Air Quality
Excellent
No health implications.
21
PM2.5
26
PM10
40
O3
0.6
CO
3
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Oct
49
Excellent
Thu
23 Oct
53
Good
Fri
24 Oct
54
Good
Sat
25 Oct
52
Good
Sun
26 Oct
53
Good
Mon
27 Oct
50
Excellent
Tue
28 Oct
50
Excellent
Air quality in the last 12 months (Huachi)
|
2025/08
|
32
|
34
|
33
|
30
|
38
|
44
|
32
|
24
|
22
|
28
|
41
|
36
|
34
|
34
|
29
|
17
|
17
|
21
|
25
|
53
|
39
|
40
|
12
|
20
|
24
|
28
|
18
|
19
|
16
|
18
|
22
|
|
2025/07
|
24
|
19
|
26
|
32
|
23
|
29
|
21
|
27
|
19
|
27
|
30
|
36
|
37
|
35
|
47
|
35
|
29
|
34
|
46
|
23
|
24
|
28
|
23
|
18
|
19
|
17
|
20
|
27
|
29
|
25
|
37
|
|
2025/06
|
32
|
39
|
29
|
34
|
29
|
41
|
58
|
35
|
49
|
38
|
49
|
51
|
52
|
58
|
48
|
57
|
46
|
38
|
32
|
30
|
36
|
36
|
30
|
36
|
28
|
24
|
24
|
27
|
31
|
21
|
|
|
2025/05
|
101
|
128
|
51
|
94
|
309
|
244
|
106
|
103
|
91
|
47
|
42
|
52
|
66
|
74
|
59
|
123
|
217
|
71
|
57
|
55
|
60
|
154
|
50
|
52
|
34
|
28
|
40
|
48
|
43
|
65
|
32
|
|
2025/04
|
58
|
59
|
93
|
118
|
72
|
89
|
77
|
111
|
106
|
59
|
220
|
205
|
115
|
49
|
55
|
193
|
93
|
94
|
94
|
74
|
152
|
118
|
64
|
53
|
58
|
53
|
47
|
31
|
69
|
171
|
|
|
2025/03
|
76
|
44
|
34
|
35
|
49
|
43
|
71
|
71
|
92
|
61
|
292
|
183
|
79
|
45
|
68
|
37
|
40
|
35
|
38
|
50
|
56
|
63
|
143
|
283
|
183
|
378
|
166
|
118
|
47
|
57
|
55
|
|
2025/02
|
77
|
38
|
34
|
39
|
36
|
78
|
55
|
38
|
52
|
54
|
72
|
61
|
49
|
52
|
55
|
79
|
67
|
62
|
49
|
54
|
60
|
44
|
29
|
44
|
62
|
55
|
56
|
60
|
|||
|
2025/01
|
52
|
54
|
57
|
77
|
68
|
32
|
36
|
35
|
42
|
50
|
79
|
79
|
137
|
39
|
34
|
48
|
50
|
56
|
56
|
49
|
59
|
73
|
142
|
174
|
67
|
79
|
55
|
66
|
82
|
65
|
46
|
|
2024/12
|
41
|
41
|
54
|
44
|
40
|
33
|
30
|
33
|
57
|
49
|
66
|
54
|
52
|
39
|
46
|
49
|
54
|
34
|
57
|
49
|
34
|
46
|
57
|
78
|
65
|
53
|
39
|
42
|
56
|
56
|
53
|
|
2024/11
|
34
|
29
|
42
|
40
|
52
|
59
|
67
|
61
|
70
|
61
|
64
|
47
|
40
|
31
|
64
|
49
|
37
|
32
|
35
|
47
|
54
|
45
|
71
|
46
|
48
|
59
|
64
|
50
|
31
|
33
|
|
|
2024/10
|
52
|
36
|
40
|
33
|
46
|
44
|
35
|
54
|
50
|
44
|
49
|
48
|
47
|
50
|
50
|
55
|
42
|
29
|
16
|
27
|
19
|
26
|
38
|
41
|
49
|
46
|
42
|
38
|
44
|
32
|
32
|
|
2024/09
|
42
|
31
|
30
|
38
|
26
|
30
|
24
|
33
|
46
|
36
|
34
|
32
|
25
|
24
|
34
|
29
|
32
|
33
|
35
|
32
|
24
|
31
|
43
|
53
|
37
|
49
|
63
|
60
|
32
|
46
|
|
|
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