Air Quality
Excellent
No health implications.
27
PM2.5
50
PM10
48
O3
0.4
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Sep
41
Excellent
Mon
8 Sep
45
Excellent
Tue
9 Sep
40
Excellent
Wed
10 Sep
42
Excellent
Thu
11 Sep
46
Excellent
Fri
12 Sep
43
Excellent
Sat
13 Sep
27
Excellent
Air quality in the last 12 months (Hongyuan)
|
2025/08
|
26
|
30
|
28
|
25
|
24
|
32
|
26
|
22
|
18
|
18
|
29
|
34
|
29
|
28
|
25
|
25
|
24
|
22
|
16
|
14
|
20
|
17
|
20
|
26
|
22
|
19
|
19
|
16
|
21
|
23
|
26
|
|
2025/07
|
30
|
25
|
18
|
18
|
20
|
23
|
24
|
27
|
26
|
30
|
26
|
21
|
25
|
26
|
28
|
35
|
40
|
27
|
35
|
21
|
19
|
25
|
22
|
17
|
24
|
22
|
30
|
25
|
26
|
21
|
22
|
|
2025/06
|
24
|
23
|
24
|
24
|
29
|
34
|
31
|
31
|
28
|
29
|
27
|
28
|
28
|
35
|
35
|
33
|
38
|
28
|
22
|
28
|
28
|
22
|
23
|
21
|
24
|
28
|
30
|
31
|
33
|
25
|
|
|
2025/05
|
34
|
39
|
61
|
45
|
31
|
31
|
38
|
49
|
61
|
49
|
34
|
41
|
37
|
50
|
23
|
40
|
34
|
41
|
39
|
31
|
34
|
50
|
59
|
41
|
30
|
37
|
24
|
27
|
27
|
34
|
33
|
|
2025/04
|
55
|
54
|
53
|
52
|
56
|
37
|
32
|
52
|
53
|
47
|
34
|
56
|
62
|
47
|
45
|
47
|
42
|
66
|
61
|
43
|
53
|
47
|
34
|
32
|
26
|
20
|
29
|
37
|
31
|
35
|
|
|
2025/03
|
33
|
43
|
38
|
33
|
30
|
39
|
66
|
56
|
33
|
38
|
46
|
62
|
40
|
23
|
29
|
32
|
31
|
34
|
39
|
42
|
35
|
34
|
45
|
32
|
23
|
47
|
94
|
48
|
55
|
65
|
62
|
|
2025/02
|
24
|
27
|
36
|
30
|
35
|
37
|
33
|
33
|
30
|
30
|
37
|
48
|
34
|
39
|
40
|
34
|
26
|
25
|
28
|
31
|
28
|
21
|
28
|
28
|
28
|
29
|
36
|
31
|
|||
|
2025/01
|
43
|
49
|
46
|
52
|
41
|
41
|
34
|
42
|
39
|
36
|
32
|
29
|
32
|
39
|
36
|
28
|
36
|
43
|
44
|
42
|
43
|
45
|
43
|
36
|
44
|
49
|
23
|
33
|
54
|
28
|
26
|
|
2024/12
|
46
|
42
|
39
|
34
|
36
|
32
|
37
|
24
|
23
|
28
|
33
|
32
|
27
|
32
|
36
|
38
|
38
|
37
|
36
|
33
|
39
|
32
|
36
|
42
|
45
|
45
|
52
|
47
|
43
|
39
|
36
|
|
2024/11
|
24
|
25
|
27
|
22
|
24
|
22
|
27
|
26
|
28
|
21
|
32
|
22
|
28
|
23
|
23
|
29
|
22
|
25
|
23
|
23
|
27
|
27
|
20
|
22
|
42
|
34
|
32
|
33
|
34
|
42
|
|
|
2024/10
|
23
|
27
|
25
|
27
|
29
|
30
|
27
|
26
|
23
|
20
|
20
|
20
|
23
|
25
|
23
|
21
|
21
|
25
|
17
|
24
|
30
|
30
|
30
|
30
|
23
|
21
|
27
|
30
|
28
|
24
|
21
|
|
2024/09
|
23
|
23
|
22
|
22
|
19
|
17
|
20
|
23
|
18
|
16
|
18
|
20
|
19
|
18
|
17
|
19
|
20
|
20
|
18
|
19
|
16
|
21
|
28
|
30
|
29
|
31
|
33
|
27
|
22
|
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