Air Quality
Excellent
No health implications.
21
PM2.5
32
PM10
45
O3
0.6
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
45
Excellent
Wed
1 May
70
Good
Thu
2 May
72
Good
Fri
3 May
69
Good
Sat
4 May
61
Good
Sun
5 May
63
Good
Air quality in the last 12 months (Ningguo)
|
2024/02
|
21
|
27
|
21
|
30
|
57
|
82
|
84
|
99
|
112
|
135
|
79
|
55
|
38
|
37
|
44
|
27
|
39
|
36
|
45
|
15
|
15
|
31
|
48
|
59
|
72
|
100
|
82
|
67
|
45
|
||
|
2024/01
|
185
|
141
|
96
|
67
|
56
|
103
|
163
|
93
|
118
|
174
|
103
|
58
|
72
|
102
|
83
|
61
|
79
|
49
|
22
|
50
|
90
|
49
|
33
|
49
|
61
|
73
|
86
|
85
|
115
|
115
|
67
|
|
2023/12
|
41
|
54
|
76
|
94
|
55
|
78
|
74
|
55
|
60
|
77
|
21
|
43
|
63
|
69
|
27
|
49
|
39
|
47
|
60
|
68
|
48
|
53
|
64
|
59
|
64
|
85
|
118
|
166
|
184
|
178
|
140
|
|
2023/11
|
48
|
43
|
53
|
81
|
64
|
29
|
45
|
50
|
57
|
28
|
33
|
42
|
62
|
60
|
83
|
90
|
83
|
53
|
46
|
52
|
54
|
44
|
73
|
59
|
53
|
73
|
64
|
66
|
76
|
52
|
|
|
2023/10
|
41
|
33
|
29
|
31
|
43
|
39
|
24
|
22
|
33
|
45
|
48
|
48
|
46
|
43
|
46
|
55
|
60
|
64
|
64
|
30
|
37
|
49
|
47
|
49
|
56
|
72
|
84
|
57
|
62
|
57
|
58
|
|
2023/09
|
40
|
51
|
47
|
37
|
30
|
38
|
44
|
44
|
48
|
53
|
61
|
54
|
22
|
20
|
20
|
23
|
28
|
40
|
40
|
26
|
24
|
19
|
19
|
30
|
54
|
45
|
52
|
58
|
52
|
30
|
|
|
2023/08
|
23
|
28
|
32
|
32
|
35
|
36
|
36
|
35
|
39
|
46
|
45
|
50
|
40
|
38
|
31
|
37
|
35
|
50
|
34
|
31
|
28
|
21
|
31
|
47
|
63
|
43
|
25
|
18
|
24
|
27
|
29
|
|
2023/07
|
20
|
26
|
20
|
22
|
23
|
23
|
26
|
28
|
20
|
31
|
34
|
27
|
30
|
29
|
25
|
33
|
32
|
29
|
26
|
15
|
22
|
16
|
17
|
25
|
34
|
31
|
22
|
12
|
17
|
23
|
23
|
|
2023/06
|
50
|
63
|
69
|
65
|
45
|
35
|
34
|
30
|
41
|
48
|
60
|
59
|
39
|
62
|
64
|
56
|
30
|
26
|
26
|
22
|
39
|
54
|
31
|
17
|
17
|
19
|
21
|
21
|
20
|
20
|
|
|
2023/05
|
55
|
50
|
38
|
34
|
26
|
34
|
30
|
41
|
50
|
53
|
39
|
45
|
49
|
51
|
46
|
55
|
24
|
33
|
35
|
55
|
62
|
80
|
74
|
44
|
42
|
54
|
36
|
37
|
34
|
45
|
27
|
|
2023/04
|
45
|
52
|
40
|
29
|
26
|
36
|
41
|
47
|
54
|
56
|
111
|
335
|
98
|
50
|
72
|
84
|
71
|
60
|
41
|
31
|
46
|
66
|
52
|
35
|
44
|
40
|
52
|
41
|
80
|
72
|
|
|
2023/03
|
73
|
106
|
80
|
77
|
70
|
63
|
55
|
60
|
53
|
57
|
59
|
72
|
66
|
51
|
67
|
92
|
29
|
40
|
54
|
48
|
35
|
26
|
27
|
105
|
49
|
66
|
91
|
84
|
59
|
32
|
36
|
|
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