Air Quality
Excellent
No health implications.
10
PM2.5
24
PM10
27
O3
0.5
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
43
Excellent
Mon
26 May
55
Good
Tue
27 May
46
Excellent
Wed
28 May
76
Good
Thu
29 May
77
Good
Fri
30 May
24
Excellent
Sat
31 May
45
Excellent
Huachuan Air quality rank
Air quality in the last 12 months (Huachuan)
|
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
|
|
2024/11
|
81
|
42
|
59
|
34
|
57
|
14
|
41
|
64
|
66
|
48
|
66
|
41
|
98
|
120
|
65
|
46
|
18
|
19
|
63
|
79
|
78
|
32
|
38
|
58
|
68
|
27
|
31
|
33
|
50
|
21
|
|
|
2024/10
|
28
|
26
|
36
|
39
|
44
|
33
|
46
|
52
|
61
|
54
|
31
|
24
|
41
|
47
|
20
|
23
|
40
|
44
|
23
|
41
|
37
|
26
|
31
|
36
|
57
|
50
|
49
|
61
|
79
|
66
|
67
|
|
2024/09
|
14
|
18
|
19
|
24
|
21
|
21
|
24
|
25
|
42
|
20
|
23
|
26
|
24
|
35
|
26
|
35
|
24
|
29
|
36
|
15
|
33
|
35
|
47
|
52
|
26
|
18
|
34
|
37
|
39
|
25
|
|
|
2024/08
|
14
|
21
|
21
|
20
|
15
|
21
|
25
|
24
|
26
|
26
|
17
|
21
|
16
|
18
|
32
|
34
|
42
|
23
|
20
|
29
|
26
|
19
|
25
|
22
|
22
|
26
|
23
|
24
|
26
|
20
|
15
|
|
2024/07
|
74
|
56
|
62
|
45
|
45
|
65
|
73
|
79
|
72
|
48
|
61
|
47
|
38
|
52
|
61
|
54
|
40
|
21
|
28
|
31
|
26
|
21
|
25
|
19
|
32
|
22
|
14
|
17
|
18
|
17
|
22
|
|
2024/06
|
16
|
29
|
21
|
20
|
33
|
27
|
36
|
30
|
24
|
18
|
22
|
21
|
26
|
14
|
13
|
12
|
15
|
20
|
22
|
16
|
17
|
15
|
12
|
13
|
18
|
23
|
31
|
42
|
38
|
56
|
|
|
2024/05
|
48
|
56
|
44
|
106
|
116
|
57
|
46
|
51
|
35
|
47
|
20
|
18
|
24
|
25
|
21
|
26
|
40
|
45
|
36
|
27
|
43
|
37
|
21
|
15
|
22
|
27
|
16
|
25
|
17
|
24
|
21
|
|
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