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
17 Mar
Wed
18 Mar
Thu
19 Mar
Fri
20 Mar
Sat
21 Mar
Sun
22 Mar
Mon
23 Mar
Real-time AQI (Monitoring Station in Zhangye)
监测站
5316
PM2.5
54 *
PM10
86
O3
0.4
CO
3
SO2
7
NO2
科委
5517
PM2.5
56 *
PM10
86
O3
0.4
CO
3
SO2
5
NO2
Air quality in the last 12 months (Zhangye)
|
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
|
|
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
|
|
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