Air Quality
Excellent
No health implications.
26
PM2.5
40
PM10
86
O3
0.6
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
50
Excellent
Fri
18 Sep
62
Good
Sat
19 Sep
64
Good
Sun
20 Sep
61
Good
Mon
21 Sep
80
Good
Tue
22 Sep
73
Good
Wed
23 Sep
23
Excellent
Air quality in the last 12 months (Hongjiang)
|
2026/08
|
19
|
19
|
25
|
22
|
21
|
25
|
29
|
31
|
36
|
34
|
27
|
21
|
16
|
19
|
22
|
31
|
31
|
34
|
31
|
34
|
35
|
32
|
28
|
24
|
16
|
25
|
26
|
25
|
28
|
24
|
35
|
|
2026/07
|
17
|
25
|
22
|
25
|
18
|
17
|
16
|
16
|
18
|
19
|
27
|
29
|
28
|
29
|
30
|
18
|
17
|
18
|
15
|
24
|
25
|
24
|
23
|
24
|
30
|
31
|
22
|
19
|
21
|
17
|
14
|
|
2026/06
|
33
|
37
|
32
|
27
|
33
|
36
|
24
|
30
|
26
|
29
|
32
|
30
|
20
|
21
|
30
|
34
|
39
|
33
|
14
|
16
|
19
|
20
|
18
|
16
|
19
|
28
|
36
|
36
|
35
|
23
|
|
|
2026/05
|
37
|
36
|
26
|
33
|
42
|
44
|
44
|
31
|
31
|
43
|
55
|
56
|
23
|
29
|
36
|
54
|
32
|
19
|
17
|
19
|
23
|
29
|
41
|
39
|
29
|
30
|
24
|
26
|
25
|
31
|
34
|
|
2026/04
|
30
|
37
|
21
|
40
|
59
|
35
|
37
|
57
|
66
|
49
|
25
|
26
|
25
|
22
|
19
|
18
|
25
|
38
|
45
|
30
|
19
|
16
|
24
|
31
|
45
|
55
|
37
|
23
|
31
|
33
|
|
|
2026/03
|
9
|
15
|
28
|
27
|
32
|
51
|
57
|
16
|
24
|
45
|
30
|
45
|
57
|
57
|
49
|
19
|
21
|
21
|
35
|
27
|
30
|
20
|
21
|
20
|
26
|
23
|
20
|
29
|
31
|
23
|
31
|
|
2026/02
|
57
|
67
|
70
|
84
|
82
|
77
|
86
|
57
|
52
|
36
|
45
|
68
|
55
|
45
|
47
|
24
|
43
|
58
|
45
|
41
|
53
|
58
|
39
|
43
|
57
|
22
|
16
|
19
|
|||
|
2026/01
|
29
|
60
|
63
|
40
|
44
|
54
|
59
|
61
|
70
|
111
|
101
|
104
|
96
|
99
|
117
|
133
|
116
|
122
|
61
|
29
|
49
|
64
|
71
|
82
|
68
|
27
|
68
|
78
|
71
|
19
|
46
|
|
2025/12
|
65
|
89
|
72
|
61
|
56
|
61
|
69
|
63
|
74
|
86
|
87
|
136
|
34
|
48
|
58
|
64
|
67
|
70
|
68
|
73
|
51
|
62
|
42
|
48
|
60
|
57
|
59
|
63
|
81
|
95
|
89
|
|
2025/11
|
36
|
23
|
17
|
19
|
29
|
21
|
19
|
8
|
9
|
12
|
39
|
45
|
40
|
45
|
45
|
53
|
50
|
25
|
27
|
32
|
34
|
40
|
40
|
44
|
49
|
50
|
60
|
59
|
53
|
55
|
|
|
2025/10
|
41
|
24
|
24
|
31
|
34
|
27
|
23
|
36
|
32
|
31
|
32
|
46
|
43
|
28
|
33
|
26
|
26
|
15
|
15
|
10
|
11
|
29
|
36
|
38
|
51
|
42
|
31
|
40
|
54
|
55
|
38
|
|
2025/09
|
30
|
28
|
26
|
24
|
36
|
31
|
36
|
35
|
16
|
19
|
23
|
18
|
21
|
27
|
28
|
29
|
25
|
26
|
26
|
24
|
30
|
26
|
19
|
20
|
20
|
15
|
25
|
31
|
32
|
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