Air Quality
Excellent
No health implications.
21
PM2.5
30
PM10
88
O3
0.6
CO
4
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Mar
54
Good
Sat
21 Mar
96
Good
Sun
22 Mar
87
Good
Mon
23 Mar
76
Good
Tue
24 Mar
78
Good
Wed
25 Mar
56
Good
Thu
26 Mar
20
Excellent
Air quality in the last 12 months (Huachuan)
|
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
|
|
|
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
|
|
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