Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
40
PM2.5
109
*
PM10
71
O3
0.4
CO
6
SO2
15
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 Nov
85
Good
Thu
13 Nov
91
Good
Fri
14 Nov
85
Good
Sat
15 Nov
86
Good
Sun
16 Nov
85
Good
Mon
17 Nov
93
Good
Tue
18 Nov
34
Excellent
Real-time AQI (Monitoring Station in Zhangye)
科委
8040
PM2.5
109 *
PM10
71
O3
0.4
CO
6
SO2
15
NO2
Air quality in the last 12 months (Zhangye)
|
2025/10
|
62
|
52
|
86
|
55
|
41
|
50
|
37
|
38
|
32
|
34
|
31
|
29
|
40
|
59
|
61
|
52
|
52
|
81
|
103
|
70
|
78
|
95
|
84
|
81
|
74
|
67
|
73
|
66
|
89
|
75
|
72
|
|
2025/09
|
85
|
135
|
115
|
93
|
60
|
65
|
65
|
59
|
62
|
70
|
69
|
60
|
171
|
78
|
316
|
56
|
63
|
45
|
56
|
56
|
79
|
401
|
60
|
54
|
59
|
60
|
66
|
64
|
50
|
61
|
|
|
2025/08
|
34
|
33
|
46
|
36
|
26
|
30
|
24
|
24
|
30
|
51
|
55
|
59
|
46
|
34
|
38
|
39
|
44
|
31
|
90
|
102
|
24
|
32
|
39
|
28
|
55
|
38
|
26
|
26
|
30
|
38
|
47
|
|
2025/07
|
33
|
36
|
41
|
21
|
24
|
22
|
42
|
23
|
27
|
27
|
46
|
59
|
141
|
69
|
38
|
42
|
49
|
61
|
32
|
21
|
27
|
45
|
56
|
29
|
27
|
30
|
30
|
35
|
49
|
187
|
41
|
|
2025/06
|
45
|
39
|
41
|
42
|
62
|
61
|
47
|
38
|
33
|
30
|
40
|
42
|
49
|
47
|
30
|
25
|
38
|
36
|
23
|
52
|
28
|
22
|
27
|
22
|
54
|
37
|
26
|
116
|
48
|
31
|
|
|
2025/05
|
77
|
94
|
100
|
303
|
246
|
163
|
114
|
180
|
40
|
33
|
32
|
50
|
52
|
45
|
49
|
111
|
129
|
67
|
47
|
98
|
72
|
53
|
30
|
42
|
34
|
34
|
39
|
207
|
117
|
46
|
48
|
|
2025/04
|
330
|
167
|
235
|
100
|
169
|
222
|
160
|
109
|
94
|
77
|
225
|
208
|
41
|
56
|
121
|
101
|
171
|
59
|
77
|
57
|
79
|
64
|
41
|
42
|
53
|
51
|
66
|
96
|
157
|
87
|
|
|
2025/03
|
74
|
53
|
72
|
68
|
53
|
281
|
219
|
112
|
439
|
193
|
285
|
109
|
72
|
52
|
40
|
54
|
70
|
78
|
90
|
96
|
94
|
98
|
134
|
189
|
386
|
159
|
52
|
64
|
64
|
65
|
253
|
|
2025/02
|
54
|
51
|
40
|
38
|
40
|
37
|
44
|
55
|
59
|
52
|
111
|
71
|
45
|
58
|
92
|
77
|
78
|
87
|
87
|
78
|
75
|
78
|
67
|
87
|
81
|
63
|
75
|
85
|
|||
|
2025/01
|
78
|
67
|
81
|
77
|
44
|
59
|
70
|
65
|
67
|
55
|
106
|
61
|
75
|
55
|
41
|
48
|
78
|
53
|
53
|
43
|
87
|
84
|
87
|
70
|
76
|
81
|
64
|
68
|
67
|
54
|
42
|
|
2024/12
|
46
|
58
|
61
|
67
|
55
|
48
|
57
|
63
|
74
|
69
|
73
|
72
|
56
|
54
|
49
|
55
|
62
|
64
|
68
|
74
|
66
|
102
|
89
|
62
|
62
|
48
|
46
|
77
|
129
|
69
|
102
|
|
2024/11
|
79
|
70
|
74
|
72
|
62
|
59
|
68
|
83
|
89
|
100
|
72
|
76
|
68
|
143
|
173
|
59
|
69
|
77
|
64
|
62
|
68
|
77
|
99
|
63
|
34
|
52
|
46
|
46
|
45
|
50
|
|
|
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