Air Quality
Excellent
No health implications.
19
PM2.5
31
PM10
62
O3
0.5
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
54
Good
Sun
1 Jun
58
Good
Mon
2 Jun
60
Good
Tue
3 Jun
83
Good
Wed
4 Jun
93
Good
Thu
5 Jun
50
Excellent
Fri
6 Jun
19
Excellent
Air quality in the last 12 months (Guanghan)
|
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
|
|
|
2024/08
|
34
|
34
|
22
|
16
|
20
|
32
|
18
|
24
|
29
|
37
|
49
|
58
|
60
|
60
|
33
|
38
|
32
|
35
|
33
|
50
|
53
|
54
|
51
|
41
|
51
|
41
|
39
|
43
|
29
|
30
|
36
|
|
2024/07
|
17
|
34
|
14
|
16
|
31
|
41
|
24
|
10
|
8
|
14
|
27
|
30
|
16
|
9
|
10
|
20
|
15
|
12
|
15
|
16
|
16
|
20
|
25
|
24
|
54
|
58
|
52
|
26
|
23
|
26
|
28
|
|
2024/06
|
48
|
24
|
32
|
19
|
28
|
31
|
37
|
33
|
36
|
50
|
28
|
34
|
50
|
53
|
55
|
35
|
21
|
34
|
31
|
25
|
29
|
25
|
53
|
56
|
25
|
24
|
21
|
30
|
43
|
44
|
|
|
2024/05
|
40
|
24
|
16
|
35
|
46
|
63
|
74
|
55
|
49
|
68
|
69
|
59
|
54
|
58
|
56
|
57
|
65
|
65
|
39
|
29
|
27
|
43
|
55
|
49
|
43
|
36
|
38
|
25
|
14
|
35
|
54
|
|
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