Air Quality
Excellent
No health implications.
6
PM2.5
19
PM10
69
O3
0.2
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
52
Good
Mon
23 Jun
63
Good
Tue
24 Jun
102
Light
Wed
25 Jun
95
Good
Thu
26 Jun
104
Light
Fri
27 Jun
93
Good
Sat
28 Jun
41
Excellent
Air quality in the last 12 months (Huachuan)
|
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
|
|
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
|
|
|
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