Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
41
O3
0.3
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Apr
51
Good
Mon
20 Apr
46
Excellent
Tue
21 Apr
52
Good
Wed
22 Apr
52
Good
Thu
23 Apr
53
Good
Fri
24 Apr
45
Excellent
Sat
25 Apr
23
Excellent
Air quality in the last 12 months (Hongyuan)
|
2026/03
|
34
|
30
|
36
|
40
|
53
|
42
|
41
|
34
|
29
|
28
|
31
|
31
|
38
|
37
|
48
|
29
|
26
|
31
|
34
|
41
|
34
|
43
|
40
|
36
|
29
|
29
|
38
|
39
|
30
|
30
|
39
|
|
2026/02
|
46
|
43
|
43
|
42
|
49
|
54
|
38
|
29
|
33
|
48
|
38
|
34
|
38
|
32
|
45
|
31
|
46
|
34
|
37
|
27
|
26
|
25
|
53
|
38
|
33
|
43
|
30
|
32
|
|||
|
2026/01
|
39
|
33
|
31
|
39
|
38
|
35
|
33
|
33
|
37
|
36
|
35
|
38
|
43
|
40
|
43
|
39
|
39
|
48
|
48
|
40
|
39
|
42
|
33
|
29
|
50
|
85
|
65
|
57
|
50
|
44
|
45
|
|
2025/12
|
39
|
46
|
40
|
38
|
37
|
36
|
42
|
41
|
37
|
33
|
34
|
63
|
50
|
39
|
38
|
46
|
43
|
39
|
46
|
40
|
39
|
40
|
46
|
46
|
40
|
32
|
37
|
36
|
37
|
33
|
36
|
|
2025/11
|
26
|
24
|
24
|
21
|
18
|
18
|
34
|
50
|
35
|
25
|
26
|
30
|
27
|
29
|
31
|
29
|
42
|
30
|
28
|
36
|
36
|
34
|
34
|
48
|
52
|
39
|
41
|
42
|
43
|
39
|
|
|
2025/10
|
18
|
24
|
21
|
19
|
19
|
16
|
18
|
18
|
21
|
17
|
15
|
21
|
24
|
24
|
24
|
27
|
25
|
26
|
23
|
22
|
20
|
17
|
18
|
17
|
20
|
23
|
27
|
27
|
25
|
26
|
33
|
|
2025/09
|
22
|
22
|
21
|
20
|
24
|
40
|
38
|
31
|
32
|
22
|
21
|
27
|
34
|
31
|
22
|
18
|
22
|
16
|
22
|
22
|
16
|
22
|
26
|
31
|
32
|
24
|
23
|
18
|
20
|
18
|
|
|
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
|
|
|
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