Air Quality
Excellent
No health implications.
21
PM2.5
37
PM10
85
O3
0.3
CO
2
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
98
Good
Tue
17 Feb
184
Moderate
Wed
18 Feb
81
Good
Thu
19 Feb
82
Good
Fri
20 Feb
78
Good
Sat
21 Feb
64
Good
Sun
22 Feb
24
Excellent
Air quality in the last 12 months (Guanghan)
|
2026/01
|
52
|
49
|
17
|
40
|
59
|
63
|
83
|
89
|
108
|
132
|
186
|
197
|
180
|
149
|
103
|
134
|
147
|
160
|
47
|
41
|
49
|
64
|
66
|
88
|
88
|
121
|
117
|
120
|
94
|
58
|
86
|
|
2025/12
|
151
|
137
|
59
|
51
|
75
|
86
|
93
|
119
|
133
|
104
|
132
|
101
|
64
|
73
|
84
|
123
|
143
|
148
|
172
|
121
|
50
|
53
|
60
|
70
|
71
|
74
|
107
|
126
|
110
|
137
|
97
|
|
2025/11
|
34
|
38
|
39
|
33
|
43
|
34
|
28
|
49
|
52
|
25
|
46
|
62
|
59
|
67
|
53
|
52
|
45
|
44
|
55
|
77
|
94
|
129
|
109
|
108
|
82
|
102
|
114
|
123
|
148
|
166
|
|
|
2025/10
|
26
|
22
|
21
|
20
|
25
|
16
|
24
|
36
|
40
|
36
|
16
|
19
|
25
|
38
|
42
|
45
|
31
|
31
|
22
|
10
|
12
|
16
|
12
|
13
|
21
|
34
|
34
|
48
|
45
|
58
|
54
|
|
2025/09
|
39
|
36
|
41
|
51
|
37
|
42
|
59
|
51
|
42
|
43
|
19
|
16
|
26
|
32
|
46
|
24
|
23
|
10
|
21
|
32
|
15
|
13
|
18
|
35
|
44
|
52
|
31
|
12
|
23
|
35
|
|
|
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
|
|||
|
1
|
2
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3
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4
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5
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6
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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