Air Quality
Excellent
No health implications.
16
PM2.5
40
PM10
104
O3
0.6
CO
15
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
58
Good
Fri
3 May
59
Good
Sat
4 May
69
Good
Sun
5 May
69
Good
Mon
6 May
63
Good
Tue
7 May
63
Good
Air quality in the last 12 months (Ping'an)
|
2024/02
|
74
|
82
|
61
|
68
|
65
|
57
|
74
|
77
|
60
|
94
|
31
|
35
|
39
|
61
|
42
|
39
|
49
|
418
|
178
|
247
|
199
|
144
|
118
|
107
|
120
|
94
|
107
|
87
|
63
|
||
|
2024/01
|
71
|
64
|
59
|
55
|
64
|
75
|
70
|
61
|
56
|
51
|
50
|
45
|
62
|
76
|
77
|
66
|
53
|
59
|
69
|
88
|
64
|
67
|
51
|
66
|
71
|
71
|
66
|
63
|
58
|
69
|
60
|
|
2023/12
|
68
|
66
|
60
|
51
|
79
|
64
|
36
|
51
|
53
|
64
|
67
|
72
|
66
|
78
|
76
|
67
|
79
|
79
|
81
|
74
|
74
|
73
|
63
|
73
|
62
|
59
|
53
|
66
|
81
|
43
|
60
|
|
2023/11
|
44
|
75
|
69
|
49
|
56
|
49
|
60
|
57
|
61
|
67
|
59
|
64
|
90
|
83
|
75
|
53
|
47
|
51
|
50
|
52
|
68
|
82
|
77
|
57
|
94
|
83
|
62
|
64
|
55
|
53
|
|
|
2023/10
|
35
|
30
|
33
|
32
|
27
|
33
|
28
|
37
|
47
|
44
|
31
|
27
|
36
|
34
|
39
|
41
|
36
|
40
|
38
|
47
|
53
|
54
|
52
|
51
|
54
|
45
|
44
|
45
|
46
|
52
|
48
|
|
2023/09
|
62
|
59
|
46
|
47
|
49
|
42
|
58
|
30
|
34
|
43
|
31
|
31
|
38
|
43
|
42
|
40
|
55
|
53
|
40
|
36
|
35
|
39
|
71
|
40
|
37
|
31
|
35
|
44
|
44
|
41
|
|
|
2023/08
|
48
|
50
|
43
|
33
|
43
|
36
|
38
|
40
|
41
|
40
|
34
|
38
|
46
|
57
|
46
|
141
|
83
|
49
|
43
|
41
|
39
|
39
|
37
|
39
|
39
|
39
|
32
|
43
|
46
|
46
|
43
|
|
2023/07
|
44
|
68
|
39
|
40
|
39
|
42
|
45
|
39
|
38
|
50
|
55
|
40
|
28
|
38
|
36
|
41
|
42
|
43
|
46
|
40
|
40
|
45
|
44
|
42
|
44
|
50
|
42
|
40
|
43
|
49
|
44
|
|
2023/06
|
64
|
45
|
40
|
36
|
37
|
35
|
39
|
51
|
40
|
44
|
43
|
39
|
43
|
45
|
51
|
47
|
51
|
48
|
46
|
44
|
51
|
45
|
36
|
39
|
39
|
41
|
55
|
38
|
46
|
37
|
|
|
2023/05
|
68
|
68
|
65
|
59
|
74
|
59
|
42
|
42
|
27
|
40
|
43
|
46
|
39
|
47
|
54
|
66
|
37
|
46
|
51
|
301
|
104
|
71
|
61
|
77
|
54
|
43
|
49
|
58
|
58
|
100
|
39
|
|
2023/04
|
66
|
55
|
45
|
63
|
83
|
102
|
92
|
85
|
91
|
113
|
135
|
127
|
118
|
57
|
64
|
72
|
86
|
77
|
247
|
483
|
344
|
87
|
53
|
49
|
53
|
74
|
77
|
50
|
54
|
53
|
|
|
2023/03
|
68
|
61
|
43
|
46
|
47
|
54
|
62
|
59
|
46
|
95
|
85
|
52
|
44
|
93
|
108
|
107
|
94
|
95
|
75
|
129
|
500
|
493
|
186
|
99
|
73
|
64
|
60
|
57
|
59
|
49
|
39
|
|
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