AQSQID: 380130004

Site Name: Lostwood Nwr

Location: Kenmare (N Dakota Hwy 8), ND

Reporting: True, Located: True

Current AQI: 31.0

Kenmare (N Dakota Hwy 8) ND, US: 48.641899, -102.402199

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 30, 2020, 2 a.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 3.0 ppb (4) 38.0 ppb (29) N/A 9.0 μg/m3 (8) 7.5 μg/m3 (31) 31.0
 
March 30, 2020, 1 a.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 8.0 μg/m3 (7) 1.2 μg/m3 (5) 30.0
 
March 30, 2020, midnight 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 6.0 μg/m3 (5) 2.6 μg/m3 (11) 34.0
 
March 29, 2020, 11 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) N/A 7.0 μg/m3 (6) 2.9 μg/m3 (12) 36.0
 
March 29, 2020, 10 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 35.0
 
March 29, 2020, 9 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 7.0 μg/m3 (6) 2.8 μg/m3 (12) 35.0
 
March 29, 2020, 8 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 6.0 μg/m3 (5) 5.2 μg/m3 (22) 35.0
 
March 29, 2020, 7 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 9.0 μg/m3 (8) 6.5 μg/m3 (27) 32.0
 
March 29, 2020, 6 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 11.0 μg/m3 (10) 8.2 μg/m3 (34) 34.0
 
March 29, 2020, 5 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 8.0 μg/m3 (7) 8.5 μg/m3 (35) 35.0
 
March 29, 2020, 4 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 10.0 μg/m3 (9) 7.4 μg/m3 (31) 31.0
 
March 29, 2020, 3 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 9.0 μg/m3 (8) 7.5 μg/m3 (31) 31.0
 
March 29, 2020, 2 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 9.0 μg/m3 (8) 7.1 μg/m3 (30) 30.0
 
March 29, 2020, 1 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 9.0 μg/m3 (8) 5.5 μg/m3 (23) 23.0
 
March 29, 2020, noon 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 8.0 μg/m3 (7) 7.6 μg/m3 (32) 32.0
 
March 29, 2020, 11 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 2.9 μg/m3 (12) 22.0
 
March 29, 2020, 10 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 8.0 μg/m3 (7) 2.4 μg/m3 (10) 24.0
 
March 29, 2020, 9 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 24.0
 
March 29, 2020, 8 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
March 29, 2020, 7 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 6.0 μg/m3 (5) 3.5 μg/m3 (15) 22.0
 
March 29, 2020, 6 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 1.5 μg/m3 (6) 25.0
 
March 29, 2020, 5 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 25.0
 
March 29, 2020, 4 a.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 25.0
 
March 29, 2020, 3 a.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 7.0 μg/m3 (6) 2.4 μg/m3 (10) 26.0
 
March 29, 2020, 2 a.m. 1.5 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 7.0 μg/m3 (6) 2.4 μg/m3 (10) 25.0
 
March 29, 2020, 1 a.m. 1.4 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 27.0
 
March 29, 2020, midnight 1.1 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 5.0 μg/m3 (5) -0.2 μg/m3 (0) 29.0
 
March 28, 2020, 11 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 34.0
 
March 28, 2020, 10 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 5.0 μg/m3 (5) 3.9 μg/m3 (16) 35.0
 
March 28, 2020, 9 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) N/A 6.0 μg/m3 (5) 0.1 μg/m3 (0) 36.0
 
March 28, 2020, 8 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 36.0
 
March 28, 2020, 7 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) N/A 5.0 μg/m3 (5) 3.7 μg/m3 (15) 36.0
 
March 28, 2020, 6 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 6.0 μg/m3 (5) 5.2 μg/m3 (22) 35.0
 
March 28, 2020, 5 p.m. 3.1 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 8.0 μg/m3 (7) 2.7 μg/m3 (11) 32.0
 
March 28, 2020, 4 p.m. 3.6 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 8.0 μg/m3 (7) 4.2 μg/m3 (18) 28.0
 
