Air Quality
Excellent
No health implications.
16
PM2.5
23
PM10
19
O3
0.5
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Sep
49
Excellent
Fri
25 Sep
45
Excellent
Sat
26 Sep
42
Excellent
Sun
27 Sep
51
Good
Mon
28 Sep
57
Good
Tue
29 Sep
25
Excellent
Wed
30 Sep
28
Excellent
Air quality in the last 12 months (Huayuan)
|
2026/08
|
18
|
17
|
16
|
15
|
14
|
17
|
25
|
24
|
30
|
25
|
21
|
16
|
15
|
17
|
26
|
26
|
29
|
27
|
25
|
31
|
31
|
29
|
27
|
23
|
18
|
20
|
23
|
25
|
26
|
25
|
32
|
|
2026/07
|
19
|
15
|
12
|
13
|
12
|
13
|
17
|
17
|
16
|
17
|
18
|
19
|
20
|
24
|
28
|
17
|
17
|
15
|
18
|
28
|
29
|
30
|
27
|
27
|
22
|
22
|
20
|
14
|
19
|
20
|
16
|
|
2026/06
|
31
|
30
|
25
|
28
|
42
|
40
|
30
|
26
|
21
|
23
|
23
|
20
|
17
|
21
|
27
|
32
|
36
|
42
|
17
|
15
|
16
|
15
|
17
|
17
|
20
|
27
|
33
|
38
|
29
|
16
|
|
|
2026/05
|
33
|
37
|
27
|
33
|
37
|
43
|
39
|
33
|
28
|
34
|
46
|
54
|
24
|
28
|
42
|
35
|
16
|
16
|
16
|
18
|
25
|
24
|
25
|
28
|
33
|
25
|
17
|
22
|
34
|
34
|
31
|
|
2026/04
|
25
|
22
|
21
|
37
|
47
|
28
|
35
|
33
|
37
|
38
|
24
|
24
|
27
|
24
|
19
|
19
|
27
|
35
|
33
|
33
|
20
|
15
|
18
|
25
|
35
|
41
|
27
|
23
|
25
|
32
|
|
|
2026/03
|
11
|
16
|
24
|
29
|
35
|
50
|
54
|
17
|
22
|
31
|
30
|
49
|
60
|
56
|
40
|
20
|
18
|
18
|
37
|
43
|
32
|
31
|
29
|
22
|
29
|
20
|
20
|
28
|
26
|
20
|
32
|
|
2026/02
|
52
|
65
|
70
|
86
|
93
|
81
|
120
|
74
|
54
|
56
|
57
|
63
|
69
|
64
|
60
|
26
|
54
|
60
|
50
|
52
|
55
|
53
|
35
|
42
|
49
|
15
|
19
|
16
|
|||
|
2026/01
|
27
|
54
|
66
|
48
|
53
|
50
|
53
|
53
|
57
|
74
|
67
|
80
|
86
|
109
|
98
|
102
|
98
|
134
|
44
|
29
|
59
|
62
|
70
|
76
|
58
|
34
|
67
|
77
|
50
|
18
|
48
|
|
2025/12
|
57
|
83
|
73
|
56
|
58
|
53
|
57
|
54
|
62
|
77
|
71
|
135
|
27
|
40
|
47
|
53
|
59
|
66
|
73
|
70
|
33
|
51
|
23
|
43
|
51
|
54
|
56
|
57
|
79
|
99
|
61
|
|
2025/11
|
25
|
25
|
17
|
22
|
24
|
16
|
14
|
10
|
12
|
26
|
39
|
34
|
33
|
38
|
41
|
41
|
43
|
18
|
25
|
28
|
30
|
36
|
42
|
33
|
48
|
44
|
45
|
50
|
53
|
50
|
|
|
2025/10
|
24
|
24
|
23
|
24
|
32
|
27
|
28
|
34
|
33
|
29
|
34
|
45
|
22
|
13
|
21
|
14
|
15
|
8
|
8
|
8
|
8
|
23
|
28
|
32
|
46
|
35
|
26
|
29
|
37
|
37
|
27
|
|
2025/09
|
24
|
24
|
25
|
20
|
25
|
29
|
25
|
29
|
15
|
12
|
19
|
24
|
21
|
21
|
22
|
26
|
27
|
16
|
14
|
12
|
22
|
24
|
17
|
19
|
19
|
16
|
21
|
23
|
24
|
23
|
|
|
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