Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
1 Sep
Wed
2 Sep
Thu
3 Sep
Fri
4 Sep
Sat
5 Sep
Sun
6 Sep
Mon
7 Sep
Real-time AQI (Monitoring Station in Zhangye)
监测站
4917
PM2.5
44
PM10
156
O3
0.3
CO
4
SO2
6
NO2
科委
6817
PM2.5
44
PM10
174
O3
0.2
CO
8
SO2
6
NO2
Air quality in the last 12 months (Zhangye)
|
2026/07
|
52
|
45
|
53
|
54
|
63
|
45
|
43
|
46
|
49
|
33
|
39
|
40
|
40
|
37
|
40
|
42
|
93
|
38
|
50
|
62
|
41
|
46
|
48
|
58
|
63
|
66
|
63
|
67
|
39
|
30
|
75
|
|
2026/06
|
41
|
52
|
166
|
55
|
102
|
230
|
63
|
51
|
57
|
45
|
46
|
49
|
48
|
49
|
54
|
261
|
95
|
37
|
36
|
36
|
45
|
48
|
46
|
152
|
38
|
40
|
46
|
42
|
47
|
45
|
|
|
2026/05
|
44
|
50
|
44
|
41
|
46
|
77
|
57
|
55
|
100
|
96
|
68
|
66
|
229
|
74
|
58
|
88
|
87
|
62
|
59
|
97
|
95
|
85
|
80
|
62
|
62
|
40
|
43
|
55
|
52
|
51
|
50
|
|
2026/04
|
71
|
196
|
122
|
74
|
52
|
56
|
77
|
86
|
76
|
68
|
75
|
69
|
40
|
44
|
62
|
43
|
40
|
127
|
55
|
70
|
114
|
101
|
117
|
66
|
56
|
60
|
57
|
47
|
54
|
58
|
|
|
2026/03
|
120
|
108
|
112
|
160
|
86
|
74
|
91
|
64
|
62
|
64
|
205
|
433
|
197
|
108
|
98
|
116
|
58
|
253
|
197
|
206
|
123
|
169
|
111
|
87
|
99
|
96
|
41
|
41
|
56
|
88
|
69
|
|
2026/02
|
100
|
84
|
89
|
68
|
134
|
270
|
122
|
91
|
164
|
117
|
103
|
85
|
86
|
70
|
90
|
88
|
121
|
61
|
43
|
89
|
419
|
168
|
91
|
100
|
116
|
88
|
154
|
104
|
|||
|
2026/01
|
64
|
74
|
63
|
50
|
67
|
54
|
66
|
48
|
72
|
60
|
46
|
46
|
171
|
299
|
90
|
90
|
67
|
43
|
50
|
62
|
67
|
69
|
62
|
335
|
422
|
162
|
119
|
116
|
187
|
247
|
134
|
|
2025/12
|
58
|
60
|
52
|
58
|
60
|
62
|
62
|
64
|
91
|
196
|
101
|
75
|
47
|
49
|
73
|
57
|
62
|
65
|
63
|
37
|
41
|
78
|
71
|
51
|
61
|
53
|
41
|
66
|
60
|
69
|
68
|
|
2025/11
|
78
|
71
|
71
|
68
|
81
|
221
|
111
|
224
|
88
|
84
|
86
|
81
|
83
|
86
|
86
|
42
|
41
|
65
|
85
|
83
|
81
|
78
|
178
|
58
|
56
|
218
|
61
|
77
|
81
|
114
|
|
|
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
|
|
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
*: primary pollution