Air Quality
Excellent
No health implications.
7
PM2.5
17
PM10
44
O3
0.3
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
44
Excellent
Wed
17 Sep
41
Excellent
Thu
18 Sep
42
Excellent
Fri
19 Sep
45
Excellent
Sat
20 Sep
48
Excellent
Sun
21 Sep
34
Excellent
Mon
22 Sep
45
Excellent
Hongyuan Air quality rank
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