Air Quality
Excellent
No health implications.
17
PM2.5
21
PM10
99
O3
0.5
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
92
Good
Wed
22 Jul
78
Good
Thu
23 Jul
52
Good
Fri
24 Jul
50
Excellent
Sat
25 Jul
56
Good
Sun
26 Jul
57
Good
Mon
27 Jul
41
Excellent
Air quality in the last 12 months (Queshan)
|
2026/06
|
65
|
63
|
56
|
68
|
68
|
62
|
32
|
28
|
33
|
43
|
45
|
42
|
35
|
42
|
51
|
37
|
46
|
41
|
29
|
31
|
41
|
30
|
34
|
31
|
39
|
51
|
50
|
54
|
56
|
47
|
|
|
2026/05
|
46
|
36
|
34
|
35
|
42
|
48
|
65
|
49
|
49
|
45
|
50
|
61
|
63
|
47
|
54
|
47
|
37
|
25
|
26
|
24
|
33
|
37
|
50
|
42
|
23
|
25
|
33
|
58
|
53
|
46
|
46
|
|
2026/04
|
55
|
56
|
38
|
87
|
79
|
79
|
66
|
51
|
34
|
64
|
73
|
62
|
48
|
47
|
48
|
62
|
64
|
65
|
99
|
88
|
45
|
36
|
45
|
30
|
51
|
53
|
56
|
59
|
45
|
45
|
|
|
2026/03
|
42
|
58
|
62
|
98
|
82
|
90
|
80
|
92
|
116
|
91
|
117
|
178
|
91
|
121
|
50
|
113
|
85
|
79
|
76
|
80
|
74
|
76
|
101
|
98
|
77
|
67
|
58
|
62
|
77
|
63
|
84
|
|
2026/02
|
83
|
91
|
106
|
95
|
124
|
94
|
74
|
81
|
65
|
81
|
94
|
86
|
81
|
75
|
95
|
57
|
117
|
69
|
67
|
50
|
49
|
191
|
223
|
59
|
40
|
38
|
84
|
63
|
|||
|
2026/01
|
64
|
100
|
98
|
92
|
155
|
58
|
40
|
61
|
57
|
86
|
59
|
73
|
105
|
112
|
77
|
112
|
120
|
59
|
69
|
55
|
57
|
97
|
99
|
129
|
185
|
174
|
158
|
95
|
109
|
101
|
99
|
|
2025/12
|
139
|
107
|
68
|
70
|
118
|
90
|
88
|
124
|
132
|
142
|
204
|
62
|
70
|
76
|
61
|
111
|
212
|
206
|
150
|
200
|
135
|
58
|
76
|
94
|
92
|
74
|
90
|
91
|
127
|
199
|
119
|
|
2025/11
|
57
|
86
|
108
|
91
|
82
|
100
|
30
|
47
|
73
|
94
|
75
|
63
|
93
|
118
|
97
|
106
|
38
|
27
|
30
|
43
|
68
|
59
|
67
|
112
|
108
|
78
|
208
|
83
|
69
|
79
|
|
|
2025/10
|
32
|
12
|
34
|
36
|
41
|
27
|
34
|
61
|
35
|
12
|
19
|
29
|
29
|
44
|
28
|
45
|
14
|
36
|
48
|
45
|
56
|
64
|
64
|
86
|
104
|
67
|
81
|
67
|
82
|
82
|
116
|
|
2025/09
|
33
|
39
|
45
|
40
|
36
|
47
|
41
|
29
|
30
|
30
|
23
|
17
|
35
|
26
|
27
|
36
|
27
|
20
|
11
|
31
|
41
|
20
|
13
|
30
|
40
|
19
|
21
|
33
|
24
|
22
|
|
|
2025/08
|
36
|
26
|
30
|
37
|
46
|
37
|
28
|
29
|
23
|
36
|
20
|
18
|
24
|
27
|
32
|
26
|
30
|
34
|
35
|
25
|
22
|
25
|
29
|
39
|
38
|
26
|
35
|
39
|
33
|
38
|
31
|
|
2025/07
|
24
|
19
|
21
|
22
|
32
|
32
|
40
|
50
|
27
|
42
|
60
|
41
|
31
|
28
|
34
|
47
|
46
|
43
|
40
|
41
|
38
|
28
|
12
|
22
|
27
|
34
|
33
|
26
|
31
|
39
|
43
|
|
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