Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
58
*
PM10
28
O3
0.7
CO
10
SO2
17
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Feb
60
Good
Thu
13 Feb
80
Good
Fri
14 Feb
48
Excellent
Sat
15 Feb
52
Good
Sun
16 Feb
63
Good
Mon
17 Feb
26
Excellent
Tue
18 Feb
39
Excellent
Air quality in the last 12 months (Huichuan)
|
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
|
|
2024/06
|
26
|
20
|
19
|
19
|
26
|
18
|
17
|
12
|
12
|
20
|
17
|
15
|
21
|
26
|
29
|
20
|
15
|
13
|
14
|
17
|
20
|
15
|
17
|
20
|
18
|
16
|
14
|
16
|
12
|
18
|
|
|
2024/05
|
21
|
22
|
18
|
16
|
29
|
32
|
28
|
39
|
34
|
26
|
20
|
22
|
24
|
30
|
30
|
29
|
41
|
20
|
18
|
25
|
16
|
18
|
27
|
29
|
22
|
19
|
24
|
31
|
28
|
15
|
23
|
|
2024/04
|
33
|
44
|
27
|
21
|
28
|
20
|
28
|
23
|
29
|
36
|
30
|
29
|
35
|
36
|
48
|
36
|
23
|
20
|
22
|
21
|
38
|
39
|
23
|
31
|
26
|
31
|
26
|
28
|
36
|
21
|
|
|
2024/03
|
54
|
55
|
48
|
39
|
35
|
30
|
53
|
52
|
46
|
52
|
54
|
53
|
39
|
41
|
32
|
33
|
24
|
23
|
36
|
50
|
55
|
55
|
38
|
36
|
31
|
25
|
29
|
35
|
36
|
38
|
57
|
|
2024/02
|
32
|
21
|
20
|
25
|
27
|
28
|
39
|
50
|
101
|
226
|
58
|
45
|
51
|
58
|
61
|
36
|
40
|
48
|
59
|
55
|
36
|
22
|
23
|
27
|
24
|
31
|
45
|
47
|
48
|
||
|
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