Air Quality
Excellent
No health implications.
16
PM2.5
17
PM10
57
O3
0.6
CO
10
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Aug
53
Good
Sat
9 Aug
60
Good
Sun
10 Aug
62
Good
Mon
11 Aug
45
Excellent
Tue
12 Aug
44
Excellent
Wed
13 Aug
15
Excellent
Thu
14 Aug
26
Excellent
Air quality in the last 12 months (Huichuan)
|
2025/06
|
18
|
22
|
23
|
29
|
22
|
27
|
37
|
37
|
26
|
29
|
34
|
32
|
34
|
31
|
32
|
28
|
23
|
23
|
18
|
21
|
30
|
22
|
22
|
22
|
25
|
19
|
26
|
23
|
24
|
29
|
|
|
2025/05
|
36
|
50
|
43
|
30
|
31
|
25
|
26
|
20
|
30
|
36
|
41
|
33
|
40
|
45
|
41
|
44
|
33
|
34
|
45
|
45
|
28
|
22
|
29
|
35
|
38
|
42
|
24
|
19
|
22
|
24
|
17
|
|
2025/04
|
50
|
57
|
55
|
60
|
62
|
69
|
62
|
75
|
75
|
65
|
63
|
118
|
214
|
92
|
75
|
68
|
51
|
57
|
35
|
23
|
35
|
31
|
32
|
24
|
36
|
33
|
22
|
30
|
33
|
17
|
|
|
2025/03
|
51
|
92
|
60
|
37
|
34
|
39
|
44
|
42
|
45
|
46
|
39
|
65
|
58
|
44
|
38
|
40
|
36
|
33
|
39
|
47
|
60
|
65
|
69
|
60
|
68
|
59
|
65
|
65
|
33
|
35
|
46
|
|
2025/02
|
41
|
29
|
40
|
44
|
50
|
37
|
36
|
54
|
48
|
60
|
59
|
78
|
53
|
31
|
40
|
46
|
47
|
47
|
37
|
32
|
36
|
32
|
42
|
42
|
35
|
54
|
49
|
60
|
|||
|
2025/01
|
82
|
81
|
86
|
79
|
95
|
85
|
59
|
54
|
39
|
47
|
53
|
47
|
50
|
73
|
62
|
73
|
61
|
59
|
55
|
85
|
85
|
86
|
92
|
56
|
32
|
35
|
44
|
56
|
163
|
62
|
47
|
|
2024/12
|
70
|
82
|
50
|
40
|
28
|
37
|
36
|
43
|
30
|
24
|
34
|
42
|
54
|
56
|
51
|
58
|
60
|
64
|
70
|
87
|
102
|
65
|
63
|
71
|
78
|
61
|
83
|
74
|
75
|
47
|
67
|
|
2024/11
|
49
|
34
|
51
|
47
|
47
|
55
|
55
|
52
|
46
|
40
|
46
|
48
|
59
|
45
|
61
|
46
|
28
|
24
|
23
|
25
|
22
|
29
|
28
|
20
|
27
|
26
|
31
|
35
|
34
|
51
|
|
|
2024/10
|
25
|
25
|
32
|
35
|
35
|
38
|
40
|
30
|
31
|
47
|
54
|
51
|
31
|
23
|
25
|
22
|
20
|
28
|
22
|
20
|
18
|
21
|
26
|
27
|
38
|
36
|
50
|
41
|
40
|
41
|
54
|
|
2024/09
|
26
|
25
|
22
|
22
|
22
|
33
|
30
|
21
|
21
|
24
|
30
|
32
|
29
|
30
|
21
|
36
|
24
|
24
|
26
|
33
|
28
|
22
|
35
|
35
|
38
|
51
|
39
|
35
|
25
|
26
|
|
|
2024/08
|
14
|
13
|
13
|
14
|
16
|
18
|
17
|
18
|
19
|
16
|
42
|
54
|
33
|
27
|
25
|
23
|
24
|
24
|
23
|
22
|
22
|
21
|
18
|
16
|
21
|
21
|
24
|
23
|
24
|
22
|
25
|
|
2024/07
|
18
|
20
|
14
|
17
|
18
|
17
|
18
|
19
|
18
|
18
|
19
|
18
|
17
|
18
|
15
|
16
|
21
|
18
|
13
|
14
|
14
|
14
|
17
|
16
|
16
|
24
|
26
|
21
|
15
|
15
|
14
|
|
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