ID: 2744

AQSQID: 040210001

Site Name: Casa Grande Downtown

Added: April 21, 2020, 6:24 p.m.

Updated: April 10, 2021, 6:44 p.m.

Location: Casa Grande (Gila Bend Hwy), AZ

Reporting: True, Located: True

Current AQI: 26.0

Casa Grande (Gila Bend Hwy) AZ, US: 32.877583, -111.852219

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 9.0 μg/m3 (38) 40.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 17.0 μg/m3 (62) 62.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 14.0 μg/m3 (55) 55.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 8.0 μg/m3 (34) 34.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 10.0 μg/m3 (42) 46.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (58) 20.0 μg/m3 (68) 68.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 14.0 μg/m3 (55) 55.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 10.0 μg/m3 (42) 42.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 15.0 μg/m3 (58) 58.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 8.0 μg/m3 (34) 48.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (60) 12.0 μg/m3 (50) 60.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 12.0 μg/m3 (50) 55.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 8.0 μg/m3 (34) 39.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 14.0 μg/m3 (55) 55.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 8.0 μg/m3 (34) 34.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 8.0 μg/m3 (34) 34.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 13.0 μg/m3 (53) 53.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 6.0 μg/m3 (25) 45.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 13.0 μg/m3 (53) 53.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 32.0 μg/m3 (93) 93.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 4.0 μg/m3 (17) 31.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 6.0 μg/m3 (25) 39.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) 8.0 μg/m3 (34) 39.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 3.0 μg/m3 (13) 45.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 5.0 μg/m3 (21) 40.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 7.0 μg/m3 (30) 34.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 7.0 μg/m3 (30) 30.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 14.0 μg/m3 (55) 55.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 15.0 μg/m3 (58) 58.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 22.0 μg/m3 (72) 72.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 8.0 μg/m3 (34) 47.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 2.0 μg/m3 (9) 25.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 8.0 μg/m3 (34) 50.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (51) 11.0 μg/m3 (46) 51.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 9.0 μg/m3 (38) 43.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (59) 17.0 μg/m3 (62) 62.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 15.0 μg/m3 (58) 58.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 10.0 μg/m3 (42) 45.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 7.0 μg/m3 (30) 30.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 6.0 μg/m3 (25) 36.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 7.0 μg/m3 (30) 37.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 4.0 μg/m3 (17) 34.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 8.0 μg/m3 (34) 41.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (61) 12.0 μg/m3 (50) 61.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (61) 11.0 μg/m3 (46) 61.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 8.0 μg/m3 (34) 44.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 5.0 μg/m3 (21) 50.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 2.0 μg/m3 (9) 23.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 3.0 μg/m3 (13) 24.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 4.0 μg/m3 (17) 23.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 13.0 μg/m3 (53) 53.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 7.0 μg/m3 (30) 43.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 1.0 μg/m3 (5) 31.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 7.0 μg/m3 (30) 30.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 8.0 μg/m3 (34) 40.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 11.0 μg/m3 (46) 56.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 16.0 μg/m3 (60) 60.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (59) 17.0 μg/m3 (62) 62.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 13.0 μg/m3 (53) 53.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 9.0 μg/m3 (38) 48.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 14.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 21.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) 7.0 μg/m3 (30) 41.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 16.0 μg/m3 (60) 60.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 14.0 μg/m3 (55) 55.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (55) 18.0 μg/m3 (64) 64.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (62) 27.0 μg/m3 (83) 83.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (58) 21.0 μg/m3 (70) 70.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 5.0 μg/m3 (21) 30.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 7.0 μg/m3 (30) 36.0