Air Quality
Excellent
No health implications.
12
PM2.5
36
PM10
55
O3
0.3
CO
3
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
100
Good
Tue
18 Nov
58
Good
Wed
19 Nov
60
Good
Thu
20 Nov
62
Good
Fri
21 Nov
69
Good
Sat
22 Nov
85
Good
Sun
23 Nov
25
Excellent
Air quality in the last 12 months (Ruichang)
|
2025/10
|
43
|
46
|
49
|
47
|
54
|
35
|
54
|
68
|
60
|
60
|
69
|
64
|
50
|
44
|
68
|
36
|
48
|
18
|
11
|
25
|
23
|
26
|
31
|
38
|
58
|
74
|
66
|
88
|
115
|
117
|
47
|
|
2025/09
|
19
|
29
|
33
|
41
|
41
|
41
|
38
|
39
|
19
|
19
|
18
|
28
|
32
|
26
|
30
|
37
|
41
|
25
|
43
|
19
|
37
|
35
|
35
|
13
|
15
|
26
|
43
|
57
|
45
|
44
|
|
|
2025/08
|
33
|
36
|
33
|
40
|
26
|
19
|
16
|
21
|
25
|
34
|
34
|
32
|
36
|
29
|
16
|
27
|
30
|
29
|
20
|
16
|
20
|
19
|
23
|
31
|
30
|
21
|
23
|
23
|
30
|
38
|
18
|
|
2025/07
|
19
|
30
|
30
|
34
|
36
|
38
|
43
|
35
|
20
|
24
|
36
|
22
|
23
|
29
|
32
|
34
|
26
|
31
|
39
|
18
|
15
|
14
|
15
|
21
|
25
|
26
|
24
|
24
|
22
|
26
|
19
|
|
2025/06
|
12
|
15
|
32
|
43
|
37
|
36
|
31
|
21
|
25
|
37
|
29
|
36
|
37
|
32
|
14
|
38
|
27
|
15
|
17
|
15
|
18
|
11
|
16
|
26
|
49
|
40
|
29
|
18
|
16
|
23
|
|
|
2025/05
|
44
|
50
|
61
|
57
|
41
|
83
|
134
|
38
|
34
|
46
|
40
|
50
|
49
|
57
|
78
|
30
|
38
|
101
|
48
|
30
|
21
|
24
|
30
|
52
|
57
|
54
|
60
|
37
|
36
|
26
|
18
|
|
2025/04
|
65
|
58
|
63
|
66
|
70
|
66
|
63
|
64
|
65
|
55
|
50
|
188
|
110
|
105
|
49
|
55
|
68
|
70
|
74
|
67
|
36
|
40
|
56
|
44
|
46
|
39
|
36
|
53
|
54
|
55
|
|
|
2025/03
|
44
|
35
|
20
|
40
|
55
|
61
|
66
|
68
|
89
|
79
|
61
|
63
|
57
|
53
|
23
|
47
|
33
|
45
|
40
|
43
|
42
|
53
|
68
|
72
|
62
|
78
|
64
|
60
|
60
|
67
|
61
|
|
2025/02
|
54
|
40
|
74
|
59
|
54
|
44
|
70
|
40
|
38
|
62
|
66
|
103
|
85
|
57
|
65
|
58
|
64
|
68
|
52
|
58
|
47
|
44
|
78
|
93
|
103
|
78
|
74
|
50
|
|||
|
2025/01
|
114
|
113
|
185
|
138
|
96
|
80
|
59
|
75
|
53
|
43
|
64
|
77
|
79
|
76
|
66
|
52
|
68
|
73
|
85
|
120
|
103
|
97
|
192
|
125
|
43
|
39
|
51
|
67
|
143
|
70
|
73
|
|
2024/12
|
56
|
62
|
126
|
121
|
59
|
62
|
79
|
86
|
57
|
80
|
59
|
110
|
90
|
57
|
58
|
58
|
75
|
105
|
47
|
68
|
106
|
55
|
83
|
105
|
120
|
135
|
132
|
82
|
66
|
88
|
108
|
|
2024/11
|
43
|
56
|
64
|
86
|
55
|
48
|
45
|
52
|
55
|
61
|
50
|
57
|
71
|
65
|
60
|
74
|
28
|
25
|
37
|
50
|
50
|
53
|
84
|
54
|
47
|
37
|
45
|
53
|
49
|
50
|
|
|
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