Air Quality
Excellent
No health implications.
9
PM2.5
23
PM10
69
O3
0.3
CO
6
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
55
Good
Sat
18 Oct
50
Excellent
Sun
19 Oct
43
Excellent
Mon
20 Oct
48
Excellent
Tue
21 Oct
43
Excellent
Wed
22 Oct
44
Excellent
Thu
23 Oct
30
Excellent
Hezuo Air quality rank
Air quality in the last 12 months (Hezuo)
|
2025/08
|
32
|
28
|
30
|
12
|
18
|
19
|
20
|
19
|
20
|
24
|
33
|
27
|
27
|
40
|
35
|
38
|
35
|
30
|
16
|
20
|
15
|
17
|
20
|
33
|
26
|
19
|
12
|
14
|
25
|
37
|
39
|
|
2025/07
|
41
|
31
|
28
|
24
|
27
|
22
|
30
|
36
|
35
|
38
|
32
|
28
|
35
|
40
|
33
|
43
|
45
|
24
|
55
|
22
|
22
|
25
|
31
|
22
|
23
|
28
|
41
|
37
|
26
|
28
|
33
|
|
2025/06
|
23
|
27
|
24
|
31
|
48
|
45
|
37
|
43
|
23
|
37
|
42
|
40
|
42
|
27
|
44
|
48
|
52
|
32
|
30
|
40
|
39
|
22
|
33
|
17
|
22
|
34
|
30
|
38
|
40
|
28
|
|
|
2025/05
|
44
|
84
|
144
|
72
|
47
|
55
|
79
|
75
|
49
|
40
|
39
|
49
|
51
|
31
|
24
|
50
|
41
|
50
|
52
|
42
|
48
|
54
|
57
|
45
|
34
|
45
|
34
|
41
|
40
|
72
|
55
|
|
2025/04
|
75
|
80
|
74
|
87
|
86
|
63
|
50
|
90
|
79
|
75
|
66
|
56
|
55
|
59
|
58
|
72
|
59
|
116
|
84
|
70
|
80
|
60
|
45
|
46
|
44
|
28
|
34
|
47
|
49
|
59
|
|
|
2025/03
|
54
|
49
|
48
|
44
|
42
|
46
|
79
|
59
|
52
|
53
|
85
|
99
|
43
|
37
|
44
|
38
|
37
|
48
|
58
|
56
|
46
|
50
|
59
|
47
|
45
|
131
|
160
|
59
|
68
|
83
|
81
|
|
2025/02
|
42
|
43
|
34
|
35
|
50
|
49
|
52
|
49
|
48
|
50
|
63
|
67
|
56
|
58
|
48
|
44
|
38
|
40
|
49
|
45
|
47
|
35
|
43
|
43
|
46
|
46
|
46
|
40
|
|||
|
2025/01
|
59
|
56
|
48
|
56
|
41
|
55
|
55
|
62
|
63
|
62
|
44
|
47
|
43
|
48
|
65
|
42
|
50
|
49
|
48
|
44
|
48
|
59
|
61
|
61
|
60
|
64
|
29
|
37
|
109
|
47
|
39
|
|
2024/12
|
45
|
46
|
49
|
44
|
41
|
42
|
38
|
38
|
37
|
31
|
35
|
39
|
34
|
29
|
34
|
30
|
27
|
35
|
54
|
54
|
61
|
68
|
65
|
74
|
65
|
54
|
62
|
57
|
52
|
41
|
53
|
|
2024/11
|
26
|
26
|
28
|
27
|
28
|
28
|
28
|
33
|
29
|
23
|
32
|
23
|
33
|
26
|
26
|
18
|
20
|
29
|
26
|
19
|
21
|
19
|
24
|
30
|
37
|
40
|
43
|
43
|
36
|
40
|
|
|
2024/10
|
21
|
28
|
33
|
29
|
31
|
28
|
26
|
28
|
27
|
19
|
24
|
25
|
27
|
27
|
29
|
19
|
21
|
26
|
22
|
25
|
32
|
31
|
31
|
33
|
29
|
22
|
29
|
30
|
29
|
23
|
19
|
|
2024/09
|
32
|
27
|
27
|
19
|
15
|
18
|
20
|
31
|
18
|
19
|
20
|
21
|
14
|
15
|
19
|
17
|
23
|
21
|
24
|
19
|
19
|
27
|
33
|
33
|
36
|
37
|
42
|
40
|
23
|
19
|
|
|
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