Air Quality
Excellent
No health implications.
9
PM2.5
16
PM10
93
O3
0.3
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
57
Good
Sat
17 May
60
Good
Sun
18 May
59
Good
Mon
19 May
59
Good
Tue
20 May
59
Good
Wed
21 May
61
Good
Thu
22 May
36
Excellent
Air quality in the last 12 months (Huaning)
|
2025/02
|
45
|
51
|
30
|
41
|
55
|
50
|
37
|
42
|
40
|
34
|
39
|
43
|
52
|
51
|
56
|
56
|
44
|
42
|
43
|
49
|
54
|
47
|
47
|
23
|
29
|
24
|
31
|
42
|
|||
|
2025/01
|
35
|
34
|
50
|
49
|
46
|
59
|
47
|
48
|
50
|
40
|
29
|
49
|
40
|
46
|
75
|
73
|
57
|
52
|
63
|
49
|
57
|
52
|
41
|
29
|
29
|
30
|
42
|
55
|
76
|
33
|
36
|
|
2024/12
|
24
|
26
|
23
|
23
|
23
|
21
|
23
|
26
|
19
|
24
|
31
|
29
|
28
|
36
|
50
|
44
|
24
|
39
|
49
|
41
|
40
|
43
|
37
|
40
|
46
|
53
|
52
|
43
|
39
|
30
|
40
|
|
2024/11
|
30
|
37
|
44
|
45
|
42
|
50
|
37
|
36
|
31
|
25
|
26
|
25
|
23
|
24
|
24
|
25
|
31
|
34
|
37
|
34
|
24
|
31
|
24
|
27
|
27
|
32
|
18
|
20
|
32
|
28
|
|
|
2024/10
|
26
|
19
|
26
|
24
|
32
|
34
|
38
|
42
|
29
|
22
|
29
|
29
|
24
|
25
|
26
|
18
|
16
|
26
|
35
|
25
|
20
|
25
|
24
|
33
|
26
|
31
|
43
|
48
|
44
|
35
|
28
|
|
2024/09
|
25
|
22
|
20
|
22
|
19
|
26
|
26
|
10
|
9
|
10
|
12
|
12
|
23
|
27
|
30
|
22
|
18
|
19
|
24
|
28
|
27
|
17
|
21
|
31
|
35
|
38
|
36
|
27
|
24
|
29
|
|
|
2024/08
|
38
|
30
|
19
|
16
|
16
|
13
|
12
|
11
|
11
|
14
|
30
|
44
|
40
|
34
|
31
|
28
|
32
|
35
|
29
|
38
|
31
|
22
|
16
|
19
|
18
|
13
|
20
|
25
|
23
|
26
|
29
|
|
2024/07
|
11
|
16
|
21
|
9
|
17
|
21
|
14
|
16
|
13
|
13
|
11
|
14
|
16
|
13
|
16
|
15
|
19
|
16
|
14
|
14
|
13
|
13
|
20
|
19
|
21
|
22
|
23
|
25
|
19
|
13
|
19
|
|
2024/06
|
26
|
23
|
28
|
30
|
13
|
14
|
15
|
15
|
13
|
11
|
15
|
20
|
11
|
17
|
16
|
16
|
25
|
28
|
30
|
31
|
21
|
20
|
20
|
20
|
18
|
14
|
14
|
15
|
11
|
13
|
|
|
2024/05
|
58
|
54
|
32
|
48
|
48
|
37
|
33
|
33
|
22
|
21
|
29
|
33
|
21
|
29
|
28
|
14
|
25
|
28
|
29
|
19
|
29
|
33
|
33
|
25
|
22
|
10
|
12
|
16
|
19
|
29
|
27
|
|
2024/04
|
43
|
48
|
57
|
61
|
62
|
80
|
71
|
60
|
60
|
65
|
76
|
79
|
69
|
47
|
64
|
80
|
84
|
67
|
46
|
47
|
43
|
49
|
49
|
50
|
42
|
44
|
51
|
60
|
56
|
53
|
|
|
2024/03
|
45
|
51
|
46
|
44
|
30
|
34
|
51
|
64
|
58
|
51
|
43
|
61
|
59
|
59
|
60
|
64
|
82
|
62
|
57
|
56
|
49
|
35
|
29
|
39
|
36
|
48
|
55
|
54
|
50
|
69
|
65
|
|
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