Air Quality
Excellent
No health implications.
8
PM2.5
32
PM10
148
O3
0.5
CO
13
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
87
Good
Tue
1 Jul
75
Good
Wed
2 Jul
85
Good
Thu
3 Jul
69
Good
Fri
4 Jul
70
Good
Sat
5 Jul
58
Good
Sun
6 Jul
24
Excellent
Air quality in the last 12 months (Ping'an)
|
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
|
|
|
2024/08
|
38
|
30
|
32
|
36
|
35
|
40
|
35
|
35
|
40
|
32
|
35
|
35
|
37
|
22
|
28
|
32
|
32
|
34
|
35
|
41
|
44
|
50
|
47
|
36
|
31
|
42
|
47
|
45
|
28
|
47
|
44
|
|
2024/07
|
20
|
24
|
27
|
26
|
39
|
48
|
51
|
50
|
53
|
46
|
55
|
49
|
49
|
34
|
47
|
39
|
38
|
35
|
36
|
44
|
230
|
62
|
47
|
80
|
52
|
55
|
46
|
35
|
26
|
29
|
31
|
|
2024/06
|
51
|
44
|
41
|
38
|
40
|
29
|
48
|
34
|
38
|
35
|
34
|
37
|
34
|
32
|
37
|
26
|
31
|
27
|
48
|
33
|
25
|
32
|
32
|
38
|
39
|
34
|
35
|
34
|
30
|
26
|
|
|
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