Air Quality
Excellent
No health implications.
13
PM2.5
34
PM10
55
O3
0.3
CO
8
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Mar
63
Good
Sat
29 Mar
59
Good
Sun
30 Mar
58
Good
Mon
31 Mar
57
Good
Tue
1 Apr
56
Good
Wed
2 Apr
33
Excellent
Thu
3 Apr
46
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