Air Quality
Excellent
No health implications.
31
PM2.5
41
PM10
65
O3
1.3
CO
7
SO2
41
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Mar
81
Good
Thu
13 Mar
69
Good
Fri
14 Mar
40
Excellent
Sat
15 Mar
32
Excellent
Sun
16 Mar
52
Good
Mon
17 Mar
59
Good
Tue
18 Mar
19
Excellent
Air quality in the last 12 months (Huqiu)
|
2025/01
|
83
|
52
|
66
|
56
|
95
|
80
|
68
|
67
|
32
|
50
|
62
|
67
|
76
|
111
|
41
|
56
|
64
|
78
|
93
|
146
|
170
|
74
|
43
|
42
|
27
|
50
|
45
|
44
|
85
|
66
|
53
|
|
2024/12
|
60
|
68
|
72
|
38
|
57
|
116
|
158
|
31
|
53
|
46
|
59
|
55
|
75
|
71
|
59
|
57
|
75
|
76
|
31
|
52
|
79
|
47
|
43
|
60
|
88
|
135
|
55
|
60
|
64
|
79
|
81
|
|
2024/11
|
10
|
48
|
62
|
65
|
35
|
30
|
24
|
28
|
33
|
36
|
39
|
41
|
45
|
38
|
64
|
42
|
21
|
26
|
29
|
35
|
55
|
75
|
19
|
28
|
33
|
31
|
60
|
65
|
45
|
49
|
|
|
2024/10
|
20
|
27
|
22
|
28
|
22
|
14
|
18
|
34
|
42
|
50
|
60
|
54
|
20
|
36
|
56
|
36
|
26
|
33
|
28
|
44
|
26
|
33
|
44
|
25
|
30
|
20
|
19
|
52
|
27
|
30
|
23
|
|
2024/09
|
32
|
35
|
26
|
28
|
26
|
36
|
54
|
41
|
18
|
35
|
9
|
26
|
14
|
21
|
20
|
14
|
16
|
21
|
21
|
11
|
22
|
27
|
27
|
43
|
52
|
24
|
27
|
34
|
34
|
35
|
|
|
2024/08
|
22
|
18
|
39
|
34
|
37
|
36
|
43
|
38
|
40
|
41
|
41
|
29
|
35
|
25
|
22
|
35
|
26
|
20
|
17
|
19
|
23
|
30
|
39
|
26
|
34
|
28
|
27
|
28
|
18
|
28
|
32
|
|
2024/07
|
22
|
23
|
17
|
25
|
21
|
30
|
21
|
28
|
32
|
20
|
25
|
23
|
16
|
18
|
48
|
32
|
30
|
24
|
27
|
28
|
32
|
31
|
26
|
19
|
23
|
18
|
16
|
20
|
17
|
23
|
23
|
|
2024/06
|
25
|
30
|
32
|
47
|
38
|
18
|
20
|
30
|
30
|
17
|
20
|
32
|
47
|
37
|
37
|
29
|
26
|
21
|
17
|
27
|
29
|
13
|
15
|
19
|
26
|
16
|
9
|
14
|
22
|
16
|
|
|
2024/05
|
30
|
32
|
35
|
37
|
28
|
28
|
54
|
36
|
26
|
41
|
53
|
62
|
69
|
54
|
45
|
33
|
50
|
41
|
32
|
31
|
28
|
41
|
37
|
30
|
26
|
34
|
22
|
24
|
27
|
37
|
43
|
|
2024/04
|
60
|
27
|
22
|
49
|
45
|
49
|
36
|
22
|
55
|
53
|
53
|
42
|
25
|
25
|
50
|
49
|
26
|
69
|
84
|
42
|
45
|
45
|
28
|
46
|
44
|
47
|
34
|
21
|
28
|
34
|
|
|
2024/03
|
42
|
58
|
71
|
43
|
28
|
57
|
61
|
103
|
81
|
53
|
58
|
84
|
45
|
58
|
59
|
41
|
63
|
69
|
67
|
104
|
72
|
61
|
72
|
71
|
37
|
29
|
44
|
36
|
33
|
54
|
69
|
|
2024/02
|
22
|
27
|
27
|
39
|
53
|
88
|
63
|
86
|
167
|
170
|
112
|
70
|
48
|
48
|
58
|
28
|
30
|
31
|
36
|
19
|
16
|
30
|
49
|
58
|
75
|
82
|
56
|
47
|
28
|
||
|
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