Air Quality
Excellent
No health implications.
5
PM2.5
11
PM10
37
O3
0.7
CO
15
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Mar
40
Excellent
Wed
5 Mar
41
Excellent
Thu
6 Mar
43
Excellent
Fri
7 Mar
52
Good
Sat
8 Mar
47
Excellent
Sun
9 Mar
47
Excellent
Mon
10 Mar
49
Excellent
Air quality in the last 12 months (Hengfeng)
|
2025/01
|
89
|
77
|
72
|
65
|
88
|
72
|
73
|
80
|
62
|
45
|
48
|
54
|
59
|
57
|
73
|
58
|
52
|
54
|
57
|
59
|
65
|
63
|
56
|
55
|
38
|
23
|
47
|
69
|
150
|
58
|
38
|
|
2024/12
|
51
|
53
|
59
|
79
|
50
|
29
|
45
|
65
|
46
|
49
|
23
|
30
|
67
|
58
|
54
|
54
|
58
|
60
|
58
|
58
|
61
|
67
|
53
|
69
|
85
|
83
|
101
|
76
|
65
|
68
|
70
|
|
2024/11
|
22
|
33
|
43
|
54
|
63
|
49
|
35
|
38
|
39
|
41
|
41
|
48
|
48
|
43
|
23
|
24
|
24
|
26
|
32
|
37
|
39
|
34
|
59
|
46
|
36
|
29
|
42
|
45
|
54
|
50
|
|
|
2024/10
|
32
|
29
|
30
|
30
|
31
|
24
|
23
|
16
|
36
|
47
|
54
|
59
|
49
|
46
|
70
|
20
|
30
|
40
|
25
|
17
|
40
|
39
|
32
|
45
|
32
|
43
|
17
|
16
|
45
|
49
|
32
|
|
2024/09
|
41
|
52
|
50
|
42
|
35
|
33
|
34
|
37
|
33
|
34
|
36
|
23
|
38
|
40
|
34
|
36
|
25
|
22
|
33
|
40
|
28
|
19
|
22
|
20
|
36
|
40
|
29
|
29
|
37
|
37
|
|
|
2024/08
|
17
|
26
|
32
|
38
|
32
|
37
|
39
|
33
|
37
|
42
|
37
|
29
|
28
|
27
|
26
|
37
|
35
|
28
|
19
|
27
|
19
|
34
|
37
|
40
|
45
|
48
|
39
|
30
|
37
|
47
|
45
|
|
2024/07
|
24
|
27
|
23
|
24
|
26
|
21
|
25
|
23
|
25
|
30
|
32
|
28
|
28
|
27
|
33
|
34
|
26
|
24
|
23
|
27
|
34
|
28
|
32
|
28
|
20
|
17
|
17
|
15
|
20
|
24
|
22
|
|
2024/06
|
12
|
14
|
25
|
35
|
29
|
19
|
29
|
35
|
35
|
23
|
14
|
24
|
28
|
24
|
18
|
22
|
17
|
18
|
32
|
39
|
35
|
30
|
32
|
19
|
13
|
16
|
24
|
31
|
30
|
31
|
|
|
2024/05
|
13
|
33
|
43
|
25
|
16
|
27
|
44
|
47
|
56
|
57
|
45
|
38
|
57
|
51
|
50
|
58
|
51
|
52
|
51
|
35
|
24
|
26
|
31
|
23
|
26
|
23
|
21
|
18
|
32
|
43
|
34
|
|
2024/04
|
32
|
23
|
23
|
20
|
22
|
29
|
26
|
27
|
31
|
49
|
51
|
39
|
42
|
31
|
45
|
43
|
20
|
24
|
35
|
26
|
22
|
26
|
41
|
50
|
49
|
43
|
39
|
42
|
33
|
13
|
|
|
2024/03
|
37
|
40
|
39
|
40
|
28
|
22
|
33
|
53
|
61
|
61
|
60
|
56
|
70
|
57
|
53
|
48
|
37
|
37
|
49
|
60
|
55
|
54
|
47
|
38
|
39
|
20
|
40
|
33
|
47
|
49
|
24
|
|
2024/02
|
37
|
16
|
15
|
14
|
27
|
15
|
17
|
40
|
85
|
147
|
78
|
56
|
45
|
44
|
36
|
21
|
27
|
36
|
41
|
41
|
19
|
11
|
13
|
17
|
42
|
36
|
45
|
43
|
28
|
||
|
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