Air Quality
Excellent
No health implications.
11
PM2.5
23
PM10
54
O3
0.6
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Dec
64
Good
Wed
17 Dec
58
Good
Thu
18 Dec
79
Good
Fri
19 Dec
59
Good
Sat
20 Dec
60
Good
Sun
21 Dec
62
Good
Mon
22 Dec
24
Excellent
Air quality in the last 12 months (Huachuan)
|
2025/11
|
70
|
51
|
52
|
55
|
102
|
68
|
31
|
66
|
51
|
21
|
32
|
58
|
47
|
33
|
60
|
59
|
44
|
25
|
65
|
78
|
30
|
95
|
115
|
55
|
42
|
58
|
47
|
47
|
49
|
38
|
|
|
2025/10
|
29
|
30
|
49
|
40
|
24
|
40
|
35
|
25
|
40
|
47
|
50
|
37
|
50
|
52
|
47
|
38
|
38
|
16
|
23
|
28
|
29
|
37
|
44
|
89
|
221
|
177
|
93
|
34
|
76
|
90
|
60
|
|
2025/09
|
32
|
28
|
32
|
44
|
46
|
30
|
38
|
36
|
26
|
20
|
28
|
27
|
31
|
33
|
24
|
24
|
17
|
23
|
26
|
28
|
37
|
38
|
49
|
34
|
21
|
16
|
22
|
34
|
30
|
33
|
|
|
2025/08
|
31
|
24
|
20
|
16
|
19
|
20
|
17
|
21
|
31
|
13
|
16
|
22
|
28
|
23
|
26
|
23
|
24
|
34
|
18
|
20
|
35
|
18
|
15
|
23
|
23
|
19
|
31
|
38
|
28
|
20
|
36
|
|
2025/07
|
22
|
24
|
24
|
20
|
32
|
21
|
21
|
39
|
37
|
30
|
32
|
32
|
19
|
24
|
31
|
20
|
22
|
27
|
27
|
27
|
19
|
26
|
29
|
29
|
25
|
23
|
24
|
22
|
30
|
18
|
17
|
|
2025/06
|
35
|
31
|
23
|
22
|
24
|
22
|
22
|
26
|
27
|
20
|
22
|
26
|
31
|
30
|
24
|
33
|
21
|
40
|
45
|
25
|
19
|
25
|
35
|
42
|
51
|
46
|
47
|
57
|
31
|
28
|
|
|
2025/05
|
45
|
39
|
26
|
17
|
29
|
33
|
40
|
45
|
32
|
33
|
47
|
78
|
72
|
50
|
39
|
32
|
29
|
24
|
34
|
34
|
31
|
36
|
28
|
17
|
24
|
33
|
28
|
48
|
50
|
53
|
63
|
|
2025/04
|
64
|
60
|
68
|
63
|
55
|
54
|
57
|
58
|
59
|
91
|
102
|
73
|
66
|
36
|
39
|
36
|
98
|
69
|
32
|
29
|
54
|
40
|
51
|
47
|
37
|
20
|
31
|
26
|
40
|
40
|
|
|
2025/03
|
22
|
24
|
44
|
54
|
52
|
41
|
32
|
51
|
64
|
70
|
46
|
39
|
29
|
25
|
22
|
37
|
42
|
33
|
39
|
89
|
42
|
23
|
19
|
32
|
37
|
30
|
30
|
20
|
31
|
20
|
46
|
|
2025/02
|
72
|
93
|
106
|
59
|
25
|
24
|
46
|
46
|
34
|
39
|
67
|
75
|
43
|
42
|
54
|
28
|
19
|
30
|
50
|
39
|
37
|
23
|
25
|
41
|
58
|
30
|
60
|
56
|
|||
|
2025/01
|
91
|
91
|
86
|
81
|
77
|
64
|
69
|
78
|
48
|
55
|
87
|
112
|
120
|
103
|
49
|
51
|
86
|
111
|
107
|
117
|
106
|
140
|
113
|
125
|
122
|
131
|
72
|
36
|
48
|
48
|
52
|
|
2024/12
|
43
|
28
|
24
|
24
|
27
|
20
|
25
|
35
|
50
|
57
|
31
|
27
|
25
|
43
|
33
|
24
|
24
|
29
|
36
|
56
|
84
|
54
|
50
|
42
|
57
|
22
|
20
|
35
|
43
|
58
|
85
|
|
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