Air Quality
Excellent
No health implications.
16
PM2.5
22
PM10
57
O3
0.3
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
54
Good
Wed
21 May
53
Good
Thu
22 May
54
Good
Fri
23 May
51
Good
Sat
24 May
53
Good
Sun
25 May
15
Excellent
Mon
26 May
23
Excellent
Air quality in the last 12 months (Nehe)
|
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
|
|
|
2024/08
|
22
|
21
|
18
|
18
|
18
|
21
|
23
|
19
|
27
|
28
|
16
|
15
|
19
|
21
|
24
|
25
|
26
|
22
|
19
|
22
|
21
|
21
|
24
|
23
|
24
|
15
|
15
|
18
|
20
|
15
|
13
|
|
2024/07
|
41
|
52
|
57
|
57
|
57
|
64
|
70
|
82
|
72
|
82
|
94
|
86
|
93
|
75
|
55
|
45
|
18
|
26
|
26
|
25
|
16
|
19
|
20
|
16
|
22
|
19
|
13
|
17
|
19
|
20
|
23
|
|
2024/06
|
26
|
28
|
32
|
20
|
31
|
38
|
24
|
14
|
16
|
22
|
22
|
20
|
24
|
18
|
19
|
24
|
17
|
19
|
25
|
20
|
14
|
16
|
16
|
21
|
31
|
34
|
34
|
42
|
36
|
43
|
|
|
2024/05
|
41
|
33
|
44
|
56
|
33
|
31
|
31
|
53
|
25
|
28
|
21
|
40
|
29
|
17
|
16
|
23
|
37
|
21
|
25
|
27
|
35
|
28
|
15
|
21
|
27
|
25
|
30
|
29
|
18
|
17
|
25
|
|
2024/04
|
25
|
60
|
43
|
27
|
46
|
29
|
34
|
29
|
46
|
77
|
81
|
88
|
63
|
83
|
105
|
31
|
35
|
32
|
19
|
66
|
171
|
110
|
21
|
28
|
25
|
14
|
16
|
15
|
25
|
28
|
|
|
2024/03
|
27
|
28
|
29
|
28
|
27
|
27
|
33
|
25
|
30
|
42
|
31
|
37
|
36
|
44
|
25
|
54
|
20
|
24
|
30
|
24
|
28
|
43
|
59
|
20
|
34
|
54
|
76
|
135
|
22
|
21
|
21
|
|
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