Air Quality
Excellent
No health implications.
12
PM2.5
35
PM10
75
O3
0.5
CO
10
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Mar
61
Good
Fri
21 Mar
70
Good
Sat
22 Mar
56
Good
Sun
23 Mar
43
Excellent
Mon
24 Mar
49
Excellent
Tue
25 Mar
38
Excellent
Wed
26 Mar
17
Excellent
Air quality in the last 12 months (Hongshan)
|
2025/02
|
94
|
96
|
20
|
20
|
24
|
34
|
32
|
17
|
24
|
40
|
63
|
52
|
49
|
42
|
64
|
26
|
15
|
19
|
15
|
19
|
18
|
17
|
14
|
16
|
26
|
18
|
52
|
46
|
|||
|
2025/01
|
38
|
16
|
24
|
42
|
32
|
23
|
18
|
27
|
17
|
26
|
42
|
34
|
18
|
31
|
18
|
35
|
36
|
35
|
29
|
43
|
32
|
58
|
79
|
88
|
105
|
53
|
18
|
34
|
211
|
51
|
72
|
|
2024/12
|
53
|
15
|
21
|
17
|
22
|
17
|
16
|
16
|
24
|
29
|
29
|
40
|
21
|
16
|
17
|
18
|
16
|
24
|
37
|
30
|
20
|
14
|
24
|
45
|
48
|
27
|
25
|
18
|
55
|
59
|
28
|
|
2024/11
|
53
|
52
|
25
|
21
|
30
|
43
|
72
|
120
|
90
|
45
|
54
|
49
|
67
|
53
|
48
|
28
|
23
|
42
|
49
|
40
|
24
|
37
|
58
|
72
|
44
|
21
|
34
|
25
|
18
|
28
|
|
|
2024/10
|
17
|
26
|
21
|
45
|
51
|
19
|
23
|
24
|
65
|
21
|
25
|
49
|
93
|
53
|
29
|
57
|
57
|
29
|
21
|
38
|
40
|
27
|
48
|
52
|
52
|
35
|
41
|
40
|
41
|
38
|
58
|
|
2024/09
|
18
|
13
|
22
|
32
|
17
|
17
|
14
|
21
|
20
|
17
|
22
|
28
|
37
|
17
|
22
|
21
|
32
|
21
|
33
|
11
|
10
|
16
|
17
|
22
|
19
|
19
|
36
|
63
|
48
|
10
|
|
|
2024/08
|
15
|
27
|
20
|
20
|
26
|
23
|
29
|
28
|
41
|
22
|
13
|
10
|
16
|
24
|
29
|
25
|
35
|
31
|
22
|
13
|
13
|
16
|
15
|
19
|
23
|
15
|
21
|
36
|
31
|
24
|
26
|
|
2024/07
|
32
|
34
|
18
|
29
|
29
|
25
|
24
|
54
|
57
|
46
|
51
|
34
|
37
|
40
|
36
|
27
|
11
|
15
|
24
|
23
|
35
|
20
|
25
|
27
|
23
|
22
|
21
|
22
|
13
|
26
|
14
|
|
2024/06
|
22
|
24
|
29
|
37
|
42
|
40
|
27
|
14
|
20
|
41
|
25
|
43
|
31
|
15
|
12
|
19
|
27
|
44
|
48
|
45
|
55
|
164
|
72
|
27
|
27
|
34
|
41
|
38
|
40
|
30
|
|
|
2024/05
|
23
|
32
|
35
|
54
|
68
|
54
|
48
|
46
|
66
|
116
|
64
|
22
|
24
|
40
|
17
|
24
|
56
|
55
|
40
|
21
|
34
|
39
|
44
|
42
|
27
|
38
|
29
|
27
|
47
|
40
|
15
|
|
2024/04
|
72
|
59
|
37
|
40
|
64
|
34
|
40
|
46
|
63
|
58
|
49
|
81
|
64
|
53
|
178
|
27
|
49
|
55
|
36
|
29
|
30
|
61
|
28
|
40
|
80
|
39
|
37
|
18
|
33
|
22
|
|
|
2024/03
|
21
|
36
|
23
|
45
|
44
|
37
|
36
|
26
|
45
|
54
|
40
|
25
|
29
|
42
|
49
|
180
|
28
|
48
|
29
|
24
|
57
|
53
|
52
|
34
|
62
|
69
|
128
|
224
|
67
|
34
|
54
|
|
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