Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
96
O3
0.4
CO
10
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Feb
47
Excellent
Mon
24 Feb
52
Good
Tue
25 Feb
54
Good
Wed
26 Feb
53
Good
Thu
27 Feb
52
Good
Fri
28 Feb
51
Good
Sat
1 Mar
17
Excellent
Air quality in the last 12 months (Hongyuan)
|
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
|
|
2024/02
|
32
|
33
|
29
|
34
|
30
|
35
|
33
|
29
|
37
|
49
|
28
|
32
|
27
|
32
|
32
|
28
|
27
|
44
|
85
|
78
|
64
|
62
|
55
|
58
|
49
|
43
|
41
|
39
|
28
|
||
|
1
|
2
|
3
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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