Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
48
PM2.5
91
*
PM10
90
O3
0.5
CO
9
SO2
16
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Jan
63
Good
Sun
18 Jan
57
Good
Mon
19 Jan
57
Good
Tue
20 Jan
64
Good
Wed
21 Jan
64
Good
Thu
22 Jan
71
Good
Fri
23 Jan
38
Excellent
Huachi Air quality rank
Air quality in the last 12 months (Huachi)
|
2025/11
|
51
|
48
|
58
|
47
|
63
|
61
|
42
|
65
|
94
|
74
|
59
|
51
|
51
|
59
|
57
|
58
|
26
|
31
|
42
|
56
|
55
|
56
|
64
|
105
|
58
|
208
|
105
|
65
|
67
|
75
|
|
|
2025/10
|
38
|
23
|
29
|
32
|
33
|
23
|
24
|
16
|
15
|
12
|
17
|
25
|
28
|
26
|
20
|
25
|
34
|
39
|
38
|
27
|
23
|
20
|
39
|
32
|
37
|
38
|
45
|
46
|
44
|
44
|
48
|
|
2025/09
|
23
|
44
|
47
|
16
|
58
|
40
|
48
|
51
|
35
|
26
|
22
|
24
|
33
|
42
|
52
|
41
|
22
|
14
|
15
|
19
|
17
|
13
|
22
|
32
|
30
|
36
|
40
|
48
|
43
|
49
|
|
|
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
|
|
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