Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
80
O3
0.3
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Apr
63
Good
Tue
14 Apr
58
Good
Wed
15 Apr
67
Good
Thu
16 Apr
58
Good
Fri
17 Apr
67
Good
Sat
18 Apr
69
Good
Sun
19 Apr
38
Excellent
Air quality in the last 12 months (Huachuan)
|
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
|
|
|
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
|
|
|
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