Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
40
O3
0.6
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
51
Good
Sun
13 Jul
52
Good
Mon
14 Jul
57
Good
Tue
15 Jul
62
Good
Wed
16 Jul
60
Good
Thu
17 Jul
72
Good
Fri
18 Jul
15
Excellent
Air quality in the last 12 months (Ruichang)
|
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
|
|
|
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
|
|
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