March 28, 2020, 3 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 7.0 μg/m3 (6) 4.1 μg/m3 (17) 26.0
 
March 28, 2020, 2 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 25.0
 
March 28, 2020, 1 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 1.5 μg/m3 (6) 25.0
 
March 28, 2020, noon 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 1.4 μg/m3 (6) 25.0
 
March 28, 2020, 11 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 25.0
 
March 28, 2020, 10 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 2.1 μg/m3 (9) 25.0
 
March 28, 2020, 9 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 2.9 μg/m3 (12) 25.0
 
March 28, 2020, 8 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 6.0 μg/m3 (5) 3.6 μg/m3 (15) 27.0
 
March 28, 2020, 7 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 6.0 μg/m3 (5) 3.1 μg/m3 (13) 28.0
 
March 28, 2020, 6 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 6.0 μg/m3 (5) 1.9 μg/m3 (8) 29.0
 
March 28, 2020, 5 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 5.0 μg/m3 (5) -2.3 μg/m3 (0) 29.0
 
March 28, 2020, 4 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 8.0 μg/m3 (7) -1.7 μg/m3 (0) 28.0
 
March 28, 2020, 3 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 11.0 μg/m3 (10) 1.5 μg/m3 (6) 28.0
 
March 28, 2020, 2 a.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 11.0 μg/m3 (10) 1.5 μg/m3 (6) 28.0
 
March 28, 2020, 1 a.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 15.0 μg/m3 (14) -0.5 μg/m3 (0) 30.0
 
March 28, 2020, midnight 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 7.0 μg/m3 (6) 0.8 μg/m3 (3) 35.0
 
March 27, 2020, 11 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 49.0 ppb (38) N/A 8.0 μg/m3 (7) 0.5 μg/m3 (2) 38.0
 
March 27, 2020, 10 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 5.0 ppb (7) 49.0 ppb (38) N/A 9.0 μg/m3 (8) -0.3 μg/m3 (0) 38.0
 
March 27, 2020, 9 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 10.0 ppb (14) 46.0 ppb (35) N/A 11.0 μg/m3 (10) 1.3 μg/m3 (5) 35.0
 
March 27, 2020, 8 p.m. 3.8 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 10.0 ppb (14) 46.0 ppb (35) N/A 10.0 μg/m3 (9) 2.6 μg/m3 (11) 35.0
 
March 27, 2020, 7 p.m. 3.6 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 8.0 ppb (11) 46.0 ppb (35) N/A 8.0 μg/m3 (7) 2.4 μg/m3 (10) 35.0
 
March 27, 2020, 6 p.m. 2.7 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 5.0 ppb (7) 46.0 ppb (35) N/A 6.0 μg/m3 (5) 1.3 μg/m3 (5) 35.0
 
March 27, 2020, 5 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 4.0 ppb (6) 47.0 ppb (36) N/A 7.0 μg/m3 (6) 4.2 μg/m3 (18) 36.0
 
March 27, 2020, 4 p.m. 3.2 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 4.0 ppb (6) 46.0 ppb (35) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 35.0
 
March 27, 2020, 3 p.m. 3.5 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 4.0 ppb (6) 33.0 ppb (25) N/A 8.0 μg/m3 (7) -0.3 μg/m3 (0) 25.0
 
March 27, 2020, 2 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 6.0 μg/m3 (5) 1.5 μg/m3 (6) 21.0
 
March 27, 2020, 1 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 5.0 μg/m3 (5) 3.3 μg/m3 (14) 18.0
 
March 27, 2020, noon 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 27, 2020, 11 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 5.0 μg/m3 (5) 3.3 μg/m3 (14) 18.0
 
March 27, 2020, 10 a.m. 4.2 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 18.0
 
March 27, 2020, 9 a.m. 4.2 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 4.0 μg/m3 (4) -0.1 μg/m3 (0) 18.0
 
March 27, 2020, 8 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 4.0 μg/m3 (4) 0.2 μg/m3 (1) 18.0
 
