Air Quality
Excellent
No health implications.
14
PM2.5
18
PM10
50
O3
0.5
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Sep
55
Good
Sat
19 Sep
59
Good
Sun
20 Sep
60
Good
Mon
21 Sep
74
Good
Tue
22 Sep
67
Good
Wed
23 Sep
44
Excellent
Thu
24 Sep
30
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