Air Quality
Excellent
No health implications.
12
PM2.5
26
PM10
85
O3
0.2
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Oct
48
Excellent
Fri
10 Oct
53
Good
Sat
11 Oct
49
Excellent
Sun
12 Oct
48
Excellent
Mon
13 Oct
47
Excellent
Tue
14 Oct
36
Excellent
Wed
15 Oct
46
Excellent
Air quality in the last 12 months (Huayuan)
|
2025/08
|
26
|
26
|
25
|
27
|
26
|
25
|
17
|
12
|
22
|
23
|
18
|
12
|
17
|
20
|
14
|
17
|
21
|
25
|
20
|
16
|
14
|
23
|
22
|
21
|
20
|
20
|
21
|
21
|
26
|
26
|
23
|
|
2025/07
|
17
|
17
|
16
|
15
|
17
|
19
|
25
|
27
|
29
|
24
|
30
|
30
|
28
|
22
|
20
|
18
|
22
|
24
|
28
|
26
|
14
|
11
|
12
|
14
|
15
|
19
|
23
|
19
|
22
|
19
|
22
|
|
2025/06
|
10
|
22
|
28
|
27
|
31
|
36
|
27
|
24
|
28
|
27
|
28
|
27
|
23
|
20
|
22
|
27
|
18
|
15
|
14
|
17
|
12
|
15
|
17
|
25
|
19
|
15
|
18
|
19
|
20
|
21
|
|
|
2025/05
|
40
|
57
|
50
|
43
|
32
|
43
|
59
|
26
|
19
|
21
|
31
|
34
|
38
|
53
|
35
|
28
|
36
|
40
|
42
|
39
|
31
|
26
|
33
|
49
|
42
|
32
|
26
|
16
|
25
|
26
|
23
|
|
2025/04
|
41
|
47
|
49
|
57
|
56
|
56
|
54
|
60
|
54
|
46
|
51
|
41
|
145
|
92
|
72
|
64
|
59
|
61
|
29
|
36
|
36
|
35
|
41
|
33
|
43
|
38
|
26
|
31
|
39
|
21
|
|
|
2025/03
|
46
|
45
|
12
|
23
|
24
|
26
|
31
|
29
|
36
|
45
|
48
|
51
|
55
|
31
|
18
|
34
|
45
|
28
|
31
|
35
|
40
|
53
|
46
|
48
|
50
|
62
|
81
|
71
|
50
|
35
|
47
|
|
2025/02
|
35
|
22
|
42
|
44
|
55
|
57
|
53
|
82
|
51
|
47
|
51
|
68
|
58
|
42
|
42
|
45
|
32
|
30
|
33
|
48
|
90
|
36
|
53
|
83
|
58
|
37
|
40
|
47
|
|||
|
2025/01
|
97
|
110
|
112
|
137
|
95
|
69
|
54
|
53
|
46
|
60
|
72
|
67
|
80
|
76
|
75
|
68
|
80
|
95
|
84
|
81
|
98
|
138
|
154
|
100
|
18
|
26
|
42
|
70
|
150
|
94
|
54
|
|
2024/12
|
40
|
49
|
66
|
57
|
28
|
28
|
35
|
29
|
37
|
29
|
34
|
49
|
60
|
58
|
48
|
46
|
55
|
61
|
68
|
76
|
86
|
65
|
56
|
58
|
65
|
74
|
70
|
80
|
97
|
116
|
87
|
|
2024/11
|
42
|
50
|
51
|
47
|
52
|
46
|
43
|
43
|
41
|
32
|
31
|
50
|
54
|
52
|
64
|
47
|
10
|
9
|
10
|
14
|
18
|
21
|
36
|
32
|
14
|
17
|
20
|
23
|
29
|
34
|
|
|
2024/10
|
13
|
29
|
39
|
38
|
41
|
45
|
40
|
30
|
36
|
40
|
57
|
68
|
44
|
37
|
34
|
33
|
24
|
23
|
19
|
15
|
24
|
24
|
25
|
32
|
25
|
31
|
36
|
35
|
31
|
33
|
36
|
|
2024/09
|
29
|
30
|
41
|
45
|
47
|
40
|
41
|
36
|
25
|
31
|
28
|
31
|
23
|
24
|
35
|
35
|
26
|
24
|
29
|
28
|
27
|
19
|
25
|
32
|
37
|
44
|
42
|
52
|
57
|
43
|
|
|
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