March 27, 2020, 7 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 5.0 μg/m3 (5) 3.8 μg/m3 (16) 18.0
 
March 27, 2020, 6 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 7.0 μg/m3 (6) 6.2 μg/m3 (26) 26.0
 
March 27, 2020, 5 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
March 27, 2020, 4 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 10.0 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
March 27, 2020, 3 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 10.0 μg/m3 (9) 7.4 μg/m3 (31) 31.0
 
March 27, 2020, 2 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 22.0
 
March 27, 2020, 1 a.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 10.0 μg/m3 (9) 4.3 μg/m3 (18) 27.0
 
March 27, 2020, midnight 4.3 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 11.0 μg/m3 (10) 1.6 μg/m3 (7) 32.0
 
March 26, 2020, 11 p.m. 3.3 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 6.0 μg/m3 (5) 0.6 μg/m3 (2) 35.0
 
March 26, 2020, 10 p.m. 3.1 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 35.0
 
March 26, 2020, 9 p.m. 3.0 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 13.0 μg/m3 (12) 2.1 μg/m3 (9) 35.0
 
March 26, 2020, 8 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 9.0 μg/m3 (8) 3.1 μg/m3 (13) 34.0
 
March 26, 2020, 7 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 5.0 μg/m3 (5) 3.9 μg/m3 (16) 33.0
 
March 26, 2020, 6 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 32.0
 
March 26, 2020, 5 p.m. 2.3 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 4.0 μg/m3 (4) 4.3 μg/m3 (18) 30.0
 
March 26, 2020, 4 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 4.0 μg/m3 (4) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 3 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 5.0 μg/m3 (5) 7.4 μg/m3 (31) 31.0
 
March 26, 2020, 2 p.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 27.0 ppb (21) N/A 5.0 μg/m3 (5) 6.8 μg/m3 (28) 28.0
 
March 26, 2020, 1 p.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 8.0 μg/m3 (7) 7.6 μg/m3 (32) 32.0
 
March 26, 2020, noon 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 7.0 μg/m3 (6) 8.8 μg/m3 (37) 37.0
 
March 26, 2020, 11 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 10 a.m. 4.6 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 8.0 μg/m3 (7) 7.1 μg/m3 (30) 30.0
 
March 26, 2020, 9 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) N/A 9.0 μg/m3 (8) 11.7 μg/m3 (49) 49.0
 
March 26, 2020, 8 a.m. 5.3 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 9.0 μg/m3 (8) 14.8 μg/m3 (56) 56.0
 
March 26, 2020, 7 a.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 12.0 μg/m3 (11) 18.5 μg/m3 (64) 64.0
 
March 26, 2020, 6 a.m. 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 3.0 ppb (4) 26.0 ppb (20) N/A 20.0 μg/m3 (18) 14.3 μg/m3 (55) 55.0
 
March 26, 2020, 5 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 28.0 ppb (22) N/A 15.0 μg/m3 (14) 4.6 μg/m3 (19) 22.0
 
March 26, 2020, 4 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A 6.0 μg/m3 (5) 4.2 μg/m3 (18) 23.0
 
March 26, 2020, 3 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 3.3 μg/m3 (14) 25.0
 
March 26, 2020, 2 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 6.0 μg/m3 (5) 4.7 μg/m3 (20) 26.0
 
March 26, 2020, 1 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 8.0 μg/m3 (7) 3.3 μg/m3 (14) 28.0
 
March 26, 2020, midnight 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 30.0
 
March 25, 2020, 11 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 1.4 μg/m3 (6) 32.0
 
March 25, 2020, 10 p.m. 2.2 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 32.0
 
March 25, 2020, 9 p.m. 1.5 ppb (1) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 3.0 μg/m3 (3) 3.7 μg/m3 (15) 32.0
 
March 25, 2020, 8 p.m. 1.6 ppb (1) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 4.0 μg/m3 (4) 3.4 μg/m3 (14) 32.0
 
