Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
31
PM2.5
68
*
PM10
76
O3
0.2
CO
7
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Sep
59
Good
Sat
6 Sep
59
Good
Sun
7 Sep
61
Good
Mon
8 Sep
61
Good
Tue
9 Sep
68
Good
Wed
10 Sep
70
Good
Thu
11 Sep
30
Excellent
Huachi Air quality rank
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