Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
94
PM2.5
249
*
PM10
64
O3
0.5
CO
11
SO2
22
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
4 May
94
Good
Mon
5 May
77
Good
Tue
6 May
81
Good
Wed
7 May
80
Good
Thu
8 May
70
Good
Fri
9 May
73
Good
Sat
10 May
33
Excellent
Air quality in the last 12 months (Hezheng)
|
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
|
|
2024/06
|
41
|
36
|
39
|
31
|
30
|
26
|
34
|
28
|
30
|
35
|
32
|
34
|
37
|
33
|
35
|
29
|
29
|
31
|
32
|
33
|
25
|
29
|
32
|
30
|
29
|
30
|
39
|
32
|
33
|
30
|
|
|
2024/05
|
52
|
37
|
34
|
54
|
61
|
65
|
62
|
45
|
49
|
55
|
49
|
52
|
49
|
38
|
50
|
74
|
88
|
61
|
69
|
79
|
61
|
55
|
62
|
95
|
50
|
54
|
43
|
42
|
28
|
32
|
53
|
|
2024/04
|
72
|
92
|
67
|
65
|
43
|
41
|
49
|
56
|
40
|
44
|
55
|
51
|
57
|
136
|
174
|
86
|
57
|
44
|
40
|
42
|
47
|
47
|
62
|
47
|
49
|
60
|
47
|
214
|
40
|
41
|
|
|
2024/03
|
61
|
72
|
82
|
68
|
76
|
69
|
114
|
98
|
87
|
66
|
68
|
71
|
67
|
65
|
132
|
312
|
78
|
100
|
89
|
77
|
75
|
74
|
89
|
42
|
51
|
43
|
50
|
56
|
57
|
152
|
83
|
|
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