Air Quality
Excellent
No health implications.
23
PM2.5
36
PM10
57
O3
0.5
CO
13
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
43
Excellent
Fri
26 Apr
46
Excellent
Sat
27 Apr
53
Good
Sun
28 Apr
55
Good
Mon
29 Apr
49
Excellent
Tue
30 Apr
52
Good
Air quality in the last 12 months (Hongjiang)
|
2024/02
|
25
|
15
|
17
|
33
|
46
|
50
|
62
|
74
|
96
|
128
|
96
|
83
|
61
|
43
|
48
|
50
|
47
|
37
|
71
|
52
|
14
|
23
|
23
|
27
|
29
|
33
|
50
|
44
|
52
|
||
|
2024/01
|
90
|
54
|
61
|
73
|
82
|
86
|
89
|
112
|
98
|
98
|
88
|
67
|
90
|
98
|
119
|
119
|
63
|
28
|
13
|
24
|
54
|
39
|
60
|
62
|
74
|
73
|
56
|
70
|
70
|
54
|
39
|
|
2023/12
|
37
|
40
|
52
|
45
|
48
|
54
|
52
|
64
|
88
|
59
|
14
|
29
|
48
|
39
|
16
|
27
|
30
|
21
|
30
|
50
|
64
|
57
|
58
|
60
|
60
|
65
|
67
|
75
|
174
|
182
|
124
|
|
2023/11
|
40
|
38
|
46
|
54
|
41
|
22
|
30
|
38
|
26
|
19
|
10
|
19
|
42
|
38
|
29
|
26
|
32
|
44
|
43
|
48
|
50
|
64
|
79
|
61
|
56
|
60
|
57
|
52
|
61
|
57
|
|
|
2023/10
|
23
|
30
|
25
|
25
|
19
|
29
|
22
|
29
|
34
|
35
|
36
|
52
|
50
|
37
|
38
|
51
|
56
|
52
|
38
|
27
|
41
|
43
|
48
|
62
|
58
|
23
|
25
|
29
|
35
|
34
|
39
|
|
2023/09
|
42
|
39
|
35
|
29
|
40
|
39
|
40
|
35
|
38
|
36
|
33
|
33
|
25
|
26
|
31
|
33
|
30
|
26
|
25
|
25
|
20
|
20
|
26
|
27
|
26
|
30
|
35
|
44
|
46
|
50
|
|
|
2023/08
|
22
|
21
|
29
|
32
|
31
|
24
|
23
|
26
|
29
|
31
|
38
|
41
|
38
|
25
|
31
|
28
|
31
|
36
|
46
|
48
|
32
|
30
|
29
|
24
|
37
|
27
|
22
|
26
|
37
|
40
|
37
|
|
2023/07
|
29
|
28
|
26
|
22
|
19
|
21
|
22
|
22
|
24
|
23
|
25
|
25
|
26
|
25
|
23
|
41
|
41
|
38
|
28
|
25
|
20
|
20
|
23
|
26
|
32
|
29
|
29
|
27
|
30
|
30
|
25
|
|
2023/06
|
36
|
43
|
48
|
42
|
36
|
26
|
32
|
28
|
34
|
43
|
51
|
40
|
28
|
39
|
45
|
32
|
29
|
24
|
21
|
23
|
22
|
25
|
27
|
28
|
34
|
29
|
19
|
19
|
24
|
27
|
|
|
2023/05
|
59
|
52
|
34
|
34
|
29
|
20
|
27
|
43
|
51
|
29
|
32
|
36
|
45
|
59
|
60
|
48
|
37
|
45
|
50
|
34
|
38
|
27
|
39
|
39
|
42
|
37
|
29
|
23
|
32
|
43
|
29
|
|
2023/04
|
53
|
60
|
53
|
30
|
24
|
28
|
46
|
76
|
77
|
56
|
36
|
63
|
71
|
60
|
70
|
61
|
55
|
32
|
30
|
43
|
48
|
28
|
15
|
17
|
22
|
33
|
48
|
39
|
70
|
79
|
|
|
2023/03
|
92
|
86
|
94
|
57
|
65
|
70
|
75
|
66
|
51
|
59
|
57
|
96
|
72
|
72
|
75
|
77
|
22
|
27
|
17
|
17
|
26
|
33
|
27
|
24
|
47
|
59
|
52
|
55
|
50
|
45
|
48
|
|
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