Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
95
O3
0.4
CO
3
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jul
71
Good
Sun
20 Jul
71
Good
Mon
21 Jul
60
Good
Tue
22 Jul
61
Good
Wed
23 Jul
76
Good
Thu
24 Jul
64
Good
Fri
25 Jul
16
Excellent
Air quality in the last 12 months (Acheng)
|
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
|
|
2024/11
|
113
|
65
|
65
|
46
|
58
|
110
|
136
|
141
|
119
|
78
|
180
|
124
|
110
|
133
|
145
|
54
|
39
|
51
|
101
|
187
|
215
|
48
|
80
|
65
|
58
|
60
|
31
|
46
|
35
|
80
|
|
|
2024/10
|
21
|
28
|
29
|
30
|
49
|
32
|
54
|
64
|
52
|
27
|
30
|
48
|
59
|
54
|
22
|
24
|
71
|
72
|
32
|
51
|
39
|
34
|
53
|
75
|
78
|
83
|
85
|
53
|
56
|
70
|
80
|
|
2024/09
|
18
|
17
|
22
|
21
|
27
|
18
|
22
|
25
|
36
|
24
|
21
|
25
|
24
|
26
|
23
|
25
|
29
|
24
|
30
|
23
|
40
|
41
|
27
|
32
|
32
|
33
|
35
|
45
|
31
|
22
|
|
|
2024/08
|
21
|
26
|
21
|
26
|
22
|
25
|
33
|
34
|
31
|
41
|
19
|
25
|
30
|
37
|
45
|
41
|
41
|
43
|
17
|
19
|
26
|
24
|
27
|
43
|
35
|
27
|
36
|
26
|
31
|
30
|
25
|
|
2024/07
|
65
|
57
|
35
|
17
|
32
|
47
|
71
|
64
|
55
|
79
|
102
|
70
|
56
|
64
|
65
|
56
|
29
|
28
|
38
|
38
|
36
|
35
|
33
|
42
|
28
|
17
|
17
|
14
|
25
|
24
|
22
|
|
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