Air Quality
Excellent
No health implications.
17
PM2.5
33
PM10
20
O3
0.5
CO
6
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jul
67
Good
Wed
30 Jul
62
Good
Thu
31 Jul
62
Good
Fri
1 Aug
58
Good
Sat
2 Aug
63
Good
Sun
3 Aug
61
Good
Mon
4 Aug
44
Excellent
Air quality in the last 12 months (Hezheng)
|
2025/06
|
34
|
41
|
35
|
33
|
51
|
53
|
51
|
55
|
30
|
43
|
44
|
52
|
51
|
31
|
54
|
52
|
58
|
55
|
39
|
48
|
40
|
17
|
33
|
20
|
29
|
37
|
28
|
39
|
39
|
25
|
|
|
2025/05
|
47
|
98
|
128
|
94
|
63
|
99
|
90
|
59
|
49
|
42
|
41
|
53
|
63
|
35
|
35
|
48
|
94
|
49
|
54
|
47
|
50
|
59
|
51
|
41
|
31
|
47
|
37
|
34
|
40
|
88
|
64
|
|
2025/04
|
93
|
94
|
81
|
109
|
87
|
67
|
60
|
88
|
100
|
73
|
88
|
339
|
79
|
63
|
59
|
114
|
70
|
162
|
112
|
101
|
86
|
71
|
52
|
52
|
50
|
37
|
49
|
46
|
48
|
62
|
|
|
2025/03
|
63
|
52
|
50
|
53
|
48
|
49
|
72
|
65
|
63
|
61
|
151
|
104
|
76
|
48
|
49
|
52
|
47
|
47
|
55
|
58
|
54
|
57
|
58
|
45
|
66
|
362
|
117
|
71
|
71
|
88
|
80
|
|
2025/02
|
68
|
57
|
52
|
59
|
48
|
58
|
55
|
65
|
72
|
71
|
82
|
87
|
85
|
85
|
63
|
68
|
71
|
66
|
65
|
60
|
53
|
56
|
51
|
52
|
53
|
53
|
56
|
56
|
|||
|
2025/01
|
67
|
80
|
84
|
76
|
75
|
78
|
69
|
72
|
86
|
63
|
71
|
74
|
75
|
77
|
81
|
83
|
87
|
79
|
85
|
81
|
81
|
88
|
89
|
85
|
63
|
72
|
80
|
84
|
113
|
76
|
57
|
|
2024/12
|
56
|
62
|
60
|
50
|
61
|
65
|
53
|
48
|
52
|
48
|
54
|
45
|
46
|
56
|
60
|
55
|
64
|
59
|
58
|
63
|
78
|
125
|
128
|
118
|
121
|
93
|
65
|
92
|
89
|
89
|
66
|
|
2024/11
|
48
|
44
|
51
|
49
|
49
|
53
|
50
|
49
|
59
|
57
|
50
|
51
|
55
|
57
|
52
|
34
|
43
|
37
|
45
|
44
|
52
|
45
|
48
|
33
|
31
|
47
|
53
|
54
|
57
|
59
|
|
|
2024/10
|
28
|
38
|
37
|
34
|
46
|
42
|
46
|
43
|
37
|
37
|
39
|
38
|
41
|
40
|
45
|
35
|
35
|
42
|
43
|
36
|
40
|
37
|
48
|
47
|
49
|
37
|
43
|
48
|
53
|
47
|
35
|
|
2024/09
|
37
|
49
|
28
|
24
|
24
|
21
|
27
|
43
|
25
|
29
|
32
|
31
|
21
|
35
|
35
|
26
|
32
|
34
|
39
|
26
|
31
|
41
|
33
|
40
|
38
|
36
|
41
|
48
|
26
|
24
|
|
|
2024/08
|
37
|
34
|
37
|
36
|
40
|
43
|
30
|
33
|
48
|
41
|
40
|
40
|
44
|
28
|
33
|
31
|
32
|
31
|
40
|
38
|
42
|
43
|
33
|
34
|
31
|
37
|
38
|
34
|
35
|
31
|
41
|
|
2024/07
|
27
|
35
|
35
|
37
|
26
|
34
|
33
|
29
|
38
|
34
|
37
|
50
|
43
|
30
|
30
|
38
|
29
|
36
|
32
|
40
|
343
|
122
|
46
|
107
|
75
|
57
|
44
|
36
|
32
|
36
|
36
|
|
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