Air Quality
Excellent
No health implications.
21
PM2.5
46
PM10
45
O3
1.0
CO
11
SO2
29
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Feb
89
Good
Sun
22 Feb
59
Good
Mon
23 Feb
62
Good
Tue
24 Feb
62
Good
Wed
25 Feb
61
Good
Thu
26 Feb
49
Excellent
Fri
27 Feb
48
Excellent
Air quality in the last 12 months (Ping'an)
|
2026/01
|
83
|
83
|
94
|
101
|
76
|
79
|
58
|
49
|
54
|
48
|
43
|
43
|
42
|
86
|
58
|
69
|
46
|
90
|
61
|
61
|
57
|
70
|
70
|
60
|
376
|
227
|
195
|
126
|
108
|
98
|
98
|
|
2025/12
|
65
|
59
|
58
|
73
|
71
|
61
|
67
|
73
|
78
|
73
|
83
|
103
|
56
|
59
|
62
|
67
|
70
|
56
|
61
|
46
|
85
|
87
|
67
|
68
|
69
|
82
|
71
|
57
|
63
|
60
|
79
|
|
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
|
|||
|
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