Air Quality
Excellent
No health implications.
23
PM2.5
28
PM10
47
O3
0.7
CO
5
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
65
Good
Fri
1 May
79
Good
Sat
2 May
47
Excellent
Sun
3 May
66
Good
Mon
4 May
76
Good
Tue
5 May
28
Excellent
Wed
6 May
43
Excellent
Air quality in the last 12 months (Ruichang)
|
2026/03
|
25
|
33
|
52
|
80
|
80
|
63
|
86
|
73
|
82
|
68
|
59
|
52
|
61
|
67
|
118
|
38
|
19
|
19
|
59
|
70
|
72
|
57
|
61
|
67
|
74
|
60
|
57
|
59
|
57
|
39
|
39
|
|
2026/02
|
51
|
58
|
75
|
71
|
79
|
67
|
37
|
60
|
61
|
63
|
77
|
71
|
80
|
49
|
57
|
33
|
88
|
69
|
61
|
51
|
38
|
77
|
106
|
33
|
35
|
27
|
22
|
46
|
|||
|
2026/01
|
26
|
43
|
67
|
70
|
68
|
57
|
48
|
61
|
55
|
75
|
72
|
61
|
74
|
78
|
89
|
114
|
188
|
168
|
42
|
35
|
58
|
68
|
68
|
76
|
95
|
112
|
81
|
62
|
81
|
29
|
36
|
|
2025/12
|
95
|
110
|
72
|
80
|
78
|
75
|
93
|
130
|
97
|
132
|
127
|
99
|
38
|
50
|
52
|
59
|
117
|
177
|
129
|
149
|
67
|
45
|
52
|
58
|
68
|
65
|
66
|
67
|
76
|
139
|
84
|
|
2025/11
|
56
|
60
|
82
|
73
|
84
|
69
|
44
|
32
|
30
|
61
|
55
|
39
|
46
|
65
|
88
|
64
|
65
|
26
|
34
|
48
|
63
|
81
|
77
|
66
|
89
|
72
|
92
|
90
|
80
|
73
|
|
|
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
|
|
|
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