Air Quality
Excellent
No health implications.
15
PM2.5
45
PM10
38
O3
0.6
CO
6
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Sep
46
Excellent
Sat
26 Sep
52
Good
Sun
27 Sep
47
Excellent
Mon
28 Sep
54
Good
Tue
29 Sep
49
Excellent
Wed
30 Sep
50
Excellent
Thu
1 Oct
39
Excellent
Air quality in the last 12 months (Huachuan)
|
2026/08
|
18
|
16
|
21
|
25
|
22
|
22
|
21
|
26
|
29
|
34
|
27
|
30
|
17
|
24
|
30
|
34
|
36
|
27
|
18
|
28
|
29
|
25
|
16
|
13
|
23
|
21
|
20
|
21
|
21
|
16
|
21
|
|
2026/07
|
40
|
36
|
31
|
22
|
23
|
23
|
22
|
16
|
25
|
22
|
22
|
22
|
30
|
31
|
26
|
22
|
25
|
37
|
50
|
42
|
36
|
35
|
33
|
28
|
20
|
18
|
15
|
18
|
20
|
19
|
20
|
|
2026/06
|
75
|
36
|
26
|
19
|
15
|
17
|
17
|
20
|
25
|
30
|
27
|
30
|
31
|
32
|
44
|
34
|
25
|
25
|
30
|
29
|
26
|
28
|
35
|
39
|
32
|
26
|
30
|
28
|
39
|
44
|
|
|
2026/05
|
35
|
35
|
35
|
37
|
57
|
39
|
33
|
39
|
43
|
46
|
46
|
101
|
161
|
65
|
38
|
30
|
27
|
23
|
60
|
44
|
47
|
49
|
47
|
34
|
43
|
31
|
42
|
34
|
37
|
25
|
47
|
|
2026/04
|
92
|
137
|
56
|
44
|
40
|
29
|
25
|
39
|
43
|
45
|
34
|
32
|
26
|
38
|
61
|
49
|
56
|
35
|
33
|
55
|
45
|
23
|
27
|
30
|
35
|
38
|
31
|
30
|
37
|
65
|
|
|
2026/03
|
34
|
39
|
46
|
49
|
42
|
42
|
35
|
42
|
37
|
48
|
36
|
47
|
42
|
45
|
32
|
39
|
54
|
60
|
69
|
43
|
130
|
97
|
52
|
122
|
154
|
94
|
69
|
107
|
79
|
36
|
98
|
|
2026/02
|
39
|
52
|
49
|
55
|
39
|
21
|
22
|
30
|
57
|
73
|
62
|
45
|
64
|
40
|
23
|
44
|
66
|
24
|
41
|
43
|
57
|
69
|
52
|
42
|
43
|
33
|
32
|
27
|
|||
|
2026/01
|
25
|
33
|
35
|
26
|
24
|
40
|
27
|
26
|
51
|
47
|
35
|
70
|
64
|
32
|
46
|
32
|
41
|
52
|
51
|
32
|
26
|
26
|
25
|
42
|
23
|
31
|
38
|
49
|
33
|
32
|
27
|
|
2025/12
|
26
|
29
|
25
|
24
|
33
|
43
|
61
|
50
|
44
|
37
|
19
|
36
|
56
|
85
|
73
|
28
|
27
|
58
|
64
|
37
|
23
|
47
|
44
|
46
|
30
|
21
|
43
|
46
|
41
|
32
|
22
|
|
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
|
|
|
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