Air Quality
Excellent
No health implications.
16
PM2.5
44
PM10
31
O3
0.7
CO
6
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jun
90
Good
Tue
17 Jun
86
Good
Wed
18 Jun
52
Good
Thu
19 Jun
51
Good
Fri
20 Jun
51
Good
Sat
21 Jun
52
Good
Sun
22 Jun
34
Excellent
Air quality in the last 12 months (Ruichang)
|
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
|
|
|
2024/10
|
22
|
43
|
28
|
29
|
37
|
32
|
18
|
34
|
50
|
66
|
71
|
76
|
106
|
94
|
72
|
47
|
33
|
47
|
21
|
32
|
50
|
40
|
45
|
48
|
51
|
44
|
21
|
67
|
110
|
64
|
45
|
|
2024/09
|
41
|
46
|
44
|
45
|
45
|
39
|
45
|
48
|
47
|
35
|
31
|
20
|
35
|
44
|
33
|
28
|
41
|
40
|
35
|
32
|
32
|
30
|
26
|
35
|
50
|
53
|
55
|
33
|
42
|
49
|
|
|
2024/08
|
19
|
21
|
33
|
30
|
38
|
29
|
39
|
36
|
36
|
32
|
39
|
60
|
31
|
20
|
28
|
31
|
46
|
31
|
24
|
25
|
27
|
35
|
36
|
37
|
42
|
44
|
37
|
19
|
35
|
41
|
39
|
|
2024/07
|
17
|
13
|
25
|
18
|
20
|
20
|
20
|
19
|
26
|
33
|
31
|
31
|
33
|
38
|
34
|
39
|
20
|
23
|
20
|
19
|
22
|
26
|
34
|
38
|
31
|
29
|
14
|
11
|
12
|
21
|
18
|
|
2024/06
|
24
|
43
|
25
|
26
|
27
|
37
|
32
|
32
|
31
|
26
|
21
|
27
|
30
|
32
|
30
|
28
|
31
|
22
|
15
|
21
|
34
|
18
|
18
|
22
|
17
|
28
|
15
|
20
|
24
|
16
|
|
|
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