Air Quality
Excellent
No health implications.
26
PM2.5
39
PM10
48
O3
0.6
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jul
62
Good
Sat
26 Jul
56
Good
Sun
27 Jul
61
Good
Mon
28 Jul
63
Good
Tue
29 Jul
70
Good
Wed
30 Jul
81
Good
Thu
31 Jul
40
Excellent
Air quality in the last 12 months (Huairen)
|
2025/06
|
39
|
24
|
26
|
31
|
42
|
40
|
36
|
39
|
42
|
39
|
60
|
64
|
30
|
31
|
13
|
19
|
43
|
48
|
31
|
31
|
38
|
42
|
47
|
53
|
54
|
55
|
45
|
37
|
43
|
44
|
|
|
2025/05
|
44
|
39
|
27
|
48
|
74
|
42
|
70
|
74
|
25
|
55
|
42
|
57
|
75
|
21
|
50
|
124
|
50
|
57
|
63
|
78
|
53
|
63
|
59
|
54
|
48
|
49
|
47
|
56
|
58
|
63
|
23
|
|
2025/04
|
51
|
35
|
96
|
121
|
36
|
68
|
66
|
53
|
55
|
48
|
198
|
37
|
31
|
21
|
51
|
139
|
210
|
32
|
52
|
73
|
58
|
54
|
60
|
30
|
54
|
71
|
26
|
44
|
59
|
58
|
|
|
2025/03
|
107
|
59
|
41
|
52
|
50
|
48
|
65
|
75
|
78
|
93
|
177
|
101
|
92
|
71
|
34
|
30
|
36
|
31
|
46
|
42
|
52
|
63
|
209
|
150
|
118
|
125
|
98
|
44
|
22
|
38
|
50
|
|
2025/02
|
82
|
39
|
27
|
39
|
42
|
84
|
22
|
48
|
70
|
71
|
78
|
56
|
52
|
64
|
82
|
38
|
58
|
53
|
43
|
42
|
51
|
35
|
37
|
64
|
58
|
84
|
90
|
83
|
|||
|
2025/01
|
76
|
47
|
47
|
57
|
86
|
33
|
35
|
22
|
47
|
67
|
64
|
48
|
76
|
38
|
40
|
70
|
85
|
65
|
78
|
65
|
71
|
84
|
117
|
119
|
114
|
122
|
24
|
60
|
208
|
114
|
99
|
|
2024/12
|
55
|
34
|
52
|
49
|
37
|
41
|
27
|
56
|
82
|
68
|
62
|
75
|
62
|
50
|
56
|
61
|
51
|
44
|
80
|
53
|
41
|
81
|
88
|
90
|
57
|
45
|
43
|
62
|
93
|
114
|
69
|
|
2024/11
|
77
|
71
|
44
|
38
|
59
|
63
|
91
|
112
|
137
|
60
|
76
|
77
|
77
|
59
|
62
|
69
|
54
|
69
|
64
|
55
|
57
|
60
|
80
|
94
|
27
|
29
|
30
|
29
|
44
|
56
|
|
|
2024/10
|
25
|
39
|
56
|
61
|
69
|
56
|
41
|
64
|
54
|
48
|
65
|
72
|
72
|
61
|
45
|
76
|
84
|
24
|
25
|
38
|
53
|
33
|
62
|
70
|
72
|
55
|
41
|
77
|
61
|
74
|
72
|
|
2024/09
|
22
|
22
|
36
|
27
|
17
|
34
|
25
|
40
|
43
|
23
|
32
|
34
|
42
|
23
|
34
|
38
|
42
|
50
|
52
|
19
|
18
|
43
|
68
|
68
|
35
|
66
|
70
|
59
|
39
|
20
|
|
|
2024/08
|
47
|
48
|
34
|
32
|
38
|
46
|
38
|
38
|
28
|
72
|
13
|
20
|
28
|
42
|
41
|
46
|
40
|
41
|
27
|
37
|
33
|
44
|
56
|
59
|
34
|
13
|
35
|
49
|
57
|
57
|
54
|
|
2024/07
|
43
|
31
|
41
|
37
|
48
|
48
|
53
|
44
|
43
|
56
|
63
|
35
|
37
|
39
|
46
|
30
|
33
|
47
|
51
|
43
|
52
|
70
|
68
|
52
|
23
|
41
|
49
|
46
|
48
|
23
|
32
|
|
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