Air Quality
Excellent
No health implications.
29
PM2.5
40
PM10
53
O3
0.9
CO
14
SO2
36
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
58
Good
Sat
4 May
43
Excellent
Sun
5 May
52
Good
Mon
6 May
72
Good
Tue
7 May
107
Lightly
Wed
8 May
77
Good
Thu
9 May
77
Good
Air quality in the last 12 months (Ruichang)
|
2024/02
|
24
|
23
|
24
|
58
|
102
|
82
|
106
|
109
|
123
|
131
|
90
|
81
|
53
|
50
|
59
|
30
|
38
|
33
|
64
|
20
|
25
|
43
|
54
|
67
|
84
|
103
|
106
|
90
|
78
|
||
|
2024/01
|
158
|
137
|
82
|
80
|
79
|
95
|
190
|
148
|
140
|
153
|
122
|
89
|
81
|
126
|
174
|
78
|
96
|
32
|
20
|
57
|
85
|
57
|
30
|
49
|
65
|
82
|
88
|
83
|
92
|
80
|
77
|
|
2023/12
|
47
|
53
|
86
|
74
|
86
|
80
|
74
|
67
|
38
|
75
|
20
|
46
|
58
|
50
|
29
|
39
|
33
|
39
|
47
|
76
|
82
|
51
|
58
|
71
|
74
|
68
|
93
|
205
|
247
|
254
|
141
|
|
2023/11
|
60
|
53
|
64
|
121
|
98
|
31
|
41
|
36
|
28
|
43
|
38
|
30
|
73
|
69
|
78
|
69
|
96
|
74
|
67
|
66
|
59
|
65
|
79
|
60
|
60
|
83
|
74
|
85
|
77
|
64
|
|
|
2023/10
|
31
|
45
|
34
|
31
|
42
|
41
|
22
|
20
|
34
|
43
|
59
|
63
|
68
|
70
|
64
|
58
|
63
|
70
|
70
|
34
|
44
|
51
|
58
|
65
|
87
|
100
|
112
|
127
|
110
|
109
|
79
|
|
2023/09
|
40
|
42
|
37
|
42
|
44
|
36
|
42
|
47
|
55
|
54
|
57
|
54
|
23
|
22
|
26
|
36
|
39
|
40
|
38
|
30
|
24
|
22
|
24
|
37
|
43
|
41
|
52
|
54
|
67
|
34
|
|
|
2023/08
|
25
|
35
|
34
|
39
|
46
|
48
|
33
|
35
|
39
|
41
|
52
|
48
|
32
|
41
|
41
|
49
|
59
|
40
|
52
|
41
|
44
|
33
|
40
|
47
|
59
|
58
|
34
|
21
|
33
|
35
|
37
|
|
2023/07
|
36
|
39
|
28
|
28
|
27
|
29
|
29
|
29
|
23
|
33
|
38
|
41
|
42
|
45
|
47
|
53
|
36
|
36
|
29
|
23
|
23
|
22
|
29
|
38
|
48
|
40
|
26
|
22
|
20
|
27
|
29
|
|
2023/06
|
46
|
60
|
58
|
84
|
52
|
39
|
39
|
42
|
48
|
52
|
57
|
70
|
46
|
55
|
55
|
50
|
35
|
33
|
23
|
31
|
30
|
35
|
28
|
26
|
24
|
26
|
27
|
28
|
27
|
26
|
|
|
2023/05
|
73
|
59
|
39
|
34
|
29
|
27
|
42
|
40
|
52
|
47
|
48
|
51
|
60
|
64
|
68
|
57
|
28
|
41
|
57
|
59
|
44
|
52
|
77
|
48
|
46
|
54
|
55
|
44
|
51
|
45
|
26
|
|
2023/04
|
56
|
54
|
35
|
30
|
35
|
35
|
59
|
55
|
57
|
59
|
58
|
263
|
88
|
52
|
103
|
73
|
71
|
49
|
50
|
65
|
51
|
47
|
27
|
23
|
35
|
35
|
37
|
41
|
112
|
102
|
|
|
2023/03
|
100
|
108
|
79
|
93
|
89
|
68
|
68
|
87
|
65
|
58
|
58
|
103
|
68
|
66
|
67
|
97
|
26
|
35
|
65
|
43
|
22
|
41
|
40
|
70
|
44
|
60
|
80
|
75
|
68
|
71
|
63
|
|
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