Air Quality
Excellent
No health implications.
5
PM2.5
18
PM10
47
O3
0.3
CO
6
SO2
3
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Sep
59
Good
Mon
8 Sep
54
Good
Tue
9 Sep
55
Good
Wed
10 Sep
51
Good
Thu
11 Sep
52
Good
Fri
12 Sep
50
Excellent
Sat
13 Sep
21
Excellent
Nehe Air quality rank
Air quality in the last 12 months (Nehe)
|
2025/08
|
21
|
22
|
17
|
19
|
22
|
18
|
19
|
22
|
15
|
14
|
16
|
18
|
21
|
20
|
21
|
16
|
20
|
21
|
24
|
20
|
25
|
16
|
21
|
18
|
24
|
21
|
24
|
25
|
27
|
20
|
28
|
|
2025/07
|
27
|
20
|
20
|
26
|
18
|
20
|
19
|
19
|
21
|
34
|
36
|
21
|
21
|
23
|
28
|
21
|
22
|
25
|
24
|
19
|
19
|
22
|
33
|
29
|
22
|
26
|
21
|
23
|
16
|
17
|
19
|
|
2025/06
|
22
|
25
|
20
|
18
|
20
|
14
|
17
|
20
|
16
|
19
|
19
|
30
|
26
|
22
|
26
|
24
|
20
|
24
|
18
|
18
|
16
|
22
|
34
|
35
|
37
|
31
|
40
|
32
|
28
|
33
|
|
|
2025/05
|
30
|
22
|
21
|
16
|
17
|
21
|
28
|
41
|
34
|
36
|
48
|
76
|
64
|
41
|
63
|
42
|
19
|
21
|
22
|
24
|
23
|
20
|
25
|
30
|
32
|
37
|
40
|
53
|
59
|
56
|
37
|
|
2025/04
|
49
|
47
|
46
|
76
|
56
|
39
|
58
|
37
|
52
|
95
|
53
|
32
|
18
|
21
|
17
|
26
|
39
|
27
|
19
|
51
|
71
|
19
|
27
|
16
|
14
|
21
|
50
|
33
|
73
|
27
|
|
|
2025/03
|
23
|
29
|
34
|
50
|
72
|
53
|
44
|
37
|
72
|
92
|
44
|
37
|
18
|
18
|
19
|
21
|
21
|
18
|
39
|
24
|
16
|
20
|
67
|
25
|
19
|
30
|
14
|
17
|
13
|
20
|
33
|
|
2025/02
|
55
|
116
|
68
|
24
|
38
|
45
|
18
|
16
|
23
|
34
|
63
|
56
|
42
|
27
|
27
|
29
|
21
|
20
|
23
|
26
|
30
|
30
|
26
|
30
|
34
|
22
|
41
|
27
|
|||
|
2025/01
|
93
|
60
|
52
|
108
|
88
|
52
|
38
|
31
|
30
|
43
|
68
|
145
|
182
|
100
|
33
|
37
|
76
|
138
|
151
|
108
|
84
|
62
|
151
|
200
|
200
|
147
|
31
|
46
|
51
|
30
|
34
|
|
2024/12
|
37
|
18
|
21
|
18
|
24
|
18
|
24
|
27
|
76
|
57
|
23
|
35
|
53
|
35
|
27
|
23
|
29
|
30
|
40
|
68
|
35
|
27
|
29
|
37
|
40
|
25
|
27
|
32
|
46
|
86
|
87
|
|
2024/11
|
44
|
51
|
40
|
25
|
32
|
58
|
98
|
127
|
200
|
113
|
158
|
55
|
120
|
217
|
127
|
49
|
20
|
23
|
43
|
76
|
54
|
27
|
47
|
133
|
146
|
55
|
22
|
36
|
22
|
26
|
|
|
2024/10
|
22
|
20
|
21
|
27
|
32
|
42
|
61
|
36
|
44
|
28
|
22
|
18
|
37
|
47
|
13
|
23
|
28
|
26
|
17
|
39
|
38
|
41
|
36
|
51
|
42
|
73
|
47
|
37
|
62
|
57
|
61
|
|
2024/09
|
13
|
16
|
19
|
22
|
15
|
16
|
20
|
21
|
33
|
23
|
15
|
24
|
14
|
18
|
22
|
22
|
19
|
18
|
14
|
19
|
20
|
22
|
24
|
25
|
21
|
27
|
27
|
23
|
33
|
17
|
|
|
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