Air Quality
Excellent
No health implications.
14
PM2.5
43
PM10
119
O3
0.5
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
69
Good
Sun
1 Jun
63
Good
Mon
2 Jun
77
Good
Tue
3 Jun
76
Good
Wed
4 Jun
81
Good
Thu
5 Jun
81
Good
Fri
6 Jun
35
Excellent
Air quality in the last 12 months (Pengyang)
|
2025/04
|
83
|
83
|
93
|
125
|
85
|
91
|
62
|
111
|
118
|
64
|
198
|
303
|
128
|
43
|
58
|
183
|
82
|
209
|
134
|
84
|
181
|
105
|
57
|
60
|
62
|
45
|
53
|
41
|
69
|
184
|
|
|
2025/03
|
77
|
43
|
40
|
39
|
55
|
46
|
68
|
67
|
71
|
50
|
202
|
120
|
85
|
52
|
54
|
50
|
42
|
33
|
45
|
63
|
60
|
65
|
89
|
76
|
78
|
332
|
123
|
117
|
62
|
74
|
72
|
|
2025/02
|
60
|
50
|
42
|
42
|
41
|
63
|
80
|
60
|
61
|
54
|
91
|
76
|
63
|
52
|
57
|
97
|
76
|
66
|
58
|
59
|
72
|
54
|
30
|
49
|
59
|
51
|
49
|
52
|
|||
|
2025/01
|
70
|
50
|
68
|
61
|
49
|
47
|
51
|
45
|
51
|
53
|
79
|
73
|
94
|
52
|
49
|
54
|
66
|
63
|
53
|
50
|
64
|
69
|
149
|
171
|
74
|
94
|
72
|
86
|
139
|
65
|
45
|
|
2024/12
|
42
|
49
|
55
|
45
|
45
|
45
|
38
|
42
|
58
|
75
|
64
|
56
|
50
|
47
|
51
|
56
|
59
|
44
|
58
|
52
|
43
|
55
|
59
|
72
|
60
|
70
|
50
|
50
|
54
|
41
|
48
|
|
2024/11
|
38
|
42
|
50
|
48
|
50
|
51
|
63
|
77
|
67
|
53
|
54
|
60
|
62
|
49
|
75
|
48
|
39
|
25
|
37
|
51
|
51
|
48
|
64
|
44
|
44
|
51
|
67
|
58
|
29
|
37
|
|
|
2024/10
|
42
|
33
|
44
|
33
|
53
|
47
|
39
|
52
|
50
|
52
|
44
|
49
|
50
|
44
|
43
|
58
|
43
|
43
|
18
|
30
|
30
|
33
|
38
|
39
|
53
|
58
|
32
|
35
|
44
|
34
|
35
|
|
2024/09
|
55
|
36
|
31
|
44
|
18
|
26
|
24
|
41
|
36
|
29
|
29
|
38
|
27
|
30
|
32
|
26
|
40
|
46
|
46
|
41
|
33
|
36
|
49
|
54
|
26
|
32
|
77
|
79
|
32
|
31
|
|
|
2024/08
|
27
|
37
|
27
|
27
|
25
|
26
|
18
|
22
|
76
|
169
|
50
|
34
|
34
|
36
|
57
|
49
|
36
|
27
|
29
|
33
|
35
|
40
|
45
|
46
|
44
|
25
|
24
|
33
|
42
|
42
|
53
|
|
2024/07
|
35
|
32
|
32
|
33
|
70
|
48
|
23
|
38
|
36
|
30
|
30
|
60
|
35
|
31
|
20
|
18
|
26
|
26
|
21
|
21
|
197
|
35
|
17
|
143
|
64
|
39
|
43
|
36
|
26
|
34
|
35
|
|
2024/06
|
49
|
28
|
31
|
36
|
40
|
35
|
37
|
41
|
28
|
31
|
39
|
43
|
42
|
53
|
54
|
36
|
27
|
32
|
32
|
39
|
26
|
41
|
48
|
52
|
50
|
41
|
29
|
32
|
53
|
31
|
|
|
2024/05
|
35
|
41
|
25
|
32
|
53
|
56
|
50
|
45
|
30
|
93
|
81
|
52
|
45
|
53
|
67
|
61
|
60
|
49
|
47
|
44
|
41
|
45
|
44
|
49
|
53
|
49
|
34
|
54
|
49
|
59
|
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