Air Quality
Excellent
No health implications.
4
PM2.5
15
PM10
45
O3
0.8
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
89
Good
Mon
18 Nov
61
Good
Tue
19 Nov
56
Good
Wed
20 Nov
74
Good
Thu
21 Nov
85
Good
Fri
22 Nov
77
Good
Sat
23 Nov
77
Good
Air quality in the last 12 months (Zhengxiang)
|
2024/10
|
31
|
51
|
55
|
54
|
56
|
71
|
71
|
54
|
50
|
67
|
70
|
71
|
171
|
85
|
37
|
36
|
53
|
45
|
26
|
26
|
40
|
23
|
34
|
44
|
58
|
67
|
54
|
64
|
65
|
54
|
61
|
|
2024/09
|
48
|
51
|
56
|
56
|
51
|
45
|
35
|
33
|
43
|
39
|
43
|
36
|
27
|
42
|
45
|
41
|
47
|
46
|
43
|
41
|
33
|
31
|
37
|
45
|
68
|
57
|
59
|
56
|
50
|
51
|
|
|
2024/08
|
15
|
22
|
23
|
28
|
29
|
32
|
31
|
30
|
33
|
32
|
30
|
29
|
24
|
33
|
37
|
33
|
39
|
64
|
37
|
44
|
44
|
27
|
21
|
19
|
42
|
38
|
43
|
24
|
33
|
38
|
51
|
|
2024/07
|
27
|
17
|
23
|
23
|
27
|
25
|
31
|
24
|
24
|
28
|
28
|
28
|
29
|
24
|
33
|
27
|
21
|
18
|
16
|
27
|
25
|
28
|
28
|
29
|
40
|
33
|
23
|
12
|
16
|
15
|
18
|
|
2024/06
|
22
|
25
|
38
|
18
|
17
|
33
|
38
|
38
|
43
|
29
|
28
|
22
|
21
|
23
|
21
|
26
|
16
|
18
|
21
|
28
|
28
|
26
|
31
|
28
|
9
|
15
|
33
|
34
|
27
|
26
|
|
|
2024/05
|
21
|
36
|
32
|
17
|
32
|
73
|
101
|
86
|
68
|
87
|
38
|
73
|
84
|
69
|
65
|
68
|
60
|
48
|
25
|
20
|
38
|
40
|
39
|
44
|
35
|
32
|
17
|
33
|
28
|
22
|
20
|
|
2024/04
|
37
|
52
|
27
|
27
|
25
|
29
|
38
|
46
|
48
|
43
|
51
|
46
|
48
|
57
|
57
|
47
|
24
|
39
|
31
|
27
|
37
|
55
|
40
|
45
|
30
|
36
|
40
|
54
|
47
|
13
|
|
|
2024/03
|
95
|
73
|
62
|
51
|
51
|
112
|
82
|
69
|
60
|
66
|
55
|
60
|
48
|
43
|
48
|
36
|
41
|
19
|
49
|
71
|
80
|
49
|
31
|
42
|
31
|
29
|
47
|
31
|
48
|
49
|
33
|
|
2024/02
|
41
|
23
|
22
|
36
|
80
|
45
|
58
|
107
|
133
|
208
|
188
|
168
|
51
|
55
|
59
|
51
|
47
|
35
|
50
|
52
|
16
|
25
|
33
|
43
|
76
|
54
|
87
|
52
|
64
|
||
|
2024/01
|
110
|
113
|
67
|
77
|
85
|
90
|
105
|
116
|
113
|
101
|
106
|
94
|
100
|
85
|
187
|
172
|
115
|
50
|
23
|
23
|
67
|
43
|
48
|
48
|
55
|
67
|
86
|
96
|
83
|
59
|
71
|
|
2023/12
|
49
|
65
|
72
|
61
|
59
|
73
|
75
|
71
|
78
|
60
|
23
|
37
|
63
|
63
|
26
|
33
|
39
|
34
|
55
|
58
|
58
|
53
|
60
|
80
|
93
|
103
|
111
|
148
|
239
|
262
|
234
|
|
2023/11
|
72
|
66
|
74
|
83
|
66
|
25
|
45
|
34
|
37
|
17
|
15
|
15
|
52
|
84
|
67
|
42
|
68
|
73
|
71
|
72
|
77
|
74
|
75
|
69
|
71
|
80
|
89
|
74
|
82
|
79
|
|
|
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