AQSQID: 060392010

Site Name: Madera-City

Location: Madera Co, CA

Reporting: True, Located: True

Current AQI: 22.0

Madera Co CA, US: 36.9533, -120.0341

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 22.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 26.0 μg/m3 (24) 4.2 μg/m3 (18) 24.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 18.0 μg/m3 (16) 6.4 μg/m3 (27) 27.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 26.0 μg/m3 (24) 7.3 μg/m3 (30) 30.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 19.0 μg/m3 (17) 10.9 μg/m3 (45) 45.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 4.8 μg/m3 (20) 20.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 1.3 μg/m3 (5) 15.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 5.1 μg/m3 (21) 21.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 1.9 μg/m3 (8) 22.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 17.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 25.0 μg/m3 (23) 10.9 μg/m3 (45) 45.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 28.0 μg/m3 (25) 3.6 μg/m3 (15) 25.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 14.0 μg/m3 (13) 1.3 μg/m3 (5) 29.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 13.0 μg/m3 (12) 3.3 μg/m3 (14) 35.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 10.0 μg/m3 (9) 5.3 μg/m3 (22) 35.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 10.0 μg/m3 (9) 5.9 μg/m3 (25) 35.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 8.0 μg/m3 (7) 3.9 μg/m3 (16) 35.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 34.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) 5.8 μg/m3 (24) 32.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 6.0 μg/m3 (5) -2.0 μg/m3 (0) 31.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 13.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 4.9 μg/m3 (20) 21.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 19.0 μg/m3 (17) 11.6 μg/m3 (48) 48.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 15.0 μg/m3 (14) 6.1 μg/m3 (25) 25.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 13.0 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 5.6 μg/m3 (23) 23.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 6.0 μg/m3 (5) N/A 15.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 1.3 μg/m3 (5) 15.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) -0.9 μg/m3 (0) 14.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 7.0 μg/m3 (6) 0.7 μg/m3 (3) 15.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 8.1 μg/m3 (34) 34.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 18.0 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 8.1 μg/m3 (34) 34.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A -3.0 μg/m3 (0) N/A 26.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 1.0 μg/m3 (1) 1.6 μg/m3 (7) 29.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 3.0 μg/m3 (3) N/A 33.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 6.0 μg/m3 (5) 4.9 μg/m3 (20) 33.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 8.0 μg/m3 (7) 0.3 μg/m3 (1) 31.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 6.0 μg/m3 (5) 21.1 μg/m3 (69) 69.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 7.0 μg/m3 (6) 5.4 μg/m3 (23) 33.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A -3.0 μg/m3 (0) 1.2 μg/m3 (5) 32.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 8.0 μg/m3 (7) N/A 32.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 4.0 μg/m3 (4) -0.2 μg/m3 (0) 30.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 0.6 μg/m3 (2) 27.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 11.0 μg/m3 (10) 3.9 μg/m3 (16) 21.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 16.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 11.0 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 12.5 μg/m3 (51) 51.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 0.0 μg/m3 (0) 22.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 23.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 6.1 μg/m3 (25) 28.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 4.7 μg/m3 (20) 28.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 14.0 μg/m3 (13) N/A 28.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 32.0 μg/m3 (29) 7.3 μg/m3 (30) 32.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 63.0 μg/m3 (54) 3.5 μg/m3 (15) 54.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 33.0 μg/m3 (30) 21.1 μg/m3 (69) 69.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 40.0 μg/m3 (36) 6.4 μg/m3 (27) 36.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 27.0 μg/m3 (25) 15.7 μg/m3 (58) 58.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 40.0 μg/m3 (36) 6.9 μg/m3 (29) 36.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 24.0 μg/m3 (22) 5.8 μg/m3 (24) 41.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 23.0 μg/m3 (21) 2.5 μg/m3 (10) 42.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 66.0 μg/m3 (56) 5.8 μg/m3 (24) 56.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 27.0 μg/m3 (25) 6.4 μg/m3 (27) 38.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 36.0 μg/m3 (33) 12.7 μg/m3 (51) 51.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 44.0 μg/m3 (40) 9.3 μg/m3 (39) 40.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 16.7 μg/m3 (60) 60.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 64.0 μg/m3 (54) 12.4 μg/m3 (51) 54.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 39.0 μg/m3 (35) 13.5 μg/m3 (53) 53.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 16.0 μg/m3 (15) 5.3 μg/m3 (22) 22.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.5 μg/m3 (15) 15.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 9.0 μg/m3 (8) 3.2 μg/m3 (13) 13.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 12.0 μg/m3 (11) 6.1 μg/m3 (25) 25.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 23.0 μg/m3 (21) 4.1 μg/m3 (17) 21.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 27.0 μg/m3 (25) 13.6 μg/m3 (53) 53.