Air Quality
Excellent
No health implications.
17
PM2.5
37
PM10
72
O3
0.3
CO
9
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
72
Good
Sun
4 May
93
Good
Mon
5 May
103
Light
Tue
6 May
69
Good
Wed
7 May
69
Good
Thu
8 May
69
Good
Fri
9 May
29
Excellent
Air quality in the last 12 months (Huachi)
|
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
|
|
|
2024/08
|
22
|
29
|
18
|
19
|
26
|
25
|
13
|
21
|
72
|
186
|
36
|
27
|
30
|
29
|
29
|
26
|
30
|
24
|
26
|
27
|
28
|
33
|
34
|
34
|
30
|
23
|
17
|
25
|
31
|
30
|
38
|
|
2024/07
|
28
|
30
|
26
|
22
|
59
|
41
|
26
|
33
|
32
|
31
|
27
|
43
|
43
|
42
|
31
|
15
|
20
|
23
|
19
|
26
|
128
|
42
|
24
|
113
|
63
|
39
|
39
|
33
|
22
|
24
|
33
|
|
2024/06
|
52
|
23
|
25
|
33
|
31
|
29
|
26
|
34
|
26
|
26
|
34
|
45
|
45
|
45
|
43
|
34
|
27
|
26
|
30
|
38
|
31
|
57
|
64
|
102
|
75
|
64
|
36
|
47
|
45
|
24
|
|
|
2024/05
|
30
|
32
|
30
|
24
|
33
|
47
|
45
|
48
|
32
|
83
|
98
|
44
|
44
|
53
|
66
|
58
|
69
|
55
|
64
|
49
|
47
|
47
|
37
|
38
|
43
|
38
|
29
|
44
|
45
|
56
|
47
|
|
2024/04
|
73
|
87
|
69
|
57
|
54
|
52
|
54
|
54
|
48
|
35
|
34
|
43
|
48
|
85
|
97
|
65
|
61
|
55
|
162
|
129
|
89
|
116
|
264
|
97
|
57
|
52
|
58
|
77
|
55
|
34
|
|
|
2024/03
|
42
|
50
|
52
|
68
|
67
|
55
|
91
|
52
|
62
|
66
|
72
|
52
|
56
|
62
|
103
|
262
|
89
|
135
|
100
|
69
|
67
|
117
|
93
|
22
|
40
|
45
|
86
|
76
|
64
|
59
|
58
|
|
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