Air Quality
Excellent
No health implications.
30
PM2.5
35
PM10
61
O3
0.7
CO
13
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jan
83
Good
Fri
9 Jan
90
Good
Sat
10 Jan
62
Good
Sun
11 Jan
63
Good
Mon
12 Jan
80
Good
Tue
13 Jan
62
Good
Wed
14 Jan
36
Excellent
Air quality in the last 12 months (Acheng)
|
2025/11
|
156
|
17
|
44
|
51
|
204
|
149
|
43
|
158
|
39
|
31
|
82
|
139
|
64
|
178
|
132
|
82
|
42
|
72
|
145
|
59
|
53
|
272
|
247
|
206
|
160
|
320
|
116
|
45
|
47
|
80
|
|
|
2025/10
|
49
|
54
|
46
|
40
|
36
|
44
|
34
|
36
|
46
|
67
|
68
|
37
|
55
|
58
|
52
|
52
|
77
|
23
|
31
|
24
|
36
|
53
|
54
|
82
|
138
|
39
|
39
|
58
|
162
|
96
|
98
|
|
2025/09
|
21
|
31
|
35
|
36
|
39
|
23
|
24
|
24
|
22
|
23
|
33
|
48
|
33
|
41
|
17
|
20
|
21
|
29
|
24
|
36
|
43
|
33
|
40
|
26
|
20
|
28
|
27
|
50
|
45
|
49
|
|
|
2025/08
|
29
|
39
|
19
|
23
|
21
|
28
|
25
|
31
|
28
|
17
|
24
|
31
|
32
|
15
|
34
|
26
|
20
|
30
|
27
|
30
|
30
|
19
|
26
|
24
|
27
|
27
|
32
|
30
|
28
|
31
|
35
|
|
2025/07
|
19
|
20
|
41
|
28
|
36
|
15
|
21
|
29
|
38
|
34
|
39
|
42
|
24
|
25
|
24
|
21
|
27
|
30
|
24
|
18
|
14
|
31
|
24
|
23
|
20
|
21
|
29
|
20
|
29
|
12
|
19
|
|
2025/06
|
25
|
39
|
16
|
25
|
20
|
13
|
20
|
36
|
23
|
20
|
18
|
24
|
34
|
28
|
34
|
33
|
18
|
32
|
26
|
18
|
15
|
23
|
34
|
40
|
43
|
61
|
56
|
40
|
45
|
41
|
|
|
2025/05
|
39
|
32
|
40
|
23
|
20
|
34
|
40
|
33
|
35
|
31
|
50
|
65
|
55
|
59
|
66
|
36
|
25
|
30
|
26
|
50
|
50
|
35
|
32
|
26
|
32
|
29
|
37
|
54
|
48
|
48
|
53
|
|
2025/04
|
82
|
78
|
50
|
56
|
44
|
44
|
44
|
65
|
138
|
213
|
218
|
67
|
49
|
32
|
35
|
68
|
164
|
92
|
40
|
112
|
90
|
29
|
33
|
38
|
20
|
26
|
41
|
59
|
53
|
59
|
|
|
2025/03
|
26
|
29
|
41
|
50
|
49
|
73
|
45
|
68
|
78
|
258
|
132
|
63
|
25
|
45
|
45
|
34
|
43
|
45
|
126
|
125
|
171
|
27
|
38
|
90
|
67
|
61
|
41
|
30
|
29
|
31
|
78
|
|
2025/02
|
136
|
149
|
163
|
95
|
107
|
110
|
70
|
49
|
107
|
114
|
118
|
117
|
82
|
63
|
90
|
57
|
48
|
52
|
73
|
80
|
80
|
91
|
74
|
55
|
54
|
48
|
81
|
90
|
|||
|
2025/01
|
131
|
133
|
80
|
111
|
152
|
159
|
156
|
86
|
108
|
127
|
162
|
143
|
120
|
219
|
116
|
53
|
59
|
68
|
185
|
246
|
253
|
179
|
197
|
209
|
227
|
280
|
97
|
49
|
88
|
67
|
108
|
|
2024/12
|
41
|
29
|
26
|
36
|
52
|
41
|
61
|
87
|
81
|
130
|
61
|
89
|
132
|
74
|
47
|
76
|
121
|
120
|
107
|
169
|
145
|
72
|
102
|
70
|
61
|
45
|
62
|
79
|
52
|
111
|
113
|
|
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