Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
22
O3
0.7
CO
10
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
34
Excellent
Wed
21 Oct
52
Good
Thu
22 Oct
57
Good
Fri
23 Oct
74
Good
Sat
24 Oct
83
Good
Sun
25 Oct
28
Excellent
Mon
26 Oct
32
Excellent
Air quality in the last 12 months (Hongshan)
|
2026/08
|
20
|
26
|
31
|
45
|
53
|
43
|
37
|
40
|
42
|
29
|
19
|
18
|
17
|
23
|
21
|
30
|
36
|
37
|
47
|
37
|
36
|
31
|
25
|
28
|
24
|
27
|
31
|
38
|
33
|
34
|
37
|
|
2026/07
|
31
|
25
|
19
|
17
|
15
|
21
|
17
|
24
|
22
|
34
|
42
|
35
|
41
|
42
|
25
|
26
|
25
|
29
|
39
|
59
|
33
|
19
|
21
|
30
|
38
|
42
|
21
|
19
|
22
|
19
|
20
|
|
2026/06
|
68
|
78
|
42
|
50
|
74
|
62
|
46
|
33
|
39
|
62
|
71
|
46
|
26
|
53
|
65
|
48
|
56
|
48
|
21
|
35
|
28
|
22
|
20
|
23
|
27
|
48
|
85
|
80
|
62
|
25
|
|
|
2026/05
|
44
|
33
|
39
|
37
|
43
|
44
|
52
|
46
|
51
|
48
|
50
|
64
|
40
|
42
|
46
|
36
|
33
|
35
|
24
|
31
|
35
|
34
|
35
|
33
|
41
|
22
|
26
|
52
|
48
|
56
|
55
|
|
2026/04
|
54
|
50
|
34
|
57
|
73
|
84
|
79
|
51
|
31
|
44
|
54
|
46
|
42
|
24
|
37
|
47
|
60
|
62
|
58
|
58
|
35
|
22
|
24
|
32
|
48
|
53
|
62
|
30
|
31
|
38
|
|
|
2026/03
|
29
|
31
|
58
|
78
|
82
|
73
|
86
|
73
|
76
|
73
|
69
|
71
|
59
|
70
|
89
|
27
|
23
|
34
|
73
|
75
|
79
|
67
|
75
|
78
|
78
|
74
|
66
|
66
|
63
|
41
|
58
|
|
2026/02
|
49
|
72
|
82
|
84
|
91
|
99
|
51
|
68
|
55
|
69
|
98
|
111
|
74
|
67
|
91
|
31
|
82
|
88
|
97
|
67
|
51
|
86
|
91
|
33
|
31
|
21
|
44
|
46
|
|||
|
2026/01
|
34
|
57
|
69
|
80
|
78
|
49
|
53
|
66
|
68
|
85
|
73
|
74
|
88
|
85
|
126
|
126
|
173
|
145
|
16
|
52
|
47
|
89
|
92
|
106
|
80
|
127
|
86
|
75
|
51
|
25
|
46
|
|
2025/12
|
105
|
90
|
61
|
78
|
74
|
91
|
115
|
121
|
141
|
136
|
163
|
125
|
35
|
48
|
62
|
72
|
171
|
196
|
135
|
165
|
48
|
43
|
52
|
97
|
64
|
64
|
75
|
81
|
96
|
148
|
88
|
|
2025/11
|
64
|
62
|
60
|
61
|
69
|
59
|
37
|
20
|
36
|
47
|
57
|
38
|
38
|
61
|
88
|
91
|
53
|
24
|
30
|
45
|
64
|
91
|
105
|
87
|
89
|
74
|
109
|
90
|
73
|
88
|
|
|
2025/10
|
52
|
44
|
19
|
38
|
62
|
61
|
37
|
54
|
63
|
51
|
44
|
47
|
16
|
24
|
47
|
26
|
30
|
11
|
13
|
22
|
17
|
24
|
30
|
37
|
50
|
54
|
55
|
71
|
76
|
57
|
40
|
|
2025/09
|
22
|
35
|
35
|
38
|
44
|
31
|
44
|
46
|
25
|
28
|
26
|
27
|
27
|
28
|
30
|
39
|
32
|
21
|
21
|
14
|
32
|
39
|
18
|
9
|
17
|
30
|
42
|
50
|
26
|
30
|
|
|
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