AQSQID: 021700012

Site Name: Palmer

Location: Palmer, AK

Reporting: True, Located: True

Current AQI: 12.0

Palmer AK, US: 61.5989, -149.106216

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 26, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 26, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 26, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
May 26, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
May 26, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
May 26, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 26, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
May 26, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
May 26, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
May 26, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 26, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 26, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
May 26, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 1.0
 
May 26, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 4.0
 
May 26, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
May 26, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
May 26, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 25, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 25, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 3.0 μg/m3 (12) 31.0
 
May 25, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
May 25, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
May 25, 2019, 7 p.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 (0) 25.0
 
May 25, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -3.0 μg/m3 (0) 6.0
 
May 25, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
May 25, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 25, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
May 25, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 25, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 25, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
May 25, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
May 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
May 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
May 25, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 14.0
 
May 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.0 μg/m3 (4) 14.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 0.0 μg/m3 (0) 14.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 0.0 μg/m3 (0) 16.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 6.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 4.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 3.0 μg/m3 (12) 20.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.0 μg/m3 (60) 6.0 μg/m3 (25) 60.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 6.0 μg/m3 (25) 47.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 8.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (58) 5.0 μg/m3 (21) 58.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 5.0 μg/m3 (21) 52.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (53) 8.0 μg/m3 (33) 53.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (67) 10.0 μg/m3 (42) 67.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 162.0 μg/m3 (104) 12.0 μg/m3 (50) 104.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 463.0 μg/m3 (348) 34.0 μg/m3 (97) 348.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (57) 2.0 μg/m3 (8) 57.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 8.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 8.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) -2.0 μg/m3 (0) 10.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.0 μg/m3 (4) 10.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 22, 2019, midnight 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 (8) 14.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 11.0
 
May 21, 2019, 10 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 (8) 14.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 2.0 μg/m3 (8) 10.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -3.0 μg/m3 (0) 5.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 1.0 μg/m3 (4) 7.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (76) 5.0 μg/m3 (21) 76.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 4.0 μg/m3 (17) 50.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 4.0 μg/m3 (17) 46.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 1.0 μg/m3 (4) 17.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) -1.0 μg/m3 (0) 17.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 0.0 μg/m3 (0) 24.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) -1.0 μg/m3 (0) 16.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) -2.0 μg/m3 (0) 15.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 1.0 μg/m3 (4) 20.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 2.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 4.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 1.0 μg/m3 (4) 20.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -1.0 μg/m3 (0) 13.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) -2.0 μg/m3 (0) 12.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 6.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0