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
27 Apr
Tue
28 Apr
Wed
29 Apr
Thu
30 Apr
Fri
1 May
Sat
2 May
Sun
3 May
Real-time AQI (Monitoring Station in Zhangye)
监测站
5836
PM2.5
60 *
PM10
44
O3
0.4
CO
7
SO2
15
NO2
科委
5118
PM2.5
51 *
PM10
45
O3
0.4
CO
6
SO2
14
NO2
Air quality in the last 12 months (Zhangye)
|
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
|
|
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
|
|
|
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