Air Quality
Excellent
No health implications.
14
PM2.5
20
PM10
52
O3
0.8
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Dec
52
Good
Sat
28 Dec
53
Good
Sun
29 Dec
65
Good
Mon
30 Dec
65
Good
Tue
31 Dec
76
Good
Wed
1 Jan
67
Good
Thu
2 Jan
48
Excellent
Air quality in the last 12 months (Huachuan)
|
2024/11
|
81
|
42
|
59
|
34
|
57
|
14
|
41
|
64
|
66
|
48
|
66
|
41
|
98
|
120
|
65
|
46
|
18
|
19
|
63
|
79
|
78
|
32
|
38
|
58
|
68
|
27
|
31
|
33
|
50
|
21
|
|
|
2024/10
|
28
|
26
|
36
|
39
|
44
|
33
|
46
|
52
|
61
|
54
|
31
|
24
|
41
|
47
|
20
|
23
|
40
|
44
|
23
|
41
|
37
|
26
|
31
|
36
|
57
|
50
|
49
|
61
|
79
|
66
|
67
|
|
2024/09
|
14
|
18
|
19
|
24
|
21
|
21
|
24
|
25
|
42
|
20
|
23
|
26
|
24
|
35
|
26
|
35
|
24
|
29
|
36
|
15
|
33
|
35
|
47
|
52
|
26
|
18
|
34
|
37
|
39
|
25
|
|
|
2024/08
|
14
|
21
|
21
|
20
|
15
|
21
|
25
|
24
|
26
|
26
|
17
|
21
|
16
|
18
|
32
|
34
|
42
|
23
|
20
|
29
|
26
|
19
|
25
|
22
|
22
|
26
|
23
|
24
|
26
|
20
|
15
|
|
2024/07
|
74
|
56
|
62
|
45
|
45
|
65
|
73
|
79
|
72
|
48
|
61
|
47
|
38
|
52
|
61
|
54
|
40
|
21
|
28
|
31
|
26
|
21
|
25
|
19
|
32
|
22
|
14
|
17
|
18
|
17
|
22
|
|
2024/06
|
16
|
29
|
21
|
20
|
33
|
27
|
36
|
30
|
24
|
18
|
22
|
21
|
26
|
14
|
13
|
12
|
15
|
20
|
22
|
16
|
17
|
15
|
12
|
13
|
18
|
23
|
31
|
42
|
38
|
56
|
|
|
2024/05
|
48
|
56
|
44
|
106
|
116
|
57
|
46
|
51
|
35
|
47
|
20
|
18
|
24
|
25
|
21
|
26
|
40
|
45
|
36
|
27
|
43
|
37
|
21
|
15
|
22
|
27
|
16
|
25
|
17
|
24
|
21
|
|
2024/04
|
19
|
27
|
50
|
31
|
46
|
64
|
36
|
25
|
31
|
67
|
83
|
72
|
67
|
75
|
103
|
50
|
37
|
43
|
19
|
48
|
99
|
112
|
116
|
97
|
67
|
46
|
33
|
37
|
49
|
51
|
|
|
2024/03
|
29
|
24
|
31
|
32
|
31
|
38
|
39
|
30
|
29
|
41
|
41
|
33
|
62
|
58
|
43
|
27
|
23
|
25
|
46
|
42
|
45
|
49
|
39
|
28
|
42
|
55
|
47
|
219
|
161
|
39
|
19
|
|
2024/02
|
30
|
41
|
51
|
48
|
70
|
82
|
67
|
53
|
87
|
135
|
109
|
64
|
70
|
34
|
35
|
41
|
42
|
46
|
27
|
26
|
26
|
25
|
27
|
48
|
80
|
56
|
51
|
44
|
48
|
||
|
2024/01
|
56
|
67
|
111
|
101
|
59
|
51
|
65
|
34
|
42
|
44
|
40
|
73
|
66
|
44
|
22
|
34
|
79
|
41
|
53
|
43
|
27
|
25
|
27
|
35
|
40
|
71
|
118
|
136
|
145
|
72
|
59
|
|
2023/12
|
40
|
55
|
65
|
38
|
52
|
46
|
34
|
40
|
32
|
25
|
31
|
57
|
33
|
41
|
26
|
26
|
24
|
32
|
55
|
28
|
38
|
48
|
67
|
76
|
62
|
52
|
52
|
80
|
82
|
64
|
34
|
|
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