Air Quality
Excellent
No health implications.
25
PM2.5
39
PM10
84
O3
0.7
CO
9
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Sep
50
Excellent
Sun
28 Sep
50
Excellent
Mon
29 Sep
74
Good
Tue
30 Sep
50
Excellent
Wed
1 Oct
46
Excellent
Thu
2 Oct
41
Excellent
Fri
3 Oct
16
Excellent
Air quality in the last 12 months (Ping'an)
|
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
|
|
2024/11
|
48
|
39
|
58
|
52
|
51
|
57
|
52
|
48
|
67
|
66
|
59
|
58
|
55
|
65
|
85
|
56
|
58
|
55
|
70
|
65
|
70
|
56
|
68
|
45
|
46
|
63
|
48
|
49
|
69
|
78
|
|
|
2024/10
|
37
|
39
|
46
|
50
|
54
|
47
|
53
|
52
|
42
|
40
|
43
|
42
|
42
|
43
|
52
|
26
|
33
|
43
|
47
|
44
|
48
|
42
|
45
|
55
|
54
|
45
|
40
|
44
|
56
|
60
|
47
|
|
2024/09
|
41
|
44
|
39
|
18
|
20
|
25
|
28
|
42
|
20
|
29
|
28
|
32
|
19
|
35
|
42
|
26
|
33
|
39
|
43
|
23
|
33
|
39
|
27
|
44
|
45
|
45
|
58
|
57
|
31
|
29
|
|
|
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