Air Quality
Excellent
No health implications.
19
PM2.5
37
PM10
136
O3
0.6
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Mar
48
Excellent
Thu
12 Mar
51
Good
Fri
13 Mar
56
Good
Sat
14 Mar
53
Good
Sun
15 Mar
52
Good
Mon
16 Mar
51
Good
Tue
17 Mar
30
Excellent
Hengfeng Air quality rank
Air quality in the last 12 months (Hengfeng)
|
2026/02
|
27
|
45
|
57
|
62
|
80
|
44
|
16
|
39
|
42
|
53
|
54
|
63
|
68
|
51
|
42
|
30
|
66
|
71
|
60
|
41
|
40
|
53
|
89
|
50
|
25
|
23
|
19
|
17
|
|||
|
2026/01
|
30
|
28
|
53
|
67
|
48
|
47
|
54
|
51
|
54
|
57
|
60
|
60
|
65
|
60
|
61
|
70
|
73
|
85
|
69
|
20
|
35
|
51
|
65
|
69
|
64
|
75
|
38
|
49
|
79
|
38
|
15
|
|
2025/12
|
59
|
91
|
57
|
56
|
58
|
69
|
77
|
76
|
66
|
58
|
70
|
71
|
40
|
41
|
51
|
56
|
63
|
99
|
89
|
71
|
72
|
43
|
42
|
36
|
33
|
53
|
53
|
55
|
57
|
63
|
63
|
|
2025/11
|
42
|
43
|
57
|
31
|
30
|
38
|
40
|
34
|
19
|
37
|
44
|
23
|
38
|
47
|
62
|
67
|
58
|
31
|
36
|
41
|
48
|
58
|
59
|
56
|
70
|
79
|
80
|
78
|
64
|
59
|
|
|
2025/10
|
42
|
40
|
38
|
43
|
36
|
32
|
39
|
50
|
40
|
38
|
40
|
45
|
57
|
54
|
56
|
50
|
38
|
40
|
17
|
23
|
26
|
24
|
32
|
33
|
38
|
60
|
49
|
42
|
39
|
39
|
36
|
|
2025/09
|
24
|
32
|
32
|
32
|
41
|
33
|
33
|
28
|
25
|
22
|
21
|
24
|
27
|
23
|
34
|
30
|
30
|
29
|
26
|
30
|
24
|
30
|
29
|
20
|
27
|
27
|
36
|
42
|
46
|
46
|
|
|
2025/08
|
37
|
41
|
31
|
29
|
22
|
21
|
22
|
23
|
26
|
35
|
38
|
35
|
27
|
19
|
17
|
20
|
22
|
22
|
29
|
22
|
23
|
22
|
21
|
33
|
33
|
27
|
22
|
21
|
24
|
25
|
31
|
|
2025/07
|
23
|
28
|
32
|
36
|
32
|
30
|
30
|
30
|
23
|
19
|
27
|
21
|
18
|
27
|
36
|
35
|
45
|
36
|
24
|
20
|
15
|
16
|
23
|
21
|
29
|
25
|
18
|
23
|
20
|
28
|
24
|
|
2025/06
|
37
|
22
|
21
|
38
|
37
|
36
|
38
|
32
|
30
|
25
|
19
|
27
|
27
|
24
|
16
|
26
|
32
|
18
|
22
|
19
|
17
|
17
|
16
|
17
|
29
|
30
|
31
|
26
|
29
|
34
|
|
|
2025/05
|
46
|
47
|
57
|
56
|
32
|
46
|
76
|
45
|
23
|
42
|
39
|
44
|
44
|
45
|
58
|
35
|
27
|
27
|
32
|
26
|
23
|
29
|
15
|
50
|
62
|
62
|
55
|
43
|
21
|
27
|
40
|
|
2025/04
|
40
|
48
|
57
|
60
|
56
|
62
|
61
|
60
|
62
|
46
|
49
|
131
|
143
|
98
|
67
|
53
|
58
|
59
|
32
|
33
|
34
|
20
|
27
|
34
|
21
|
31
|
24
|
38
|
58
|
55
|
|
|
2025/03
|
37
|
41
|
40
|
16
|
22
|
21
|
49
|
49
|
59
|
55
|
57
|
53
|
19
|
20
|
16
|
33
|
36
|
39
|
46
|
46
|
44
|
49
|
53
|
64
|
64
|
70
|
61
|
54
|
36
|
40
|
38
|
|
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