Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
25
PM2.5
55
*
PM10
64
O3
0.4
CO
11
SO2
3
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
28 Mar
93
Good
Sat
29 Mar
61
Good
Sun
30 Mar
61
Good
Mon
31 Mar
54
Good
Tue
1 Apr
56
Good
Wed
2 Apr
34
Excellent
Thu
3 Apr
35
Excellent
Air quality in the last 12 months (Henan)
|
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
|
|
|
2024/10
|
26
|
27
|
31
|
36
|
34
|
30
|
28
|
30
|
29
|
20
|
25
|
23
|
26
|
26
|
30
|
21
|
22
|
23
|
25
|
31
|
52
|
42
|
33
|
30
|
37
|
33
|
28
|
31
|
36
|
39
|
25
|
|
2024/09
|
29
|
19
|
22
|
16
|
16
|
16
|
19
|
24
|
12
|
15
|
15
|
19
|
13
|
14
|
15
|
13
|
15
|
16
|
18
|
13
|
13
|
22
|
30
|
26
|
34
|
31
|
33
|
33
|
27
|
25
|
|
|
2024/08
|
28
|
28
|
24
|
29
|
28
|
29
|
28
|
16
|
25
|
31
|
24
|
27
|
28
|
18
|
25
|
33
|
26
|
23
|
28
|
30
|
29
|
29
|
24
|
18
|
21
|
17
|
25
|
30
|
24
|
24
|
26
|
|
2024/07
|
22
|
22
|
24
|
19
|
28
|
35
|
27
|
18
|
21
|
24
|
32
|
27
|
21
|
20
|
26
|
23
|
23
|
28
|
27
|
18
|
97
|
67
|
26
|
54
|
57
|
35
|
24
|
24
|
26
|
24
|
26
|
|
2024/06
|
27
|
25
|
27
|
29
|
33
|
22
|
25
|
16
|
20
|
22
|
21
|
25
|
22
|
20
|
21
|
14
|
18
|
23
|
25
|
17
|
15
|
18
|
26
|
18
|
29
|
27
|
27
|
19
|
28
|
18
|
|
|
2024/05
|
27
|
22
|
25
|
49
|
44
|
41
|
36
|
23
|
26
|
34
|
19
|
26
|
26
|
19
|
22
|
21
|
45
|
26
|
40
|
49
|
34
|
34
|
41
|
51
|
22
|
32
|
32
|
17
|
14
|
18
|
27
|
|
2024/04
|
40
|
59
|
64
|
46
|
28
|
15
|
22
|
29
|
22
|
34
|
34
|
25
|
34
|
25
|
97
|
85
|
43
|
29
|
46
|
46
|
32
|
33
|
26
|
24
|
30
|
28
|
31
|
74
|
39
|
24
|
|
|
2024/03
|
56
|
52
|
52
|
63
|
49
|
69
|
50
|
54
|
46
|
46
|
40
|
32
|
34
|
31
|
31
|
146
|
76
|
77
|
63
|
48
|
37
|
40
|
69
|
24
|
28
|
22
|
41
|
38
|
25
|
28
|
35
|
|
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