Air Quality
Excellent
No health implications.
8
PM2.5
15
PM10
43
O3
0.6
CO
2
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
41
Excellent
Fri
29 Aug
52
Good
Sat
30 Aug
56
Good
Sun
31 Aug
49
Excellent
Mon
1 Sep
61
Good
Tue
2 Sep
58
Good
Wed
3 Sep
33
Excellent
Air quality in the last 12 months (Hongwei)
|
2025/06
|
49
|
49
|
31
|
15
|
60
|
30
|
18
|
35
|
33
|
23
|
30
|
34
|
18
|
36
|
28
|
21
|
29
|
28
|
27
|
19
|
30
|
32
|
38
|
42
|
47
|
50
|
32
|
21
|
26
|
16
|
|
|
2025/05
|
20
|
33
|
38
|
33
|
23
|
36
|
52
|
39
|
62
|
49
|
60
|
74
|
53
|
53
|
56
|
27
|
22
|
32
|
35
|
40
|
52
|
70
|
38
|
41
|
45
|
39
|
29
|
38
|
39
|
42
|
39
|
|
2025/04
|
83
|
52
|
60
|
48
|
42
|
52
|
58
|
73
|
73
|
54
|
43
|
22
|
26
|
25
|
52
|
32
|
53
|
47
|
41
|
36
|
34
|
28
|
49
|
58
|
56
|
52
|
49
|
65
|
56
|
46
|
|
|
2025/03
|
78
|
39
|
35
|
74
|
78
|
93
|
63
|
67
|
85
|
87
|
46
|
82
|
58
|
57
|
51
|
51
|
59
|
71
|
51
|
55
|
64
|
80
|
85
|
72
|
83
|
120
|
58
|
31
|
28
|
33
|
59
|
|
2025/02
|
156
|
176
|
62
|
39
|
41
|
63
|
51
|
49
|
63
|
56
|
54
|
50
|
68
|
69
|
90
|
48
|
28
|
28
|
43
|
40
|
51
|
52
|
45
|
53
|
88
|
59
|
85
|
119
|
|||
|
2025/01
|
44
|
55
|
57
|
44
|
155
|
128
|
78
|
42
|
33
|
75
|
91
|
109
|
86
|
64
|
44
|
53
|
62
|
48
|
73
|
93
|
86
|
78
|
95
|
123
|
136
|
159
|
121
|
52
|
147
|
101
|
120
|
|
2024/12
|
35
|
20
|
29
|
34
|
47
|
33
|
43
|
48
|
57
|
83
|
50
|
68
|
68
|
67
|
50
|
60
|
28
|
54
|
59
|
74
|
47
|
52
|
48
|
63
|
82
|
46
|
49
|
63
|
54
|
78
|
51
|
|
2024/11
|
86
|
90
|
53
|
28
|
26
|
40
|
35
|
44
|
43
|
41
|
53
|
49
|
28
|
24
|
30
|
25
|
24
|
26
|
31
|
77
|
53
|
49
|
78
|
52
|
43
|
16
|
30
|
44
|
48
|
54
|
|
|
2024/10
|
20
|
31
|
25
|
29
|
38
|
52
|
34
|
48
|
36
|
24
|
35
|
55
|
42
|
29
|
22
|
49
|
46
|
45
|
27
|
44
|
24
|
33
|
35
|
62
|
80
|
101
|
38
|
64
|
62
|
66
|
87
|
|
2024/09
|
27
|
18
|
33
|
31
|
22
|
30
|
31
|
34
|
34
|
31
|
42
|
48
|
46
|
21
|
29
|
43
|
56
|
50
|
48
|
21
|
19
|
34
|
38
|
22
|
28
|
35
|
49
|
41
|
29
|
16
|
|
|
2024/08
|
17
|
27
|
35
|
18
|
13
|
27
|
28
|
44
|
44
|
18
|
39
|
43
|
36
|
40
|
43
|
41
|
43
|
35
|
20
|
23
|
25
|
24
|
29
|
46
|
43
|
25
|
33
|
38
|
34
|
38
|
41
|
|
2024/07
|
43
|
54
|
23
|
49
|
74
|
27
|
42
|
45
|
52
|
54
|
63
|
62
|
48
|
54
|
47
|
18
|
22
|
39
|
29
|
16
|
25
|
16
|
22
|
23
|
15
|
17
|
15
|
12
|
37
|
44
|
14
|
|
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