Air Quality
Excellent
No health implications.
16
PM2.5
41
PM10
138
O3
0.6
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Sep
60
Good
Tue
9 Sep
69
Good
Wed
10 Sep
67
Good
Thu
11 Sep
54
Good
Fri
12 Sep
53
Good
Sat
13 Sep
57
Good
Sun
14 Sep
28
Excellent
Air quality in the last 12 months (Guanghan)
|
2025/08
|
40
|
41
|
42
|
47
|
44
|
36
|
23
|
33
|
23
|
14
|
21
|
33
|
40
|
47
|
48
|
26
|
27
|
24
|
37
|
35
|
27
|
17
|
20
|
19
|
19
|
29
|
32
|
20
|
12
|
14
|
27
|
|
2025/07
|
13
|
25
|
23
|
27
|
16
|
22
|
20
|
18
|
23
|
25
|
14
|
26
|
37
|
40
|
52
|
55
|
48
|
40
|
23
|
22
|
23
|
26
|
16
|
12
|
17
|
17
|
25
|
35
|
40
|
38
|
38
|
|
2025/06
|
35
|
40
|
50
|
54
|
56
|
69
|
51
|
58
|
44
|
39
|
41
|
59
|
58
|
57
|
42
|
51
|
52
|
16
|
32
|
44
|
35
|
27
|
27
|
18
|
22
|
35
|
43
|
46
|
28
|
14
|
|
|
2025/05
|
55
|
60
|
65
|
61
|
33
|
42
|
40
|
41
|
259
|
100
|
66
|
70
|
50
|
77
|
72
|
83
|
84
|
123
|
81
|
74
|
89
|
68
|
66
|
60
|
51
|
59
|
36
|
29
|
47
|
43
|
28
|
|
2025/04
|
55
|
62
|
66
|
76
|
51
|
51
|
62
|
70
|
76
|
70
|
57
|
162
|
173
|
103
|
96
|
99
|
72
|
75
|
62
|
63
|
65
|
71
|
79
|
39
|
48
|
39
|
41
|
54
|
35
|
42
|
|
|
2025/03
|
86
|
86
|
52
|
31
|
34
|
33
|
37
|
47
|
47
|
68
|
76
|
88
|
59
|
48
|
39
|
42
|
48
|
51
|
67
|
73
|
74
|
81
|
82
|
57
|
72
|
77
|
186
|
88
|
64
|
40
|
39
|
|
2025/02
|
41
|
52
|
49
|
56
|
44
|
32
|
36
|
32
|
48
|
60
|
85
|
75
|
60
|
52
|
46
|
65
|
53
|
62
|
53
|
52
|
42
|
32
|
39
|
27
|
26
|
44
|
70
|
85
|
|||
|
2025/01
|
132
|
131
|
151
|
163
|
92
|
101
|
71
|
49
|
61
|
63
|
53
|
80
|
105
|
76
|
77
|
64
|
87
|
62
|
87
|
101
|
134
|
188
|
219
|
109
|
44
|
75
|
79
|
107
|
237
|
106
|
67
|
|
2024/12
|
105
|
123
|
111
|
68
|
54
|
35
|
29
|
15
|
27
|
44
|
61
|
60
|
48
|
58
|
77
|
96
|
140
|
156
|
118
|
96
|
95
|
62
|
66
|
77
|
81
|
102
|
115
|
102
|
83
|
83
|
83
|
|
2024/11
|
45
|
40
|
42
|
31
|
39
|
43
|
56
|
78
|
46
|
28
|
50
|
30
|
25
|
48
|
52
|
32
|
23
|
8
|
12
|
31
|
42
|
54
|
52
|
34
|
20
|
38
|
46
|
64
|
66
|
71
|
|
|
2024/10
|
22
|
33
|
27
|
23
|
34
|
42
|
33
|
34
|
49
|
44
|
29
|
30
|
34
|
53
|
54
|
52
|
24
|
42
|
18
|
9
|
14
|
34
|
52
|
54
|
50
|
33
|
36
|
53
|
59
|
51
|
43
|
|
2024/09
|
36
|
52
|
34
|
45
|
22
|
37
|
27
|
31
|
34
|
15
|
23
|
27
|
31
|
30
|
15
|
29
|
38
|
50
|
49
|
44
|
18
|
23
|
32
|
56
|
66
|
71
|
72
|
76
|
31
|
12
|
|
|
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