March 25, 2020, 7 p.m. 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (7) 32.0
 
March 25, 2020, 6 p.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 3.0 μg/m3 (3) 0.3 μg/m3 (1) 31.0
 
March 25, 2020, 5 p.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A 7.0 μg/m3 (6) 1.9 μg/m3 (8) 30.0
 
March 25, 2020, 4 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 4.0 μg/m3 (4) 2.9 μg/m3 (12) 28.0
 
March 25, 2020, 3 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 2.0 μg/m3 (2) 0.1 μg/m3 (0) 28.0
 
March 25, 2020, 2 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 33.0 ppb (25) N/A 3.0 μg/m3 (3) N/A 25.0
 
March 25, 2020, 1 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 4.0 μg/m3 (4) -4.3 μg/m3 (0) 22.0
 
March 25, 2020, noon 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A 2.0 μg/m3 (2) 0.1 μg/m3 (0) 21.0
 
March 25, 2020, 11 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 25.0
 
March 25, 2020, 10 a.m. 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 36.0 ppb (28) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 28.0
 
March 25, 2020, 9 a.m. 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 3.0 μg/m3 (3) 2.5 μg/m3 (10) 28.0
 
March 25, 2020, 8 a.m. 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 3.0 μg/m3 (3) 3.8 μg/m3 (16) 28.0
 
March 25, 2020, 7 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 3.0 μg/m3 (3) 4.7 μg/m3 (20) 28.0
 
March 25, 2020, 6 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 28.0
 
March 25, 2020, 5 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 3.0 μg/m3 (3) -0.5 μg/m3 (0) 28.0
 
March 25, 2020, 4 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 28.0
 
March 25, 2020, 3 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 27.0
 
March 25, 2020, 2 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 5.0 μg/m3 (5) 0.3 μg/m3 (1) 25.0
 
March 25, 2020, 1 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 4.0 μg/m3 (4) 2.2 μg/m3 (9) 25.0
 
March 25, 2020, midnight 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 26.0
 
March 24, 2020, 11 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A 6.0 μg/m3 (5) 8.2 μg/m3 (34) 34.0
 
March 24, 2020, 10 p.m. 2.7 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 9.0 μg/m3 (8) 7.6 μg/m3 (32) 32.0
 
March 24, 2020, 9 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A 12.0 μg/m3 (11) 3.8 μg/m3 (16) 33.0
 
March 24, 2020, 8 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 11.0 μg/m3 (10) 1.6 μg/m3 (7) 34.0
 
March 24, 2020, 7 p.m. 2.3 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 10.0 μg/m3 (9) 2.2 μg/m3 (9) 32.0
 
March 24, 2020, 6 p.m. 2.8 ppb (3) 1.4 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A 9.0 μg/m3 (8) 2.7 μg/m3 (11) 35.0
 
March 24, 2020, 5 p.m. 2.6 ppb (2) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 7.0 μg/m3 (6) 4.3 μg/m3 (18) 32.0
 
March 24, 2020, 4 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A 6.0 μg/m3 (5) 5.8 μg/m3 (24) 32.0
 
March 24, 2020, 3 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 28.0
 
March 24, 2020, 2 p.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 6.0 μg/m3 (5) 5.3 μg/m3 (22) 22.0
 
March 24, 2020, 1 p.m. 4.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 6.0 μg/m3 (5) 4.6 μg/m3 (19) 19.0
 
March 24, 2020, noon 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) N/A 6.0 μg/m3 (5) -0.6 μg/m3 (0) 15.0
 
March 24, 2020, 11 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) N/A 5.0 μg/m3 (5) 1.7 μg/m3 (7) 15.0
 
March 24, 2020, 10 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 4.0 μg/m3 (4) 4.1 μg/m3 (17) 17.0
 
March 24, 2020, 9 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 18.0
 
March 24, 2020, 8 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A 5.0 μg/m3 (5) 2.8 μg/m3 (12) 19.0
 
March 24, 2020, 7 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 25.0 ppb (19) N/A 6.0 μg/m3 (5) 4.3 μg/m3 (18) 19.0
 
