Air Quality
Excellent
No health implications.
14
PM2.5
34
PM10
60
O3
0.3
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
66
Good
Sat
26 Apr
79
Good
Sun
27 Apr
60
Good
Mon
28 Apr
63
Good
Tue
29 Apr
70
Good
Wed
30 Apr
23
Excellent
Thu
1 May
48
Excellent
Air quality in the last 12 months (Pingquan)
|
2025/02
|
86
|
82
|
26
|
24
|
24
|
50
|
30
|
21
|
35
|
60
|
85
|
49
|
61
|
61
|
77
|
37
|
24
|
35
|
33
|
31
|
25
|
33
|
23
|
44
|
51
|
51
|
86
|
125
|
|||
|
2025/01
|
54
|
30
|
40
|
65
|
55
|
36
|
28
|
30
|
24
|
36
|
54
|
58
|
54
|
38
|
31
|
50
|
70
|
76
|
50
|
67
|
54
|
55
|
83
|
102
|
120
|
82
|
22
|
48
|
175
|
47
|
63
|
|
2024/12
|
63
|
25
|
40
|
33
|
33
|
28
|
25
|
36
|
57
|
58
|
46
|
73
|
39
|
30
|
41
|
45
|
29
|
35
|
61
|
52
|
29
|
37
|
49
|
67
|
76
|
27
|
28
|
39
|
64
|
68
|
46
|
|
2024/11
|
83
|
60
|
55
|
30
|
40
|
43
|
73
|
108
|
100
|
83
|
56
|
54
|
54
|
54
|
43
|
39
|
31
|
40
|
60
|
67
|
40
|
40
|
54
|
85
|
63
|
21
|
29
|
29
|
32
|
39
|
|
|
2024/10
|
18
|
20
|
30
|
46
|
64
|
44
|
26
|
33
|
56
|
28
|
44
|
64
|
84
|
83
|
39
|
48
|
64
|
49
|
17
|
29
|
41
|
31
|
44
|
54
|
71
|
95
|
48
|
48
|
58
|
44
|
72
|
|
2024/09
|
23
|
20
|
26
|
38
|
24
|
31
|
26
|
34
|
43
|
21
|
28
|
27
|
29
|
19
|
21
|
37
|
28
|
29
|
43
|
20
|
16
|
20
|
29
|
45
|
44
|
26
|
43
|
50
|
51
|
17
|
|
|
2024/08
|
27
|
34
|
34
|
23
|
33
|
34
|
42
|
43
|
49
|
36
|
45
|
24
|
19
|
27
|
32
|
40
|
47
|
38
|
25
|
11
|
19
|
26
|
25
|
27
|
33
|
25
|
26
|
33
|
39
|
42
|
36
|
|
2024/07
|
34
|
41
|
25
|
35
|
48
|
40
|
29
|
46
|
58
|
51
|
61
|
49
|
46
|
46
|
47
|
37
|
20
|
30
|
33
|
29
|
41
|
27
|
41
|
48
|
21
|
20
|
27
|
26
|
38
|
30
|
23
|
|
2024/06
|
34
|
33
|
33
|
44
|
49
|
53
|
46
|
33
|
43
|
53
|
46
|
45
|
47
|
24
|
20
|
32
|
49
|
52
|
55
|
43
|
47
|
100
|
112
|
19
|
28
|
45
|
57
|
48
|
49
|
36
|
|
|
2024/05
|
39
|
54
|
60
|
60
|
72
|
62
|
52
|
54
|
76
|
130
|
165
|
28
|
42
|
50
|
21
|
35
|
54
|
63
|
49
|
28
|
46
|
63
|
57
|
26
|
27
|
28
|
28
|
41
|
55
|
43
|
19
|
|
2024/04
|
55
|
55
|
33
|
48
|
64
|
63
|
59
|
63
|
57
|
58
|
68
|
94
|
64
|
48
|
130
|
42
|
60
|
66
|
38
|
43
|
51
|
61
|
22
|
32
|
83
|
72
|
48
|
18
|
20
|
32
|
|
|
2024/03
|
25
|
43
|
31
|
58
|
61
|
47
|
57
|
25
|
56
|
82
|
80
|
47
|
57
|
67
|
75
|
123
|
39
|
69
|
38
|
28
|
69
|
57
|
63
|
45
|
54
|
72
|
96
|
257
|
79
|
55
|
47
|
|
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