Air Quality
Excellent
No health implications.
6
PM2.5
12
PM10
98
O3
0.5
CO
10
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
66
Good
Sun
24 May
100
Good
Mon
25 May
54
Good
Tue
26 May
60
Good
Wed
27 May
67
Good
Thu
28 May
98
Good
Fri
29 May
30
Excellent
Air quality in the last 12 months (Hongshan)
|
2026/04
|
35
|
49
|
81
|
49
|
48
|
25
|
24
|
46
|
26
|
34
|
55
|
46
|
38
|
44
|
71
|
57
|
42
|
45
|
108
|
129
|
30
|
32
|
45
|
47
|
46
|
33
|
27
|
24
|
29
|
27
|
|
|
2026/03
|
48
|
47
|
75
|
73
|
38
|
33
|
40
|
51
|
31
|
54
|
30
|
42
|
76
|
37
|
56
|
60
|
72
|
40
|
43
|
52
|
70
|
83
|
72
|
87
|
63
|
53
|
31
|
34
|
45
|
39
|
41
|
|
2026/02
|
25
|
22
|
27
|
46
|
46
|
17
|
21
|
24
|
52
|
44
|
42
|
72
|
46
|
48
|
19
|
51
|
104
|
26
|
36
|
65
|
244
|
45
|
24
|
49
|
82
|
42
|
39
|
46
|
|||
|
2026/01
|
39
|
63
|
80
|
50
|
37
|
25
|
21
|
40
|
69
|
19
|
24
|
45
|
32
|
72
|
50
|
26
|
34
|
22
|
30
|
23
|
26
|
34
|
38
|
36
|
45
|
49
|
32
|
47
|
44
|
61
|
38
|
|
2025/12
|
21
|
19
|
19
|
23
|
35
|
38
|
34
|
20
|
55
|
59
|
27
|
63
|
45
|
33
|
59
|
71
|
47
|
62
|
71
|
20
|
25
|
53
|
57
|
16
|
22
|
65
|
68
|
48
|
28
|
24
|
27
|
|
2025/11
|
28
|
21
|
53
|
53
|
68
|
57
|
54
|
50
|
16
|
19
|
30
|
56
|
22
|
41
|
66
|
45
|
19
|
21
|
23
|
21
|
21
|
35
|
70
|
56
|
23
|
41
|
22
|
57
|
52
|
31
|
|
|
2025/10
|
42
|
42
|
39
|
36
|
18
|
21
|
44
|
21
|
20
|
26
|
35
|
34
|
46
|
58
|
42
|
29
|
32
|
17
|
13
|
20
|
36
|
43
|
58
|
63
|
42
|
18
|
18
|
52
|
70
|
52
|
36
|
|
2025/09
|
19
|
20
|
34
|
34
|
35
|
18
|
14
|
17
|
25
|
27
|
42
|
30
|
45
|
18
|
13
|
14
|
17
|
18
|
24
|
27
|
39
|
37
|
21
|
17
|
30
|
34
|
41
|
36
|
30
|
29
|
|
|
2025/08
|
29
|
34
|
24
|
27
|
26
|
30
|
17
|
25
|
14
|
19
|
26
|
23
|
16
|
22
|
23
|
18
|
22
|
28
|
26
|
27
|
24
|
15
|
21
|
20
|
24
|
17
|
26
|
19
|
29
|
17
|
25
|
|
2025/07
|
33
|
19
|
26
|
24
|
21
|
15
|
22
|
27
|
33
|
37
|
44
|
36
|
17
|
21
|
28
|
16
|
15
|
25
|
44
|
19
|
16
|
20
|
34
|
28
|
18
|
14
|
17
|
26
|
15
|
14
|
20
|
|
2025/06
|
27
|
33
|
34
|
25
|
37
|
19
|
15
|
17
|
31
|
20
|
27
|
46
|
35
|
33
|
13
|
17
|
22
|
43
|
21
|
15
|
19
|
19
|
28
|
44
|
44
|
42
|
41
|
25
|
32
|
34
|
|
|
2025/05
|
33
|
21
|
24
|
27
|
27
|
24
|
45
|
62
|
24
|
32
|
33
|
43
|
46
|
37
|
47
|
39
|
40
|
19
|
41
|
40
|
50
|
93
|
31
|
38
|
47
|
44
|
26
|
28
|
45
|
70
|
40
|
|
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