Air Quality
Excellent
No health implications.
19
PM2.5
25
PM10
88
O3
0.4
CO
8
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Sep
50
Excellent
Mon
7 Sep
45
Excellent
Tue
8 Sep
47
Excellent
Wed
9 Sep
48
Excellent
Thu
10 Sep
45
Excellent
Fri
11 Sep
45
Excellent
Sat
12 Sep
22
Excellent
Air quality in the last 12 months (Henan)
|
2026/08
|
31
|
31
|
31
|
33
|
34
|
34
|
37
|
31
|
30
|
33
|
29
|
33
|
36
|
34
|
26
|
27
|
26
|
27
|
29
|
31
|
28
|
25
|
25
|
22
|
22
|
27
|
22
|
29
|
31
|
30
|
32
|
|
2026/07
|
35
|
37
|
39
|
45
|
40
|
35
|
30
|
33
|
32
|
28
|
126
|
26
|
23
|
28
|
27
|
32
|
25
|
37
|
36
|
36
|
36
|
34
|
39
|
37
|
35
|
34
|
38
|
37
|
34
|
37
|
26
|
|
2026/06
|
53
|
43
|
34
|
44
|
44
|
55
|
54
|
56
|
41
|
33
|
28
|
32
|
33
|
33
|
37
|
39
|
34
|
32
|
34
|
27
|
31
|
28
|
30
|
31
|
33
|
32
|
39
|
35
|
34
|
37
|
|
|
2026/05
|
32
|
38
|
39
|
39
|
37
|
38
|
45
|
33
|
35
|
33
|
39
|
39
|
42
|
45
|
43
|
31
|
32
|
31
|
37
|
40
|
32
|
64
|
40
|
35
|
33
|
50
|
36
|
31
|
33
|
38
|
54
|
|
2026/04
|
39
|
36
|
52
|
39
|
47
|
52
|
32
|
28
|
33
|
36
|
30
|
44
|
33
|
35
|
36
|
45
|
40
|
37
|
112
|
80
|
36
|
59
|
66
|
52
|
42
|
45
|
36
|
30
|
35
|
32
|
|
|
2026/03
|
54
|
40
|
46
|
59
|
66
|
45
|
43
|
43
|
31
|
33
|
31
|
42
|
103
|
61
|
76
|
44
|
37
|
36
|
36
|
48
|
42
|
60
|
57
|
41
|
34
|
35
|
52
|
50
|
38
|
58
|
42
|
|
2026/02
|
56
|
49
|
51
|
56
|
51
|
58
|
45
|
35
|
59
|
53
|
36
|
32
|
23
|
29
|
53
|
47
|
75
|
47
|
39
|
19
|
32
|
26
|
63
|
37
|
35
|
43
|
41
|
53
|
|||
|
2026/01
|
47
|
45
|
51
|
46
|
47
|
39
|
26
|
28
|
33
|
26
|
29
|
29
|
26
|
34
|
40
|
31
|
39
|
65
|
71
|
57
|
51
|
49
|
33
|
27
|
68
|
80
|
53
|
61
|
74
|
56
|
50
|
|
2025/12
|
34
|
47
|
44
|
43
|
37
|
37
|
40
|
46
|
41
|
34
|
38
|
139
|
56
|
37
|
36
|
38
|
34
|
33
|
47
|
49
|
47
|
57
|
66
|
52
|
43
|
36
|
30
|
31
|
32
|
31
|
45
|
|
2025/11
|
37
|
38
|
34
|
27
|
32
|
27
|
62
|
82
|
60
|
39
|
34
|
36
|
23
|
35
|
34
|
38
|
58
|
40
|
30
|
34
|
31
|
35
|
34
|
77
|
53
|
53
|
33
|
39
|
39
|
36
|
|
|
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
|
|
|
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