
106
|
98
|
88
|
95
|
138
|
66
|
70
|
99
|
95
|
108
|
102
|
59
|
54
|
79
|
55
|
76
|
|
2024/11
|
76
|
64
|
70
|
58
|
74
|
112
|
142
|
161
|
127
|
154
|
171
|
164
|
102
|
53
|
51
|
56
|
28
|
28
|
60
|
52
|
59
|
89
|
137
|
108
|
38
|
56
|
82
|
78
|
50
|
53
|
|
|
2024/10
|
44
|
56
|
60
|
63
|
100
|
153
|
129
|
142
|
95
|
66
|
81
|
103
|
74
|
83
|
87
|
83
|
78
|
44
|
40
|
35
|
36
|
28
|
58
|
91
|
99
|
56
|
42
|
60
|
102
|
120
|
78
|
|
2024/09
|
61
|
52
|
45
|
41
|
29
|
50
|
33
|
39
|
46
|
55
|
54
|
43
|
37
|
36
|
55
|
40
|
51
|
50
|
34
|
33
|
25
|
49
|
63
|
84
|
116
|
93
|
86
|
71
|
37
|
33
|
|
|
2024/08
|
39
|
43
|
35
|
32
|
36
|
39
|
30
|
35
|
50
|
105
|
58
|
39
|
43
|
52
|
37
|
34
|
46
|
33
|
43
|
43
|
32
|
44
|
53
|
57
|
51
|
29
|
27
|
38
|
39
|
43
|
41
|
|
2024/07
|
25
|
28
|
31
|
30
|
37
|
43
|
31
|
15
|
22
|
40
|
29
|
39
|
46
|
47
|
44
|
28
|
13
|
21
|
30
|
25
|
43
|
34
|
37
|
63
|
79
|
64
|
48
|
49
|
34
|
28
|
39
|
|
2024/06
|
72
|
35
|
47
|
38
|
43
|
63
|
39
|
45
|
39
|
47
|
48
|
52
|
55
|
46
|
59
|
40
|
33
|
42
|
42
|
46
|
24
|
48
|
54
|
64
|
81
|
63
|
49
|
58
|
44
|
57
|
|
|
2024/05
|
48
|
52
|
37
|
38
|
36
|
47
|
54
|
59
|
42
|
48
|
77
|
62
|
70
|
60
|
75
|
59
|
58
|
58
|
47
|
48
|
53
|
56
|
53
|
48
|
50
|
37
|
54
|
59
|
38
|
62
|
78
|
|
2024/04
|
73
|
72
|
72
|
85
|
83
|
102
|
86
|
69
|
65
|
45
|
58
|
59
|
49
|
46
|
82
|
84
|
78
|
68
|
168
|
118
|
115
|
81
|
320
|
158
|
70
|
58
|
66
|
65
|
47
|
27
|
|
|
2024/03
|
57
|
58
|
80
|
106
|
109
|
80
|
96
|
73
|
85
|
92
|
73
|
67
|
75
|
104
|
80
|
348
|
185
|
86
|
133
|
109
|
91
|
109
|
115
|
44
|
41
|
76
|
101
|
69
|
55
|
62
|
81
|
|
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