Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
56
*
PM2.5
94
PM10
25
O3
0.8
CO
4
SO2
28
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Jan
97
Good
Sun
18 Jan
55
Good
Mon
19 Jan
50
Excellent
Tue
20 Jan
91
Good
Wed
21 Jan
108
Light
Thu
22 Jan
126
Light
Fri
23 Jan
17
Excellent
Changyuan Air quality rank
1
Daxing'anling Prefecture, Heilongjiang
2
Jiagedaqi, Heilongjiang
3
Oroqen, Inner Mongolia
4
Zhanhua, Shandong
5
Garze Prefecture, Sichuan
6
Zhalantun, Inner Mongolia
7
Gannan Prefecture, Heilongjiang
8
Tahe, Heilongjiang
9
Arun Banner, Inner Mongolia
1641
Changyuan, Henan
Air quality in the last 12 months (Changyuan)
|
2025/11
|
100
|
76
|
73
|
94
|
96
|
133
|
105
|
67
|
61
|
89
|
89
|
95
|
105
|
141
|
145
|
116
|
41
|
49
|
56
|
74
|
92
|
81
|
81
|
105
|
76
|
132
|
240
|
141
|
119
|
127
|
|
|
2025/10
|
41
|
19
|
35
|
33
|
18
|
11
|
32
|
30
|
8
|
10
|
21
|
15
|
28
|
41
|
42
|
52
|
18
|
31
|
46
|
43
|
51
|
74
|
103
|
100
|
74
|
103
|
100
|
95
|
85
|
129
|
198
|
|
2025/09
|
36
|
34
|
33
|
24
|
30
|
51
|
58
|
36
|
30
|
38
|
33
|
26
|
49
|
46
|
37
|
25
|
24
|
24
|
18
|
33
|
46
|
21
|
25
|
35
|
43
|
39
|
16
|
33
|
41
|
54
|
|
|
2025/08
|
38
|
34
|
41
|
42
|
45
|
35
|
39
|
33
|
20
|
29
|
35
|
23
|
30
|
34
|
35
|
25
|
30
|
34
|
37
|
28
|
29
|
37
|
31
|
25
|
31
|
40
|
43
|
31
|
29
|
33
|
24
|
|
2025/07
|
14
|
26
|
24
|
32
|
36
|
40
|
41
|
33
|
34
|
57
|
70
|
55
|
44
|
48
|
47
|
40
|
35
|
44
|
49
|
46
|
43
|
31
|
18
|
25
|
34
|
31
|
31
|
32
|
27
|
33
|
42
|
|
2025/06
|
56
|
62
|
63
|
64
|
73
|
68
|
83
|
85
|
62
|
58
|
55
|
54
|
54
|
51
|
48
|
42
|
46
|
37
|
27
|
37
|
44
|
44
|
43
|
47
|
61
|
28
|
39
|
27
|
18
|
24
|
|
|
2025/05
|
64
|
90
|
50
|
51
|
180
|
129
|
91
|
78
|
52
|
33
|
52
|
54
|
66
|
71
|
52
|
87
|
128
|
83
|
100
|
72
|
73
|
70
|
75
|
59
|
59
|
52
|
61
|
61
|
61
|
67
|
56
|
|
2025/04
|
73
|
58
|
61
|
94
|
78
|
89
|
92
|
93
|
97
|
114
|
94
|
216
|
101
|
57
|
64
|
119
|
131
|
113
|
49
|
66
|
62
|
70
|
87
|
75
|
76
|
73
|
83
|
61
|
60
|
88
|
|
|
2025/03
|
122
|
52
|
44
|
34
|
78
|
93
|
83
|
84
|
107
|
109
|
98
|
143
|
120
|
64
|
74
|
47
|
52
|
58
|
68
|
56
|
53
|
70
|
99
|
297
|
178
|
111
|
114
|
147
|
68
|
63
|
76
|
|
2025/02
|
94
|
144
|
114
|
71
|
56
|
70
|
83
|
61
|
72
|
75
|
119
|
129
|
87
|
87
|
84
|
72
|
72
|
75
|
65
|
71
|
84
|
87
|
69
|
66
|
79
|
96
|
120
|
130
|
|||
|
2025/01
|
149
|
96
|
115
|
187
|
106
|
67
|
63
|
58
|
53
|
78
|
88
|
64
|
93
|
126
|
59
|
62
|
82
|
108
|
113
|
137
|
215
|
128
|
87
|
145
|
123
|
76
|
40
|
70
|
258
|
176
|
93
|
|
2024/12
|
73
|
62
|
80
|
126
|
135
|
125
|
86
|
66
|
74
|
122
|
133
|
118
|
87
|
74
|
64
|
72
|
97
|
62
|
56
|
95
|
66
|
60
|
80
|
132
|
174
|
122
|
74
|
65
|
83
|
89
|
104
|
|
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