Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
47
PM2.5
106
*
PM10
68
O3
0.6
CO
5
SO2
13
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Jan
62
Good
Sat
31 Jan
65
Good
Sun
1 Feb
71
Good
Mon
2 Feb
78
Good
Tue
3 Feb
75
Good
Wed
4 Feb
72
Good
Thu
5 Feb
41
Excellent
Huachi Air quality rank
Air quality in the last 12 months (Huachi)
|
2025/12
|
69
|
47
|
42
|
51
|
64
|
52
|
44
|
55
|
66
|
75
|
70
|
79
|
95
|
66
|
72
|
62
|
56
|
58
|
58
|
53
|
53
|
68
|
96
|
69
|
48
|
58
|
55
|
50
|
46
|
60
|
42
|
|
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
|
|
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