Air Quality
Excellent
No health implications.
11
PM2.5
29
PM10
65
O3
0.5
CO
13
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jun
42
Excellent
Mon
23 Jun
40
Excellent
Tue
24 Jun
45
Excellent
Wed
25 Jun
51
Good
Thu
26 Jun
50
Excellent
Fri
27 Jun
38
Excellent
Sat
28 Jun
22
Excellent
Air quality in the last 12 months (Hengfeng)
|
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
|
|
2025/02
|
22
|
15
|
30
|
46
|
43
|
50
|
58
|
50
|
32
|
44
|
56
|
57
|
71
|
85
|
53
|
56
|
57
|
33
|
38
|
20
|
15
|
22
|
19
|
47
|
74
|
65
|
50
|
36
|
|||
|
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
|
|
|
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