Air Quality
Excellent
No health implications.
15
PM2.5
46
PM10
50
O3
0.5
CO
11
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Nov
50
Excellent
Sat
8 Nov
40
Excellent
Sun
9 Nov
44
Excellent
Mon
10 Nov
47
Excellent
Tue
11 Nov
45
Excellent
Wed
12 Nov
45
Excellent
Thu
13 Nov
24
Excellent
Air quality in the last 12 months (Henan)
|
2025/10
|
16
|
25
|
24
|
30
|
17
|
18
|
16
|
21
|
21
|
19
|
18
|
22
|
26
|
26
|
31
|
29
|
31
|
32
|
31
|
33
|
32
|
24
|
21
|
23
|
28
|
32
|
30
|
32
|
32
|
33
|
47
|
|
2025/09
|
28
|
22
|
28
|
22
|
29
|
46
|
51
|
44
|
38
|
32
|
29
|
31
|
38
|
40
|
20
|
53
|
28
|
19
|
24
|
29
|
23
|
19
|
33
|
36
|
34
|
22
|
24
|
21
|
19
|
23
|
|
|
2025/08
|
32
|
31
|
28
|
16
|
22
|
25
|
22
|
19
|
18
|
23
|
31
|
37
|
32
|
32
|
28
|
33
|
32
|
28
|
17
|
15
|
12
|
17
|
21
|
30
|
26
|
22
|
15
|
13
|
21
|
31
|
35
|
|
2025/07
|
32
|
23
|
22
|
19
|
23
|
22
|
30
|
36
|
37
|
32
|
31
|
28
|
30
|
34
|
35
|
38
|
36
|
27
|
42
|
20
|
20
|
28
|
27
|
22
|
23
|
24
|
36
|
31
|
31
|
24
|
32
|
|
2025/06
|
16
|
19
|
20
|
22
|
29
|
30
|
29
|
31
|
17
|
31
|
27
|
28
|
33
|
32
|
37
|
37
|
44
|
32
|
26
|
31
|
27
|
21
|
23
|
18
|
23
|
32
|
32
|
31
|
30
|
33
|
|
|
2025/05
|
35
|
42
|
112
|
61
|
35
|
41
|
73
|
84
|
59
|
33
|
28
|
42
|
50
|
83
|
16
|
33
|
17
|
41
|
36
|
28
|
33
|
69
|
63
|
49
|
36
|
38
|
30
|
32
|
31
|
52
|
45
|
|
2025/04
|
84
|
77
|
61
|
78
|
76
|
56
|
52
|
86
|
63
|
59
|
60
|
24
|
35
|
44
|
54
|
51
|
53
|
85
|
61
|
60
|
89
|
60
|
51
|
39
|
31
|
26
|
58
|
46
|
43
|
44
|
|
|
2025/03
|
46
|
49
|
47
|
39
|
45
|
66
|
80
|
54
|
34
|
40
|
61
|
95
|
49
|
34
|
46
|
39
|
40
|
47
|
56
|
53
|
46
|
52
|
51
|
28
|
19
|
116
|
169
|
62
|
72
|
83
|
94
|
|
2025/02
|
36
|
44
|
38
|
40
|
51
|
52
|
48
|
48
|
43
|
46
|
53
|
58
|
47
|
49
|
42
|
39
|
31
|
34
|
46
|
49
|
48
|
45
|
50
|
45
|
35
|
32
|
42
|
42
|
|||
|
2025/01
|
33
|
44
|
37
|
51
|
35
|
40
|
54
|
55
|
50
|
57
|
35
|
23
|
24
|
35
|
45
|
40
|
45
|
52
|
38
|
38
|
40
|
49
|
50
|
53
|
77
|
53
|
17
|
21
|
40
|
28
|
30
|
|
2024/12
|
31
|
33
|
31
|
42
|
42
|
38
|
48
|
49
|
44
|
49
|
49
|
47
|
40
|
37
|
28
|
25
|
26
|
44
|
45
|
41
|
55
|
44
|
43
|
62
|
61
|
47
|
58
|
39
|
47
|
35
|
30
|
|
2024/11
|
27
|
30
|
28
|
33
|
32
|
27
|
29
|
30
|
36
|
39
|
47
|
42
|
44
|
35
|
38
|
45
|
38
|
38
|
36
|
30
|
31
|
26
|
28
|
39
|
57
|
31
|
22
|
24
|
37
|
33
|
|
|
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