March 24, 2020, 6 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 26.0 ppb (20) N/A 6.0 μg/m3 (5) 5.8 μg/m3 (24) 24.0
 
March 24, 2020, 5 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A 6.0 μg/m3 (5) 5.2 μg/m3 (22) 22.0
 
March 24, 2020, 4 a.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 24.0
 
March 24, 2020, 3 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 6.0 μg/m3 (5) 5.1 μg/m3 (21) 25.0
 
March 24, 2020, 2 a.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 33.0 ppb (25) N/A 7.0 μg/m3 (6) 5.3 μg/m3 (22) 25.0
 
March 24, 2020, 1 a.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A 6.0 μg/m3 (5) 1.9 μg/m3 (8) 24.0
 
March 24, 2020, midnight 3.2 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 7.0 μg/m3 (6) -0.4 μg/m3 (0) 27.0
 
March 23, 2020, 11 p.m. 3.6 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 8.0 μg/m3 (7) -0.4 μg/m3 (0) 32.0
 
March 23, 2020, 10 p.m. 4.0 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 9.0 μg/m3 (8) 1.1 μg/m3 (5) 34.0
 
March 23, 2020, 9 p.m. 3.8 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 35.0
 
March 23, 2020, 8 p.m. 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 34.0
 
March 23, 2020, 7 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) N/A 7.0 μg/m3 (6) 4.3 μg/m3 (18) 35.0
 
March 23, 2020, 6 p.m. 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) N/A 8.0 μg/m3 (7) 6.2 μg/m3 (26) 32.0
 
March 23, 2020, 5 p.m. 5.3 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) N/A 8.0 μg/m3 (7) 10.3 μg/m3 (43) 43.0
 
March 23, 2020, 4 p.m. 5.3 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 38.0 ppb (29) N/A 9.0 μg/m3 (8) 13.6 μg/m3 (53) 53.0
 
March 23, 2020, 3 p.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 34.0 ppb (26) N/A 9.0 μg/m3 (8) 16.7 μg/m3 (60) 60.0
 
March 23, 2020, 2 p.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 34.0 ppb (26) N/A 9.0 μg/m3 (8) 20.8 μg/m3 (69) 69.0
 
March 23, 2020, 1 p.m. 6.2 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 34.0 ppb (26) N/A 11.0 μg/m3 (10) 18.5 μg/m3 (64) 64.0
 
March 23, 2020, noon 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 36.0 ppb (28) N/A 12.0 μg/m3 (11) 26.0 μg/m3 (80) 80.0
 
March 23, 2020, 11 a.m. 5.1 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 38.0 ppb (29) N/A 15.0 μg/m3 (14) 14.0 μg/m3 (54) 54.0
 
March 23, 2020, 10 a.m. 4.7 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 27.0
 
March 23, 2020, 9 a.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 8.0 μg/m3 (7) 2.8 μg/m3 (12) 25.0
 
March 23, 2020, 8 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) N/A 6.0 μg/m3 (5) 0.6 μg/m3 (2) 25.0
 
March 23, 2020, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 32.0 ppb (25) N/A 5.0 μg/m3 (5) -2.6 μg/m3 (0) 25.0
 
March 23, 2020, 6 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 3.0 ppb (4) 30.0 ppb (23) N/A 4.0 μg/m3 (4) -2.3 μg/m3 (0) 23.0
 
March 23, 2020, 5 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 3.0 ppb (4) 27.0 ppb (21) N/A 4.0 μg/m3 (4) 1.3 μg/m3 (5) 21.0
 
March 23, 2020, 4 a.m. 6.1 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 3.0 ppb (4) 24.0 ppb (18) N/A 4.0 μg/m3 (4) 1.7 μg/m3 (7) 18.0
 
March 23, 2020, 3 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 4.0 ppb (6) 30.0 ppb (23) N/A 6.0 μg/m3 (5) 2.9 μg/m3 (12) 23.0