Air Quality
Excellent
No health implications.
22
PM2.5
50
PM10
61
O3
0.7
CO
19
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Dec
67
Good
Sat
20 Dec
56
Good
Sun
21 Dec
68
Good
Mon
22 Dec
69
Good
Tue
23 Dec
56
Good
Wed
24 Dec
59
Good
Thu
25 Dec
27
Excellent
Air quality in the last 12 months (Ping'an)
|
2025/11
|
62
|
59
|
54
|
64
|
63
|
39
|
49
|
82
|
80
|
61
|
62
|
59
|
61
|
63
|
64
|
66
|
50
|
48
|
55
|
54
|
69
|
88
|
76
|
102
|
50
|
56
|
49
|
48
|
51
|
60
|
|
|
2025/10
|
25
|
40
|
50
|
60
|
48
|
42
|
24
|
21
|
31
|
19
|
33
|
26
|
36
|
39
|
34
|
56
|
33
|
55
|
42
|
54
|
56
|
47
|
30
|
39
|
49
|
39
|
50
|
53
|
57
|
57
|
56
|
|
2025/09
|
32
|
22
|
40
|
47
|
34
|
60
|
56
|
40
|
45
|
45
|
41
|
36
|
48
|
76
|
82
|
94
|
38
|
28
|
40
|
41
|
39
|
30
|
31
|
41
|
36
|
44
|
42
|
41
|
47
|
42
|
|
|
2025/08
|
54
|
43
|
44
|
19
|
29
|
31
|
45
|
21
|
30
|
39
|
31
|
29
|
33
|
31
|
34
|
43
|
42
|
38
|
32
|
112
|
23
|
27
|
30
|
35
|
44
|
27
|
18
|
16
|
30
|
27
|
34
|
|
2025/07
|
31
|
29
|
35
|
26
|
30
|
28
|
41
|
39
|
41
|
44
|
38
|
37
|
35
|
40
|
54
|
33
|
24
|
33
|
44
|
21
|
30
|
37
|
50
|
65
|
36
|
34
|
46
|
44
|
42
|
40
|
93
|
|
2025/06
|
41
|
40
|
34
|
31
|
38
|
46
|
46
|
38
|
37
|
35
|
44
|
39
|
42
|
39
|
39
|
35
|
42
|
45
|
43
|
36
|
29
|
25
|
26
|
23
|
28
|
33
|
24
|
32
|
23
|
32
|
|
|
2025/05
|
40
|
99
|
165
|
93
|
65
|
110
|
119
|
58
|
47
|
36
|
33
|
41
|
54
|
32
|
36
|
42
|
76
|
41
|
47
|
42
|
39
|
51
|
49
|
36
|
29
|
40
|
40
|
45
|
85
|
73
|
74
|
|
2025/04
|
119
|
115
|
107
|
143
|
96
|
70
|
94
|
76
|
79
|
60
|
77
|
51
|
44
|
46
|
59
|
116
|
77
|
99
|
100
|
109
|
75
|
72
|
40
|
53
|
52
|
45
|
34
|
48
|
39
|
40
|
|
|
2025/03
|
75
|
59
|
67
|
63
|
54
|
66
|
70
|
57
|
59
|
62
|
250
|
131
|
97
|
53
|
58
|
51
|
51
|
50
|
52
|
60
|
59
|
71
|
63
|
53
|
45
|
411
|
101
|
63
|
75
|
109
|
90
|
|
2025/02
|
61
|
57
|
51
|
50
|
45
|
57
|
55
|
58
|
63
|
52
|
75
|
70
|
78
|
62
|
51
|
58
|
55
|
56
|
68
|
65
|
72
|
72
|
56
|
58
|
57
|
45
|
55
|
55
|
|||
|
2025/01
|
56
|
62
|
66
|
59
|
51
|
68
|
67
|
71
|
83
|
60
|
53
|
44
|
46
|
67
|
64
|
59
|
62
|
65
|
57
|
50
|
60
|
78
|
97
|
90
|
66
|
57
|
62
|
66
|
107
|
59
|
42
|
|
2024/12
|
50
|
50
|
64
|
58
|
70
|
79
|
67
|
66
|
85
|
75
|
85
|
60
|
58
|
91
|
81
|
57
|
60
|
70
|
84
|
89
|
114
|
141
|
129
|
102
|
108
|
103
|
60
|
75
|
76
|
82
|
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