Air Quality
Excellent
No health implications.
6
PM2.5
14
PM10
49
O3
0.5
CO
5
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
53
Good
Fri
23 May
64
Good
Sat
24 May
79
Good
Sun
25 May
89
Good
Mon
26 May
95
Good
Tue
27 May
93
Good
Wed
28 May
29
Excellent
Air quality in the last 12 months (Honghu)
|
2025/04
|
62
|
55
|
56
|
59
|
65
|
65
|
62
|
61
|
58
|
36
|
45
|
195
|
119
|
116
|
56
|
54
|
64
|
65
|
59
|
62
|
35
|
43
|
54
|
45
|
53
|
45
|
40
|
58
|
56
|
34
|
|
|
2025/03
|
55
|
35
|
14
|
30
|
37
|
47
|
55
|
55
|
51
|
44
|
35
|
54
|
45
|
35
|
26
|
44
|
34
|
39
|
44
|
42
|
44
|
49
|
55
|
51
|
48
|
62
|
89
|
67
|
71
|
63
|
65
|
|
2025/02
|
63
|
55
|
74
|
71
|
53
|
41
|
80
|
45
|
42
|
54
|
52
|
70
|
93
|
75
|
66
|
54
|
47
|
35
|
47
|
57
|
59
|
41
|
82
|
87
|
69
|
54
|
41
|
53
|
|||
|
2025/01
|
91
|
123
|
158
|
191
|
73
|
72
|
73
|
73
|
64
|
55
|
72
|
78
|
93
|
108
|
71
|
69
|
81
|
101
|
103
|
125
|
110
|
107
|
200
|
95
|
20
|
36
|
54
|
81
|
171
|
72
|
105
|
|
2024/12
|
48
|
63
|
94
|
76
|
43
|
51
|
46
|
67
|
54
|
60
|
64
|
82
|
75
|
55
|
58
|
50
|
66
|
77
|
67
|
86
|
87
|
59
|
66
|
85
|
96
|
124
|
136
|
59
|
50
|
99
|
118
|
|
2024/11
|
72
|
88
|
77
|
81
|
59
|
60
|
49
|
50
|
56
|
48
|
57
|
58
|
59
|
76
|
88
|
75
|
21
|
18
|
24
|
28
|
41
|
49
|
62
|
66
|
32
|
29
|
41
|
49
|
51
|
47
|
|
|
2024/10
|
25
|
60
|
46
|
36
|
53
|
88
|
41
|
35
|
58
|
78
|
89
|
124
|
164
|
82
|
73
|
56
|
34
|
26
|
21
|
29
|
29
|
19
|
29
|
40
|
52
|
50
|
62
|
88
|
69
|
60
|
49
|
|
2024/09
|
41
|
48
|
49
|
42
|
48
|
50
|
49
|
37
|
44
|
44
|
39
|
37
|
34
|
36
|
48
|
37
|
47
|
42
|
30
|
38
|
41
|
33
|
37
|
45
|
55
|
73
|
70
|
56
|
32
|
48
|
|
|
2024/08
|
11
|
15
|
17
|
18
|
21
|
24
|
26
|
25
|
24
|
26
|
64
|
65
|
33
|
37
|
34
|
32
|
35
|
40
|
34
|
29
|
30
|
32
|
22
|
21
|
22
|
31
|
24
|
20
|
42
|
40
|
36
|
|
2024/07
|
14
|
19
|
18
|
14
|
16
|
15
|
18
|
19
|
20
|
23
|
34
|
33
|
26
|
26
|
24
|
21
|
16
|
16
|
14
|
14
|
17
|
17
|
21
|
27
|
33
|
26
|
18
|
8
|
8
|
12
|
13
|
|
2024/06
|
19
|
37
|
34
|
18
|
22
|
26
|
28
|
34
|
20
|
12
|
20
|
25
|
24
|
23
|
26
|
30
|
34
|
23
|
13
|
18
|
20
|
9
|
12
|
13
|
17
|
21
|
10
|
12
|
10
|
10
|
|
|
2024/05
|
29
|
31
|
26
|
21
|
26
|
25
|
40
|
49
|
43
|
41
|
48
|
101
|
76
|
62
|
63
|
56
|
56
|
46
|
55
|
34
|
40
|
20
|
25
|
35
|
28
|
29
|
27
|
20
|
26
|
33
|
36
|
|
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