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 31.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 35.0 μg/m3 (32) 9.1 μg/m3 (38) 38.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 22.0 μg/m3 (20) 6.2 μg/m3 (26) 38.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 28.0 μg/m3 (25) 9.3 μg/m3 (39) 41.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 22.0 μg/m3 (20) 8.6 μg/m3 (36) 41.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 26.0 μg/m3 (24) 4.2 μg/m3 (18) 41.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 20.0 μg/m3 (18) 8.5 μg/m3 (35) 40.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 25.0 μg/m3 (23) 10.2 μg/m3 (42) 42.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 24.0 μg/m3 (22) 10.4 μg/m3 (43) 43.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 32.0 μg/m3 (29) 15.3 μg/m3 (57) 57.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 38.0 μg/m3 (35) 13.9 μg/m3 (54) 54.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 26.0 μg/m3 (24) 8.4 μg/m3 (35) 35.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 17.0 μg/m3 (15) -0.8 μg/m3 (0) 15.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 10.0 μg/m3 (9) 0.5 μg/m3 (2) 11.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 9.0 μg/m3 (8) 7.2 μg/m3 (30) 30.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 7.2 μg/m3 (30) 30.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 11.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 9.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 10.0 μg/m3 (9) 3.9 μg/m3 (16) 16.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 31.0 μg/m3 (28) 10.3 μg/m3 (43) 43.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 32.0 μg/m3 (29) 19.3 μg/m3 (66) 66.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 31.0 μg/m3 (28) 16.6 μg/m3 (60) 60.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 31.0 μg/m3 (28) 11.3 μg/m3 (47) 47.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 22.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 16.0 μg/m3 (15) 7.3 μg/m3 (30) 36.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 20.0 μg/m3 (18) 10.4 μg/m3 (43) 43.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 15.0 μg/m3 (14) 5.7 μg/m3 (24) 39.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 17.0 μg/m3 (15) 13.6 μg/m3 (53) 53.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 17.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 13.0 μg/m3 (12) 5.3 μg/m3 (22) 35.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 17.0 μg/m3 (15) 5.6 μg/m3 (23) 28.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 5.8 μg/m3 (24) 24.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 3.0 μg/m3 (3) 5.6 μg/m3 (23) 23.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 7.7 μg/m3 (32) 32.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 12.0 μg/m3 (11) 3.8 μg/m3 (16) 16.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
March 17, 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) 0.8 μg/m3 (3) 5.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 12.0 μg/m3 (11) 11.5 μg/m3 (48) 48.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 20.0 μg/m3 (18) 14.0 μg/m3 (54) 54.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 19.0 μg/m3 (17) 15.2 μg/m3 (57) 57.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 27.0 μg/m3 (25) 12.6 μg/m3 (51) 51.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 39.0 μg/m3 (35) 15.6 μg/m3 (58) 58.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 39.0 μg/m3 (35) 13.1 μg/m3 (52) 52.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 31.0 μg/m3 (28) 12.5 μg/m3 (51) 51.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 25.0 μg/m3 (23) 6.4 μg/m3 (27) 30.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 30.0 μg/m3 (27) 16.2 μg/m3 (59) 59.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 22.0 μg/m3 (20) 6.5 μg/m3 (27) 40.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 25.0 μg/m3 (23) 15.0 μg/m3 (56) 56.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 14.0 μg/m3 (13) 4.6 μg/m3 (19) 42.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 23.0 μg/m3 (21) 11.8 μg/m3 (49) 49.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 18.0 μg/m3 (16) 8.8 μg/m3 (37) 38.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 23.0 μg/m3 (21) 13.4 μg/m3 (53) 53.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 17.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 15.0 μg/m3 (14) 6.8 μg/m3 (28) 28.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 4.3 μg/m3 (18) 18.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 12.0 μg/m3 (11) 4.5 μg/m3 (19) 19.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 11.0 μg/m3 (10) 3.4 μg/m3 (14) 14.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 13.4 μg/m3 (53) 53.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 12.6 μg/m3 (51) 51.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 8.0 μg/m3 (7) 5.3 μg/m3 (22) 22.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 48.0 μg/m3 (44) 20.0 μg/m3 (67) 67.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 21.0 μg/m3 (19) 13.2 μg/m3 (53) 53.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 21.0 μg/m3 (19) 10.8 μg/m3 (45) 45.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 17.0 μg/m3 (15) 7.7 μg/m3 (32) 38.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 17.0 μg/m3 (15) -0.8 μg/m3 (0) 38.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 8.0 μg/m3 (7) -1.7 μg/m3 (0) 37.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 0.8 μg/m3 (3) 36.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 19.0 μg/m3 (17) 2.6 μg/m3 (11) 35.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 17.0 μg/m3 (15) 7.5 μg/m3 (31) 32.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 43.0 μg/m3 (39) 7.3 μg/m3 (30) 39.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 35.0 μg/m3 (32) 12.4 μg/m3 (51) 51.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 30.0 μg/m3 (27) 13.8 μg/m3 (54) 54.0