Air Quality
Excellent
No health implications.
9
PM2.5
32
PM10
45
O3
0.5
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
64
Good
Tue
6 May
61
Good
Wed
7 May
59
Good
Thu
8 May
64
Good
Fri
9 May
63
Good
Sat
10 May
19
Excellent
Sun
11 May
38
Excellent
Air quality in the last 12 months (Hongyuan)
|
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
|
|
|
2024/08
|
25
|
28
|
22
|
25
|
24
|
25
|
23
|
20
|
33
|
38
|
26
|
30
|
26
|
30
|
24
|
27
|
23
|
24
|
26
|
28
|
27
|
25
|
26
|
25
|
27
|
21
|
24
|
25
|
23
|
21
|
27
|
|
2024/07
|
20
|
25
|
21
|
20
|
19
|
32
|
18
|
15
|
18
|
19
|
23
|
24
|
18
|
18
|
19
|
23
|
19
|
19
|
20
|
16
|
33
|
22
|
24
|
32
|
38
|
39
|
25
|
28
|
25
|
22
|
25
|
|
2024/06
|
24
|
25
|
25
|
27
|
25
|
23
|
30
|
20
|
22
|
30
|
28
|
29
|
29
|
26
|
28
|
20
|
23
|
24
|
20
|
20
|
24
|
20
|
27
|
24
|
23
|
26
|
24
|
22
|
30
|
23
|
|
|
2024/05
|
24
|
20
|
21
|
41
|
45
|
40
|
42
|
26
|
27
|
33
|
32
|
35
|
31
|
24
|
23
|
29
|
46
|
33
|
34
|
45
|
35
|
33
|
39
|
38
|
26
|
34
|
29
|
20
|
14
|
27
|
34
|
|
2024/04
|
31
|
43
|
45
|
32
|
22
|
19
|
21
|
26
|
18
|
26
|
30
|
27
|
28
|
21
|
49
|
53
|
25
|
26
|
36
|
33
|
27
|
20
|
23
|
22
|
26
|
22
|
27
|
34
|
28
|
21
|
|
|
2024/03
|
35
|
40
|
36
|
42
|
34
|
44
|
35
|
35
|
31
|
26
|
31
|
23
|
19
|
23
|
17
|
81
|
50
|
52
|
64
|
41
|
37
|
38
|
47
|
25
|
26
|
20
|
33
|
33
|
24
|
25
|
32
|
|
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